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Simple Span Steel Through Truss Bridge

1. Load Case Superstructure Floorbeam DC Load ID 3 Nodal Loads Node X Force kip Y Force kip Z Force kip X Moment kip ft Y Moment kip ft Z Moment kip ft 1 0 000 0 429 0 000 0 000 0 000 0 000 2 0 000 0 429 0 000 0 000 0 000 0 000 3 0 000 0 429 0 000 0 000 0 000 0 000 0 000 0 429 0 000 0 000 0 000 0 000 5 0 000 0 429 0 000 0 000 0 000 0 000 6 0 000 0 429 0 000 0 000 0 000 0 000 7 000 249 000 000 0090 0099 8 0 000 0 429 0 000 0 000 0 000 0 000 Force at LO L14 ID1 Deck 3 066 kips 102 Stringer kips Floorbeam kips Upward Force 3 92 kips reaction at 1 support for 1 truss line The upward force will be entered into the Panel Point Load Command on the Truss Input Command window as shown on page 53 NVDOT b amie eire VE RSION 6 2 123 APPENDIX C ADDITIONAL SELF LOAD CALCULATION The purpose of this process is to calculate the additional self load due to bolts splices gusset plates and all other truss components that are not specifically modeled within Virtis The user will analyze the bridge once without an additional load The difference between the total dead load end support reaction specified on the plans and the reaction computed in Virtis is the missing load which will then be applied as the additional self load Virtis To calculate the l additional se
2. Rating Results Manage Analysis Events Report Tool Attachments In the Bridge Explorer window select the bridge right click and select Rate WDOT zm VERSIONE SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 The Analysis Settings window will appear gii E Rating Method P Left click the Open Standard Advanced Template button Vehicles Output Engine Description Teis iren Refresh Temporary vehicles Advanced If a template has not Both directions Vehicle Selection Vehicle Summary a ready been created Vehicles Add to Rating Vehicles previous steps on how to Rating B Standard Inventory 5 Alternate Loading Operating create a template In the H 15 44 1 H H 2 Analysis section of this HS 15 44 document HS 20 5l predia HS 20 44 d Type 3 Analysis Type 3 3 m Type 352 Agency Blanket Pemit 115 BP 115 Blanket 90 90 115 Spans or gt 200 ft 30 Cor Spans or gt 2008 115 20 Load Only HS 20 T andem HS 20 Truck Only LRFD Fatigue Truck for Rating Notional Rating Load NRL 504 505 506 SU VA Type 3 VA Type 352 B User Defined Temporary Open Template Templates Description Analysis Owner Public Priv Left click LFD HL 93 Design Review HL 93 Design Revi
3. pre kip kip a in in in 0 00 0 00 000 16 77 0 00 0 00 0 00 1677 0 00 0 0000 0 0000 0 0000 0 0000 30 000 1 40 55 21 14 0 00 15 10 1 88 0 00 0 00 0 0000 0 0000 0 0728 0 0000 2 80 20 0 37 59 0 00 13 43 3 36 0 00 0 00 0 0000 0 0000 0 1390 0 0000 420 300 49 34 0 00 11 75 5 03 0 00 0 00 0 0000 0 0000 0 1925 0 0000 5 60 400 5639 0 00 1007 71 0 00 0 00 0 0000 0 0000 0 2276 0 0000 0 00 8 39 8 39 0 00 0 00 0 0000 0 0000 0 2400 0 0000 8 40 60 0 56 39 0 00 671 10 07 0 00 0 00 0 0000 0 0000 0 2276 0 0000 9 80 70 0 49 34 0 00 5 03 1175 0 00 0 00 0 0000 0 0000 0 1925 0 0000 11 20 800 37 59 0 00 3 36 13 43 0 00 0 00 0 0000 0 0000 0 1391 0 0000 12 60 90 0 21 14 0 00 1 68 15 10 0 00 0 00 0 0000 0 0000 0 0728 0 0000 14 00 100 0 0 00 0 00 0 00 16 77 0 00 0 00 1677 0 00 0 0000 0 0000 0 0000 0 0000 30 000 BRASS GIRDER Version 6 00 03 Apr 14 2010 BRASS Export Version 6 2 0 3001 Note User should use the maximum moment between the axle load and lane load for the HS20 vehicle 145 VIRGINIA DEPARTMENT OF TRANSPORTATION Capacity SIMPLE SPAN STEEL TRUSS STRINGERS LOAD RATING EXAMPLE 1 Analyze the member of interest U2S1 E C and highlight the member alternative FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS TRUSSES FSG Floor System Geometry Eg STRINGER UNIT LAYOUT SUL Stringer Unit 1 Layout SUL Stringer Unit 2 Layou
4. 5 3 2 PCS P 1 2 X 10 X 44 3 4 20 PCS INTERIOR PANEL STRINGERS W12 X 30 13 11 1 2 S PCS END PANEL STRINGERS W12 X 30 14 9 3 4 12 PCS KNEE BRACE ASSEMBLY 1 PC P 1 2 X 7 1 2 X 26 1 PC ri X 14 X 14 PO p 1903 4727 342 14 PCS LATERAL RODS 1 ROUND X 18 7 WITH 2 WASHERS amp 2 NUTS 2 PCS SHELF ANGLE L 4 X 4 X 1 2 13 7 v O ABUTMENT OVER ANGLE L 5 X 3 1 2 X 1 2 13 7 ES PIER 6 OVER ANGLE L 5 X 3 X 1 2 13 7 FLOOR BEAMS WI8X55 16 8 1 2 4 PCS 3 4 X 6 X 8 11 16 MATERIAL SCHEDULE amp GALVANIZED CVN amp GALVANIZED amp GALVANIZED O WITH 5 8 x 6 STUDS 16 PCS BOTTOM CHORD SPLICE PLATE 1 2 97 50 2 PCS TRUSS BEARING ASSEMBLIES FIXED END TRUSS BEARING ASSEMBLIES EXPANSION END TRUSS BEARING ANGLE L6x6x3 4 14 STRINGER BEARING PLATES 1 2 x8 x18 4 PCS LATERAL ROD ANCHOR PLATE 1 2 x8 x10 LATERAL ROD ANCHOR ANGLE L8 x4 xV2 e 8 244 PCS A325 1 GALVANIZED B N W 7 8 X 2 1 4 A325 1 GALVANIZED B W 7 8 9 X 2 1 2 178 PCS 202 PCS A325 1 GALVANIZED B N W 7 8 X 2 3 4 420 PCS A325 TYPE 1 GALVANIZED B N TIR e XX 26 PCS A325 TYPE 1 GALVANIZED B 7 8 9 X 3 1 4 ANCHOR BOLT
5. ft ft NYDOT VERSION 6 2 Roked Shape Left click the New button 44 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Stringer Profile 359 Shape Select W12x30 from the drop down menu Type Rolled Shape Shape Drop Cover Plate Bottom Cover Plate Start Ena Start Distance 0 00 ft ft ft W 12x30 0200 1400 14 00 50 Length 14 00 ft Material Select Grade 50 from the drop down menu Since there are no top or bottom cover plates the other tabs can be ignored Left click OK to accept and close NYDOT VERSION 6 2 A SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 LATERAL SUPPORT TE Bridge Workspace 07323 Jee 07323 Materials Z3 Beam Shapes 88 Appurtenances Impact Dynamic Load Allowance 3 Factors SUPERSTRUCTURE DEFINITIONS S AS BUILT Truss Span 3 Impact Dynamic Load Allowance Load Case Description Framing Plan Detail Structure Typical Section r Superstructure Loads E Connectors Shear Connector Definitions stiffener Definitions Fri Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS amp FLOORBEAM DEFINITIONS Ir amp 24 STRINGER DEFINITIONS B Is de Stringer Definition Loads Supports BI Default Materials Impact Dynamic Load Allowance Splice
6. U1 Upper 7 06 50 U3 Upper 21 08 75 U2 Upper 14 0 7 625 Upper 21 08 75 U4 Upper 28 0 3 375 U5 Upper 35 0 10 00 Upper 42 0 10 00 U Upper 43 0 10 00 U8 Upper 56 0 10 00 US Upper 63 0 10 00 Upper 70 0 3 375 011 Upper 77 08 75 O12 Upper 84 0 7 625 013 Upper 31 0 6 50 ve Ln 50 Note Each input is separated by a space NYDOT VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Truss Truss 1 L12L14 L12L146C1 LOU LOU EP1 TC1 U10201 U2 EPI_TC1 UzU3 Uz U3 ERT TCI USU4U3U4 EPITC1 U4USU405 EPI_TC1 USU6U5U6 ERT TCO UEU ERT TCI UFUSUF UE ERT TCO uang ua ug USUIOUS UO EF1_TC1 010011 uia LUTT TCT 011012 011 2 012013 012013 EPI_TC1 U13L14 U13 L14 EFI TO LeU L2 U2 1 01 L4LI4 LA L4 1 Dri LEUE LE LIB V1 Dri LeU L8 U8 v1 Dr L10010 L10 1 Dri L12012 L12 U12 1 D1 1 Dri L2u3L2U3 1 Dp U3L4U3L4 1 Di 4054 US YD USL6US LB 1 L607 LE UF Dr U7LEU7 Lai 01 Leus LS U3 1 Dri uaria L3 L10 V1 Di L10011 L10 U11 1 U1T1L12 011 L12 1 Dn L12013 L12 U13 v1 Dr DEG o Bottom Chords End Posts and Top Chords Cross Section Name Member Name of User s Choice Panel Panel Point Start Point End LSL10 L8 L10 BCI V erti cals Diagonals iv Note Each input is separated by a space VDOT Virginia Department of Transportation VERSION 6 2 SIMPL
7. nde 10 25 1994 10 00 25 00 18 2 C10 30 1884 10 00 30 00 20 61 10x15 3 1994 10 00 15 30 13 46 C 12 25 1994 12 00 25 00 24 01 12x 30 1334 12 00 30 00 27 00 C 12 20 7 1994 72 00 20 70 2p 5 _ C 15x 40 1994 15 00 40 00 46 52 _ 15x 50 1994 15 00 50 00 15 33 9 1994 15 00 33 90 sal gt 5 Left click OK to Steel Channel x r wales accept and 1230 Channel type close 2 American Standard Description C 12x30 Imported from AISC Tables 1994 O Miscellaneous peaa Dimensions Properties 0 6740 n 1 1250 A 0 5100 120000 3 1700 in ADOT 51 VERSION 6 2 m SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 SELECTING IMPACT DYNAMIC LOAD ALLOWANCES Double click Impact Dynamic Load EN Fl Bridge Workspace 07323 Allowance to open M 07323 S pg Materials 3 Structural Steel T Grade 50 CI Concrete Asphalt Filled Corrugated Steel Deck 3 Reinforcing Steel C Prestress Strand p Timber S tg Beam Shapes 3 Appurtenances Impact Dynamic Load Allowance Q Factors SUPERSTRUCTURE DEFINITIONS 5 BRIDGE ALTERNATIVES amp Bridge Impact Dynamic Load Allowance Standard Impac Factor Left click the OK button to accept and close For structural components Where impact is ta be included per AASHTO 3 8 1 choose the impact factor to be used 50 Standard AASHTO impact L 125 Modified impact times
8. 40 0 BRASS GIRDER Version 6 00 03 Apr 14 2010 BRASS Export Version 6 2 0 3001 Lane Impact Loading Type Report Type iv Requested Detailed Rating Results Summary Display Format Single rating level per row Rating Rating Load Ratin Location Location LFD Invent L 1 647 6 25 1 40 0 SERVICEABILITY STEEL As Requested As Requested LFD Opera 2 751 6 25 1 40 0 SERVICEABILITY STEEL As Requested As Requested LFD Invent 1 522 6 25 1 40 0 SERVICEABILITY STEEL As Requested As Requested LFD Opera 2 542 6 25 1 40 0 SERVICEABILITY STEEL As Requested As Requested LFD Invent 1 179 6 25 1 40 0 SERVICEABILITY STEEL As Requested As Requested LFD Opera 1 89 625 1 40 0 Requested As Requested i Live Load Lane Lane Axle Load Axle Load 113 20 55 40 Axle Load Axle Load Axle Load Axle Load LFD Invent 1 231 6 25 LFD Opera 2 056 625 1 LFD Invent 1 815 LFD Opera 3 032 LFD Invent 65 33 1 633 LFD Opera 109 10 2 728 BRASS GIRDER Version 6 00 03 Apr 14 2010 BRASS Export Version 6 2 0 3001 92 53 49 02 81 86 40 0 SERVICEABILITY STEEL 40 0 SERVICEABILITY STEEL As Requested As Requested 1 40 0 SERVICEABILITY STEEL As Requested 1 40 0 SERVICEABILITY STEEL As Requested 1 40 0 SERVICEABILITY STEEL As Requested 1 40 0 SERVICEABILITY STEEL As Requested As Requested As Requested As Requested As
9. KJE X dX Ya x 6 STUD ANCHORS BRGS 7 ICATION OTN C AA he d AND VDOT ROAD AND BRIDGE SPECIFICATIONS 2002 WELDING ALL WELDING SHALL BE IN ACCORDANCE WITH AASHTO AWS 01 5 BRIDGE WELDING CODE AND THE AASHTO FRACTURE CONTROL WHERE APPLICABLE ALL WELDING ON TRUSS SHALL BE DONE PRIOR TO GALVANIZATION AND FIELD WELDING IS NOT PERMITTED WELDING PROCESS SHALL BE MANUAL SHIELDED METAL ARC WELDING I SMAW USING LOW HYDROGEN ELECTRODES CLASSIFIED E7028 NON DESTRUCTIVE TESTING OF WELDS SHALL BE PERFORMED AS FOLLOWS FILLET WELDS VISUAL 100 MT 10 MIN ALL GALVANIZING THAT HAS BEEN CHIPPED OR DAMAGED DURING HANDLING OR WELDING SHALL BE POWER BRUSHED AND PAINTED BY THE CONTRACTOR WITH TWO COATS OF PAINT MEETING THE REQUIREMENTS OF SECTION 233 03 OF THE SPECIFICATIONS SPRAY CANS SHALL NOT BE USED 13 7 RDWY BOLT TYPE 7 8 A325 1 GALVANIZED BOLT CHART SIZE LOCATION 2244 2 1 2 FLOOR BEAM TO TRUSS KNEE BRACE TO IRUSS h2 CA A KNEE BRACE TO FLOOR BEAM STRINGER TO FLOOR BEAM Oo SHELF ANGLE TO STRINGER TRUSS BRG TO TRUSS GUARDRAIL BRACKET TO TRUSS Cn 15 17 19 111 BOTTOM CHORD SPLICE D U6 amp 010 TOP CHORD SPLICE 160 TN 160 WEN TOTAL REQ D 252 168 192 400 16 TOTAL ORDERED 244 178 20
10. SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Stringer Member Alternative U153 Stinger Definition 51 GJER Live Load m Analysis Locations Live Load Distribution Web Loss Top Flange Loss Bottom Flange Loss Top Cover Plate Loss Bottom Cover Plate Loss Standard Lanes Distribution Factor Loaded Shear Support shear Detecion Action Start Distance Length End Distan VE 4 Compute from Typical Section Moment v New Duplicate Delete os Stringer Member Alternative 1153 Stinger Definition 51 Distribution Tab Name 1 153 i e Unit 1 Stringer 3 Left click the Compute from Typical Section button oog Left click OK to Analysis Locations Live Load Distribution Web Loss Flange Loss Bottom Flange Loss Top Cover Plate Loss Bottom Cover Plate Loss Standard Lanes Distribution Factor Loaded Shear Support Shea Moment Befecien 1 lane 0 523814 1 000000 0 523814 0 333333 0 523814 1 000000 0 523814 0 333333 LRFD Action Start Distance Length End Distance a 9 Compute from Typical Section Moment New Duplicate Delete or aem WDO wine VE RSION 6 2 accept
11. WDOT m 23 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 FRAMING PLAN DETAIL Jod Bridge Workspace 07323 Appurtenances d Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS bri AS BUILT Truss Span a Impact Dynamic Load Allowance ii Load Case Description Framing Plan Detail Structure Typical Section Superstructure Loads Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS Virginia Department of Transportation WDO VERSION 6 2 Double click Framing Plan Detail 24 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Structure Framing Plan Details Lota Number of main member spans Number of main members Number of stingers Doispin agms Main Member Member Spacing Orientation Support Skew BEDEUTET Stinger Spacing Siringer Spacing Main Member Spacing Stringer ft Bay Startof End of Member Spacing Stringer Stringer 1 367 367 Start of End of Member Member 2 367 1 15 61 15 61 3 67 3 67 Apply Cancel Layout Tab Main Member Support Skew Skew 0 00 for both supports Main Member Spacing Member Spacing at Start and End of Member This is the input for the centerline of truss to centerline of truss dimension For this example
12. 109 ton Controls4 SERVICE BP 90 BP 115 BP90 BP90gp BP90 BP115j p 115 115 BP90r 95 ton Controls5 SERVICE 116 ton Controls6 SERVICE Note Due to rounding of the results in the LFD BRASS output the rating tonnages may vary slightly from the Virtis rating tonnages 150 APPENDIX G LFD RATING FORM VDO Virginia Department of Transportation Structure and Bridge LOAD RATING SUMMARY FORM FOR STRUCTURES Rte 00645 Tapps Ford Road Over Rappahannock River Va Str No 6903 Fed ID 07323 County Fauquier District Culpeper Rated By Date 11 01 11 Checked By XYZ Date 11 17 11 VDOT Reviewer Calculation Tools Method Used Virtis 6 2 BRASS LFD Engine Basis for Rating NER Cd TONS MEMBERS LOCATION FT FORCE DESIGNLOAD FACTOR 1 HL 98 INV HL930P MEME ME Qe L i LEGALLOADS TONS 1 PLANE HAMM 0 p 45 57 5 ee Not applicable for single spans less than and equal to 200 feet FOR LFR or ASD Denote if it is a mid range or operating level for posting and provide the safe posting load Notapplicable for LF AS rating methods Denotes does not meet the rating requirements Consulting Firm Inc 152 Page 1 of 2 VDO Virginia Department of Transportation Structure and Bridge LOAD RATING SUMMARY FORM F
13. 20 PCS 7 8 X 3 A325 B N W 10 EACH SIDE 20 PCS 7 8 X 3 A325 B N W TOP CHORD OUTSIDE 10 EACH SIDE GUSSET PLATE 20 PCS 78 x 21 4 525 B NW 10 EACH SIDE 20 PCS 78 x 21 47 525 B N W 10 EACH SIDE N A U6 amp U10 GUSSET PLATE 8 REQD NOTE DRAWINGS RELATIVE DO NOT SCALE 17 W12X50 eG ee x 5 16 dcc Ne x is 5 16 NE VERTICAL GUSSET PLATES U8 GUSSET 4 REQD TOP CHORD INSIDE GUSSET PLATE VIRGINIA DEPARTMENT OF TRANSPORTATION REVIEW OF WORKING DRAWINGS WORKING DRAWINGS HAVE BEEN REVIEWED IN WITH SECTION 105 02 OF THE SPECIFICATIONS Wie DANE LOWING COMMENTS BS REVIEW COMPLETED By O CORRECT AND RESUBMIT C REJECTED SEE REMARKS DATE 2 OL WED BRENT SPRINKEL CULPEPER DIST BRIDGE ENGR 1834 4 SP amp 311 46 14 4 bs I 1 2 PLATE TOP CHORD INSIDE GUSSET PLATE 16 REQ D 98 0 TRUSS BRIDGE 13 7 RDWY RT 645 OVER RAPPAHANNOCK RIVER VDOT PROJ NO 0645 030 6903 SRO1 FAUQUIER COUNTY VIRGINIA DESIGN DATE DRAWING NO RES 30 2005 WARRENTON SHEET ms CHECK DATE FABRI
14. 3 PL 520 RFinvSER A gin HS201 HS20ppinvSER 1253 VA Type 3 Operating CSER A4 DL BP 90 Operating AM DL BP90 5 BP90r 1 BP90ppgpg 2 114 SIMPLE SPAN STEEL TRUSS STRINGERS Live Load Factor for Inventory LOAD RATING EXAMPLE 6B 5 3 Manual for Bridge Evaluation 2011 Live Load Factor for Operating Eq 6B 4 1 1 Manual for Bridge Evaluation 2011 HS 20 Operating Cser HS20 RFoprSER HS201 HS20R FoprSER 2 093 VA 352 Operating A4 DL VAType382 ENER A4opr VAT ype382 BP 115 Operating 115 2 BPli5gpgpg 2 019 Note Due to rounding of the results in the LFD BRASS output the rating factors may vary slightly from the Virtis rating factors 149 VIRGINIA DEPARTMENT OF SIMPLE SPAN STEEL TRUSS LOAD RATING EXAMPLE TRANSPORTATION STRINGERS Load Rating Tonnage Calculations Eq 6B 4 1 2 Manual for Bridge Evaluation 2011 Note Mathcad sheet uses the controlling load factors Strength vs Service to calculate the load rating tonnages HS 20 Inventory HS 20 Operating HS20 Riny HS20ppiny HS20 HS20j Ropr 520 HS20 HS20 Riny 45 ton Controls SERVICE HS20 75 ton Controls2 SERVICE VA Type 3 VA Type 3S2 VAType3j VAType3gp VAType3 VAType3S2 p VAType3S2pp VAType3S2 VAType3r 73 ton Controls3 SERVICE VAType3S2
15. AS BUILT Truss Span a Impact Dynamic Load Allowance Load Case Description R Framing Plan Detail pun Structure Typical Section xe Superstructure Loads amp gg Connectors Shear Connector Definitions S Dg Stiffener Definitions FML Floorbeam Member Locations amp Z3 STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS amp fgg TRUSSES FSG Floor System Geometry amp gg STRINGER UNIT LAYOUT c Cg FLOORBEAM MEMBERS I Floorbeamo I Floorbeami I Floorbeam2 I Floorbeam3 I Floorbeam4 I Floorbeam5 I Floorbeame 8 I Floorbeam7 BRIDGE ALTERNATIVES Double click Floorbeamo E PG GE ae aax Floorbeam Member Mame L nelude in analysis p Description Description Floorbeam Member Existing Current Alternative Nam Description Apply Cancel WY DOT 51 VERSION 6 2 Expand the FLOORBEAM MEMBERS folder Floorbeam members are automatically created by Virtis based on previous input Include in Analysis Check Box Leave the box unchecked since Floorbeam0 is fictitious as the stringers rest directly on the abutment Left click OK to accept and close Repeat this process for Floorbeam7 71 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 5 Bridge Workspace 07323 Double click Floorbeam1 pe Appurtenances a Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS S
16. AS BUILT Truss Span a Impact Dynamic Load Allowance Ht Load Case Description amp Framing Plan Detail Structure Typical Section Superstructure Loads 8 Connectors Shear Connector Definitions stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS TRUSSES FSG Floor System Geometry S STRINGER UNIT LAYOUT g FLOORBEAM MEMBERS Floorbeamo I Floorbeami Floorbeam2 Floorbeam3 Floorbeam4 I Floorbeam5 Floorbeam6 Floorbeam7 BRIDGE ALTERNATIVES D E OD 6 68 Name Description Description Alternative Name 088700 VDOT 17m VERSION 6 2 Include in Analysis Check Box Check this box Left click OK to accept and close Repeat this process for Floorbeam2 through Floorbeam6 72 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 FLOORBEAM MEMBER ALTERNATIVES 15 Bridge Workspace 07323 The user can apply deterioration to the floorbeams M 07323 X Materials Beam Shapes gg Appurtenances a Impact Dynamic Load Allowance H gg Factors gg SUPERSTRUCTURE DEFINITIONS krr AS BUILT Truss Span a Impact Dynamic Load Allowance 7 Load Case Description R Framing Plan Detail un Structure Typical Section Superstructure Loads amp fg Connectors Shear Connector Definitions Dg Stiffener Definitions FML
17. Double click the I Shapes folder to create a new beam definition The Steel I Shape window will open VERSION 6 2 11 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Steel Shape Name Rolled shape type 2 W Shape OM Shape Description O S Shape Shape Dimensions Properties LE Select W Shape as the Rolled Shape Copy fom Libra J Apply Steel Shape Selection Shape Designation W 12x 50 Library Year Depth in w 12x 26 1984 1222 Ww 125 30 1334 12 34 Ww 12s 35 1334 12 50 Ww 12x 40 1334 11 34 wi dzy 45 1994 12 06 Auto Refresh On Unit System Standard Os Agency Defined GUS Load 62 26 00 33 38 30 00 385 35 00 45 6 40 00 51 92 45 00 58 02 12x 50 1994 1213 50 00 64 62 12 53 1994 12 06 53 00 70 48 Ww 12x 58 1994 12 19 58 00 7 9 Ww 125 65 1954 1212 65 00 12 72 1994 12 25 72 00 V 41 xj Sex fin 34 gt Type Left click the Copy from Library window Select W12x50 which will be used for truss members and left click OK to accept and close Steel I Shape Mame w 12x53 Deserption 12 02 Imported rom AISL ables 1334 Properties Baot Holed shape type Sw Shape O Shape CS Shape HP Shape per 1 3750 06400 lin A T 2 in 0 2700
18. 3 0 2 slabs 4 0 8 0 3 0 Fd 4 TRANSVERSE SECTION ler or Abutment Seat 3 Spans a thru f Scale Yo 1 0 NEAR BEARINC NEAR MIDSPAN TRANSVERSE SECTION Span g IE CULPEPER DISTRICT Scale 1 2 12 0 No Description DESIGNED PJU DRAWN PJU For Table of Revisions CHECKED see Sheet 2 STATE 5 3 _ 645 0645 030 6903 SROI FEDERAL AID FHWA Construction and scour code 032 58 PPMS NO None GENERAL NOTE Width 13 7 face to face of rails Span Layout 6 30 ft prestressed concrete slab spans and 1 100 ft prefabricated steel truss span Capacity HS20 44 loading and alternate military loading Drainage Area 47 62 sq mi Specifications Construction Virginia Department of Transportation Road and Bridge Specifications 2002 Design AASHTO Standard Specifications for Highway Bridges 1989 1990 and 1991 Interim Specifications and VDOT Modifications Standards Virginia Department of Transportation Road and Bridge Standards 2001 These plans are incomplete unless accompanied by the Supplemental Specifications and Special Provisions included in the contract documents This project is to be constructed in accordance with the Virginia Department of Transportation Work Area Protection Manual January 2003 All structural steel including bearings shall be ASTM A709 Grade 50 and shall be galva
19. Blanket Permit 90 BP 90 HS 15 44 VA Type 3 HS 20 51 Rennie 352 HS 20 44 from Operating Type 3 ARES HS 20 44 Type 3 3 Blanket Permit 115 BP 115 Type 352 Blanket Permit 90 90 8 Agency M Type 3 c Blanket Permit 115 BP 115 VA Type 352 Blanket Permit 90 BP 30 BP 115 Cont Spans or gt 200 ft BP 90 Cont Spans or gt 200ft HS 20 Lane Load Only 5 20 HS 20 Truck Only LRFD Fatigue Truck for Rating Notional Rating Load NAL 504 505 506 SU V Type 3 yea lt Reset Dea Open Template Save Template Apply Right click Truss 1 and select Analyze Beam Shapes Appurtenances a Impact Dynamic Load Allowance 8 Factors SUPERSTRUCTURE DEFINITIONS AS BUILT Truss Span m Impact Dynamic Load Allowance Load Case Description amp Framing Plan Detail Structure Typical Section Superstructure Loads amp 0 Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY amp MEMBER DEFINITIONS amp TRUSSES M Materials I Truss Open Fc Foor System I D amp gg BRIDGE ALTERNATIVES Schematic Close Bridge Workspace WDOT mensions Ej Analysis Event Truss 1 FEA Creating node
20. Comins Simple CUIRE support or a simple offset support See diagrams to the left Stringer px UNE Length Left click OK to accept and close L FB FB FB Simple Continuous Cantilever NVDOT VERSION 6 2 32 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 MEMBER DEFINITIONS FLOORBEAM DEFINITIONS fa Bridge Workspace 07323 Expand the MEMBER DEFINITIONS and double 2 07323 click FLOORBEAM DEFINITIONS to create a B Materials new definition 1 Beam Shapes amp Appurtenances a Impact Dynamic Load Allowance Factors S SUPERSTRUCTURE DEFINITIONS Arf AS BUILT Truss Span Impact Dynamic Load Allowance tt Load Case Description 459 Framing Plan Detail ur Structure Typical Section Superstructure Loads amp Connectors Shear Connector Definitions H Dg Stiffener Definitions FML Floorbeam Member Locations C3 STRINGER GROUP DEFINITION GEOMETRY 14 00 Panel amp gg TRUSSES E FSG Floor System Geometry BRIDGE ALTERNATIVES New Floorbeam Definition Select the material Steel is the only available option ee Eds br Select Rolled from the Girder Type drop down menu Built up Detailed Steel Truss Left click OK to accept and close ADOT 51 VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 4 Floorbeam Definition _ Description Tab Nane FB1 CDe
21. Display Format Single rating level per row BRASS GIRDER Version 6 00 03 Apr 14 2010 BRASS Export Version 6 2 0 3001 7 00 7 00 7 00 7 00 7 00 7 00 8 40 8 40 8 40 8 40 8 40 8 40 1 50 0 SERVICEABILITY STEEL As Requested 1 50 0 SERVICEABILITY STEEL As Requested 1 50 0 SERVICEABILITY STEEL As Requested 1 50 0 SERVICEABILITY STEEL As Requested 1 50 0 SERVICEABILITY STEEL As Requested 1 50 0 SERVICEABILITY STEEL As Requested 1 60 0 SERVICEABILITY STEEL As Requested 1 60 0 SERVICEABILITY STEEL As Requested 1 60 0 SERVICEABILITY STEEL As Requested 1 60 0 SERVICEABILITY STEEL As Requested 1 60 0 SERVICEABILITY STEEL As Requested 1 60 0 SERVICEABILITY STEEL As Requested As Requested As Requested As Requested As Requested As Requested As Requested As Requested As Requested As Requested As Requested As Requested As Requested Close 84 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 ANALYZE FILE FROM BRIDGE EXPLORER To analyze the entire file at once first Save and then Close the bridge File Edit View Bridge Tools Window Help Aca i EL m ved g a BR 0 Materials Beam Shapes Appurtenances a Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS AS BUILT Truss Span 8 LOA14 ALA E LOA14 Slabs gg LOA15 g LOA15 ALA
22. Structure Rating Results System of Units Lane Impact Loading Type Display Format US Customary SI Metric Requested Detailed Single rating level per row v Rating Rating e red 07323 pe DE 1 605 LFD AR Wednesday August 31 2011 13 virtis As Requested As Requested v B AS BULLT Truss Spa VA Type 3S Operating 2681 LFD 107 24 Wednesday August 31 2011 13 virtis As Requested As Requested View Member Rating Results Show up to date results only Left click the View Member Rating Results button WDO VE RSION 6 2 95 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 The Member Rating Results window will appear Select Multiple Rating Levels per Row from the Display Format drop down menu Double click the Operating Rating Factor column to sort the rating factors from smallest to greatest r Member Rating Results System of Units Lane Impact Loading Type Display Format US Customary SI Metric Requested Detailed Mutiple rating levels per row i Inventory Operating Legal Permit Inventory Operating Legal Permit Inventory Operating Legal Permit Inventory A i Bridge Id Structure Vehicle Rating Factor Rating Factor Rating Rating Capacity Capacity Capacity Capacity Location Location Location Location Rating i Factor Factor ft ft ft ft Method D AS BUILT Tr
23. FEA Creating elements FEA Creating constraints FEA Adding load cases Verifying finite element model Performing linear solution Successful finite element analysis Computing Rating Factors Writing Rating Reports Writing dead load analysis report Writing truss member section property report Writing truss rating results report Whiting truss panel point maximum forces report Writing truss panel point concurrent forces report I Info Analysis completed w Allow the bridge to run Once the analysis is completed the user can read any warnings or errors by scrolling up on the Analysis Progress window Left click OK to view results System of Units US Customay SI Metric Lane Impact Loading Type Display Format As Requested Detailed Mutiple rating levels per row Inventor perating Legal Pen efhod ssim Capacity Capa Ton Ton HS 20 44 J LF LFD Ik E 7533 Cee el j 969 6778 11320 Blanket Permit 90 BP 90 m 056 1 35541 9253 VA Type 3 605 4334 7238 VA Type 352 1 605 681 6421 10724 Show up to date results only View Structure Rating Results The Bridge Rating Results window will appear To view a more compact set of results select Single rating level per row DOT RSIO N 6 2 88 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 System of Units US Customary SI
24. 1 REQ D GALVANIZED 1 ERA PIER 6 OVER ANGLE hie a Mot Crowned 1 REQ D ate Pr 3 8 3 8 8 13 44 Ver 1 3 4 14 3 4 nn FH Pu N 15 16 HOLES SHELF ANGLE LAX4X1 2 2 REQD GALVANIZED 1 5 4 ER 197169 X 1747 11 5 SLOTTED HOLES 1 2 PLATE BEARING PLATE DETAIL FIXED END 4 PLATES WITH 1 1 8 HOLES TOP PLATES 4 PLATES WITH 1 1 8 2 HOLES BOTTOM PLATES EXPANSION END 4 PLATES WITH 1 1 8 X 3 SLOTTED HOLES PLATES 4 PLATES WITH 1 1 8 HOLES BOTTON PLATES 13 111 2 W12X30 15 16 X 1 jee EAN SLOTTED HOLES 11 5 INTERIOR PANEL STRINGERS 20 REQD GALVANIZED CVN NOTE DRAWINGS RELATIVE DO NOT SCALE 15 16 X 1 1 4 SLOTTED HOLES i 1 3 4 SLOTTED HOLES 3 4 X 5 X 17 1 1 16 X 2 SLOTTED HOLES SOLE PLATE SLIDER PLATE CON SLIDE PAD MASONRY PLATE WH TRUSS BEARING PLATES FIXED BEARINGS SOLE PLATE 2 PCS R 1 X 17 X 24 WITH 1 5 8 9 HOLES CON SLIDE PADS 2 PCS 1 1 2 X 15 X 14 1 MASONRY PLATE 2 PCS 1 X 17 X 24 WITH 1 5 8 6 HOLES EXPANSION BEARINGS SOLE PLATE 2 PCS 3 4 X 17 X 24 WITH 1 5 879 X 4 1 2 SLOTTED HOLES SLIDING PLATE 2 PCS 3 8 X 16 1 2 X 16 WITH 20 GA STAINLESS STEEL PLATE BONDED TO THE BOTTOM CON SLIDE PADS 2 PCS 1 1 2 X 15 X 14
25. 3 4 X 16 ANCHOR BOLT 1 1 2 x 22 5 GA 3 X 9 GALVANIZED BRIDGE FLOOR 13 7 16 PCS SPLASH GUARD R 1 4 X 12 X 4 0 ABUTMENT ANGLE L 5 X 5 X 1 2 15 9 1 PC BAR 1271715 9 TRIANGULAR CUT GALVANIZED GALVANIZED GALVANIZED GALVANIZED GALVANIZED GALVANIZED GALVANIZED GALVANIZED GALVANIZED GALVANIZED GALVANIZED GALVANIZED GALVANIZED GALVANIZED GALVANIZED GALVANIZED 18 PCS END DAM PLATE 3 16 x5 x12 Q GALVANIZED 5 8 6 X 2 GUARDRAIL MOUNTING BOLT GALVANIZED 240 PCS 5 8 9 X 1 1 4 GUARDRAIL SPLICE BOLT GALVANIZED 40 PCS 5 8 X 9 4 GUARDRAIL WOOD POST BOLT GALVANIZED 18 PCS GALVANIZED THRIEBEAM GUARDRAIL 12 6 Gage 2 PCS GALVANIZED TRANSITION SECTION 6 3 W6X9 GUARDRAIL POST amp 7 0 1 PC 6 x8 x215 8 WOOD BLOCKOUT Fo POS SPECIAL WASHER 6 x1 4 x3 W 11 46 x 1 SLOTTED HOLE 28 PCS GR BRACKET 1 PC C12X20 7 4 1 PC Ye x4 x21 16 PCS BOTTOM CHORD SPLICE PLATE l 2 x9 x38 GALVANIZED GALVANIZED GALVANIZED 16 PCS TOP CHORD INSIDE GUSSET PLATE P 1 2 x3 FABRICATOR 98 0 TRUSS BRIDGE RT 645 OVER RAPPAHANNOCK RIVER ES VDOT PROJ NO 0645 030 6903 5 01 FAUQUIER COUNTY VIRGINIA DATE AUG 30 2005 GA
26. August 31 2011 13 28 vitis Requested Requested _ 3 Blanket Permit 90 8 90 Inventory 1231 LFD 5541 Wednesday August 31 2011 13 26 vitis Requested AsRequested v is IE Blanket Permt 90 BP 90 Operating 2056 LFD 9253 Wednesday August 31 2011 13 26 virtis As Requested As Requested E 3 Inventory 1605 LFD 43 34 Wednesday August 31 2011 13 26 virtis As Requested As Requested v LI VA Type 3 Operating 2 681 72 38 Wednesday August 31 2011 13 26 virtis Jas Requested As Requested M Li VA Type 382 mventory 1 605 0 0 6421 Wednesday August 31 2011 13 28 viris As Requested As Reauested v 3 352 _ Operating _ 2 681 LFD 107 24 Wednesday August 31 2011 13 26 virtis Requested As Requested 4 sh Show up to date results only Show most recent results only View Structure Rating Results L Then left click the View Structure Rating Results window The Structure Rating Results window will appear Highlight the two rows Structure Rating Results System of Units Lane Impact Loading Type Display Format US Customary SI Metric Requested Detailed Single rating level per row iv Rating Rating Capacity 07323 AS BULT Truss Spa Blanket Per Inventory 1 231 LFD 55 41 Wednesday August 31 2011 13 virtis As Requested
27. Dekte Apply Cancel WDO VE RSION 6 2 39 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 FLOORBEAM PROFILE hyf AS BUILT Truss Span a Impact Dynamic Load Allowance it Load Case Description amp Framing Plan Detail Structure Typical Section ze Superstructure Loads Connectors Shear Connector Definitions 8 Stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY 14 00 Panel G MEMBER DEFINITIONS FLOORBEAM DEFINITIONS I FB1 Floorbeam Definition Loads FIS Floorbeam Intermediate Supports DI Default Materials a Impact Dynamic Load Allowance Lateral Support E Stiffener Ranges Points of Interest Type gt Shape Top Cover Plate Bottom Cover Plate VD Virginia Department of Transportation Double click Floorbeam Profile OF Cancel VERSION 6 2 Shape tab Left click the New button 40 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Floorbeam Profile Hag Type Rolled Shape Grepe Jion Cover Plate Bottom Cover Flate Shape Distance Start en ft ft End Distance Material W18x55 0 00 15 61 15 81 Gradeso Duplicate J Delete Cancel Left click to acce
28. Material Type Command ae WDOT VERSIONE SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Truss Mame Truss 1 Link with Truss Left Truss Unit Force kips Member Cross Length Ft Properties in section Command Channels used for DefaultSysllnitType US bottom chord DaefaultStruct Steel Grade 50 DefaultE ndConnection Welded MaterialType Steal Grade 50 MemberCrossS ection ChannelBox BCT Channels EC 12830 Inward 12 20 Rolled EP1_TC1 Beam 12250 Rolled v1 D1 Beam vw 12x26 Rolled shape used for the end posts and top chord Rolled shape used for the verticals and diagonals Note Beam designation needs to match exactly the names specified the Beam Shapes WW DOT EN SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Truss Jag Mame Truss 1 Link with Noe DefaultE ndConnection Welded The panel paint command MaterialTope i allows the user to layout the Steel Grade 50 truss panel points on an x y MemberCrossSection coordinate system ChannelBox BCT Channels 12830 Inward 12 20 Rolled EP1_TC1 Beam vw 12250 Rolled v1 D1 Beam vw 12826 L um LU Panel Point Panel Point Location X Y OWE A L Lower 28 000 Name Upper Mid or Lower Coordinate Coordinate LB Lower 42 0 0 0 L8 Lower 55 0 0 0 L10 Lower 70 0 0 0 L12 Lower 83 0 D 14 Lower 98 0 D O
29. STEEL SERVICEABILITY STEEL As Requested As Requested Blanket Permit 115 8 115 Load LFD a 116 08 1 209 2 019 1700 1 50 0 7 00 1 50 0 SERVICEABILITY STEEL SERVICEABILITY STEEL As Requested As Requested Blanket Permit 90 BP 90 Axie Load LFD 55 82 93 22 1 240 2072 840 1 60 0 8 40 1 60 0 SERVICEABILITY STEEL SERVICEABILITY STEEL As Requested As Requested LFD 43 34 72 38 1 605 2 681 840 1 60 0 8 40 1 60 0 SERVICEABILITY STEEL SERVICEABILITY STEEL As Requested As Requested LFD 64 21 107 24 1 605 2 681 8 40 1 60 0 8 40 1 60 0 SERVICEABILITY STEEL SERVICEABILITY STEEL As Requested As Requested BRASS GIRDER Version 6 00 03 Apr 14 2010 BRASS Export Version 6 2 0 3001 Virginia Department VE RSION 6 2 83 of Transportation SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 STRINGER U2S1 RATING RESULTS Report Type Lane Impact Loading Type FD Invent a Opera LFD Invent LFD Opera Blanket Permit 115 BP 115 Axle Load LFD Invent Blanket Permit 115 BP 115 LFD Opera Blanket Permit 90 BP 90 Axle Load LFD Invent Blanket Permit 90 BP 90 Axle Load LFD Opera E LFD Invent LFD Opera LFD Invent LFD Opera NVDOT Hiss Rating Results Summary iv As Requested Detailed 75 33 2 093 64 22 1 784 107 24 2 979 69 51 1 209 116 08 2 019 55 82 1 240 93 22 2 072 43 34 1 605 72 38 2 681 64 21 1 605 107 24 2 681 VERSION 6 2
30. each vehicle User should use the largest value between One Lane and Multi Lane E DL LL Force Capacity Multi Member gt Force Comp Tens Comp Tens Lane Lane Eleme t sme kip I IF LLDF LLDF USU6 Upper Chord 127 44 159 45 122 596 47 2 76 127 44 159 45 122 596 47 2 76 127 44 159 45 596 47 3 38 127 44 159 45 596 47 3 38 139 VIRGINIA DEPARTMENT OF TRANSPORTATION Load Factors Dead Load Factor Rating Factor Calculations HS 20 Inventory Member Ay DL HS20gpgny a RFinv ipy 820 IM DF HS20ppiny 1 812 VA Type 3 Operating Member Ay DL VAType3gp VAType3gp 4 101 BP 90 Operating CMember Ay DL BPOORF 7 BP90 IM DF 2opr Lp BP90pp 2 795 SIMPLE SPAN STEEL TRUSS Live Load Factor for Inventory VAType3 IM DF LOAD RATING EXAMPLE 6B 4 3 Manual for Bridge Evaluation 2011 Live Load Factor for Operating Eq 6B 4 1 1 Manual for Bridge Evaluation 2011 HS 20 Operating CMember ApDE TIB2 RFopr S20 IM DF 07 2opr EL TF HS20g op 3 025 VA Type 352 Operating Member E Ay DL VAType3S2gp m VAType3S2 IM DF VAType3S2pp 3 492 BP 115 Operating CMember Ay DL BPLISRE IM DF 2opr LL 15 2 793 Note Due rounding
31. since the Start oe en Nose eae at superstructure A the distances at the definition reference start since the bri j j Left edge of deck to first main member 1020 arte ee line is at the centerline of roadway Left edge of deck to first stringer 1 29 ft Distance from the left edge of deck to superstructure definition reference line 6 791666 ft 13 583333 ft 2 Distance from the right edge of deck to superstructure definition reference line 6 791666 ft 13 583333 ft 2 Left edge of deck to first main member 1 015625 ft This value is negative since the through truss was selected 15 6145833 ft 13 583333 ft 2 Left edge of deck to first stringer 1 291666 ft 13 583333 ft 3 spa 3 666667 ft 2 Note For this example six decimal places are used for the input User can you up to a maximum of 6 but does not have to use that many However a consistent amount of decimal places should be used for all input QW DOT VERSION 6 2 n SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 a Structure Typical Section og Deck Con d Tab Distance from left edge of deck to Distance from right edge of deck to Superstructure definition ref line superstructure definition ref fine definition ref line sved definition ref line i BT uperstructure Definition i Reference Line deck to a H 1 E C I Ap stringer Left edge of deck to first
32. 0800 qa in VDOT Virginia Department of Transportation VERSION 6 2 Left click OK to accept and close 12 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Double click the Shapes folder to create a new Bridge Workspace 07323 ER beam definition 07323 11 Materials 1 Beam Shapes T w 18x55 w 12 50 Angles E Channels Tees Timber Beam Shapes Steel Shape The Steel I Shape window will open Name Rolled shape type actin Ows Select W Shape as the Rolled Shape Type Dimensions Properties in Left click the Copy from Library window in in copy rom Gron 4 Steet Shape Selection Select W12x26 which will be used E RET for truss members and left click OK Sh D ti Ww 12 26 JDrary rut system Standard Ost to accept and close Agency Defined us Shape Year Depth Load lb ft Sxe fin 3 wi2x 14 1994 11 91 14 00 1488 _ w 12x 16 1994 11 93 16 00 172185 Ww 12s 18 1884 12 16 19 00 21 38 W ix 22 1994 12 31 2200 25 3 dd 0 122 a Ww 12x 30 1884 1234 30 00 28 5 w 12x35 1994 12 50 35 00 45 61 w 123 40 1994 11 94 40 00 51 8 W 12x 45 1994 12 06 45 00 5805 w 12x 50 1994 1219 50 00 64 GM si ej WDOT tmm VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSI
33. 1 2 WITH PTFE SURFACING MASONRY PLATE 2 PCS 3 4 X 17 X 24 WITH 1 5 879 HOLES 14 93 4 1d 16 3 x 45 8 4 8 85 TRUSS BEARING ANGLES L6X6X3 4 2 WITH 1 5 8 X 4 172 SLOTTED HOLES 2 WITH 1 5 8 9 HOLES W12X 50 15 16 X 1 ne SLOTTED HOLES 175 VIRGINIA DEPARTMENT OF TRANSPORTATION ABUTMENT END PANEL STRINGERS 8 REQ D WORKING DRAWINGS HAVE BEEN REVIEWED IN ACCORDANCE GALVANIZED WITH SECTION 105 02 OF THE SPECIFICATIONS WITH THE FOL LOWING COMMENTS CVN COMPLETED av C CORRECT AND RESUBMIT OREJECTED SEE REMARKS DATE Of 905 REVIEWED BRENT SPRINKEL CULPEPER DIST BRIDGE ENGR NODA EONS SEP RN EE ree ei 9 92 9 39 1 9 26 05 wor revisions _ 08 0 TRUSS BRIDGE 13 7 RDWY RT 645 OVER RAPPAHANNOCK RIVER VDOT PROJ NO 0645 030 6903 SRO1 tt FAUQUIER COUNTY VIRGINIA LL DESIGN DRAWN DATE DRAWING NO 30 2005 ae WARRENTON SET 00 CHECK DATE FABRICATOR TRUSS ET LL JAG 9 2 05 U S BRIDGE Mu er SEAL WELD 5 16 NS 4 RM pud 5 16 TN Ww12x50 3 8 PLATE U2 amp U14 GUSSET PLATES 8 REQD 2 ict No 5 8 PLATE U4 amp U12 GUSSET PLATES 8 REQD 15 16 9 1 2 PLATE HOLES W12X5
34. 14 0 10 9 Capacity 18 2 14 0 Service 10 9 n a Phi vn 86 4 n a Capacity 86 4 n a Ratio 4 743 n a 7 922 n a Critical 1 331 1 239 2 145 99 000 Note When section capacity not determined ratios are set to 99 0 147 VIRGINIA DEPARTMENT OF TRANSPORTATION SIMPLE SPAN STEEL TRUSS STRINGERS LOAD RATING EXAMPLE Load Factors for Strength 6B 4 3 Manual for Bridge Evaluation 2011 Dead Load Factor Rating Factor Calculations for Strength HS 20 Inventory Cup Pe 520 RFinvSTR Adi ny HS201 HS20pFinvSTR 1 351 VA Type 3 Operating sip VAType3 OI YyPe3RFSTR VATyPe3 1 BP 90 Operating BP90 BP90r 1 BP9pESTR 2 278 Live Load Factor for Inventory Live Load Factor for Operating Eq 6B 4 1 1 Manual for Bridge Evaluation 2011 HS 20 Operating Csrr Ay PL HS20 RFoprSTR HS201 HS20RFoprSTR 2 256 VA 352 Operating CSTR ADL VAType382 ____ ERR VAType3S2y 115 Operating Carr Ay 115 gt RESTR BPll5gpgTg 2 176 Note Due to rounding of the results the LFD BRASS output the rating factors may vary slightly from the Virtis rating factors 148 VIRGINIA DEPARTMENT OF TRANSPORTATION Load Factors for Service Dead Load Factor Rating Factor Calculations for Service HS 20 Inventory Cser
35. 20 Lane Load Only HS 20 Tandem HS 20 Truck Only LRFD Fatigue Truck for Rating Notional Rating Load KRL 504 505 Suk 50 VA Type 3 VA Type 352 B User Defined Temporary DOT wine VE RSION 6 2 87 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Unit Stringers 0254 V Stringer Unit 3 Layout 7 Unit3 Stringer 1 0351 Unit3 Stringer2 0352 7 Unit3 Stringer3 0353 Unit3 Stringers 0354 Stringer Unit Layout Unit4 Stringers 0451 7 Units Stringer2 U452 Units Stringer3 U453 V Unit Stringers 0454 I Stringer Unit 5 Layout Units Stringer 1 0551 7 Units Stringer2 0552 Unit Stringer3 0553 V Units Stringers USS4 3 7 Stringer Unit 6 Layout 7 Unit Stringer 1 U65 1 Units Stringer2 0652 Unit Stringer 3 0653 Unit Stringers 0654 Stringer Unit 7 Layout Unit Stringer1 0751 Unit Stringer2 0752 Unit Stringer3 0753 Unit Stringers 0754 Il LL L4 Fx 0 000 Fy 1 000 kip NodeNum 3 LLQ L6 Fx 0 000 Fy 1 000 kip NodeNum 4 fl LLQ L8 Fx 0 000 Fy 1 000 kip NodeNum 5 fl LLQ L10 Fx 0 000 kip Fy 1 000 kip NodeNum 6 Il LLQ L12 Fx 0 000 Fy 1 000 kip NodeNum 7 fl LL L14 Fx 0 000 kip Fy 1 000 NodeNum 8 Initiating finite element analysis FEA Building model FEA Creating nodes
36. 3 i Bridge Id Structure Member Vehicle Rating Factor Rating Fa Rating Factor Rating Factor Capacity Capacity Capa Capacity Location Location 07323 AS BUILT Truss Span Unit1 Stringer1 VA Type 1 605 2 681 43 34 72 38 8 40 8 40 07323 AS BUILT Truss Span Uniti Stringer4 VA Type 1 605 2 681 43 34 72 38 8 40 8 40 LEE RATING CONTROLLING CONTROLLING CONTROLLING TONS MEMBERS LOCATION FORCE qq VA Type 3 Ext Stingers 840 VA Type 3S2 _ P Efkh Left Click the Close button for the Member Rating Results and the Structure Rating Results windows VDOT E mee eire VE RSION 6 2 94 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 LEGAL LOAD 352 RATING CONTROLLING CONTROLLING CONTROLLING ONS SER FT 4 VA 3 Ex Senge Ext Stringers Ee VA Type 352 pup E LANE m doom Pam To fill out the rating information for the VA Type 3S2 vehicle first highlight the VA Type 3S2 rows in the Bridge Rating Results window Bridge Rating Results System of Units Lane Impact Loading Type Display Format US Customary SI Metric As Requested Detailed Single rating level per row v Rating Capacity E 07323 20 44 Inventory 1 253 E _ 45 11 Wednesday August 31 2011 13 26 vitis Requested Requested 07323 Hs 20 44 Operating 2 093 LFD 75
37. AASHTO impact Constant impact override LAPD Dynamic oad Allowance Fatigue and fracture limit states 15 0 All ather limit states 23 0 ter taes NYDOT VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 SELECTING FACTORS 5 Bridge Workspace 07323 Expand the Factors folder 3 07323 Double click LFD to open Materials 28 Beam Shapes 1 Appurtenances Impact Dynamic Load Allowance Factors am 3g LRFD LRFR SUPERSTRUCTURE DEFINITIONS 2 BRIDGE ALTERNATIVES Factors LFD Img Left click the Copy from a Library button to open the ees library data for LFD factors lt _ Load acts Resistance Farina Copy from Library DE Apply Library Data Factors LFD Jee 5 factors and left click the OK button to accept AASHTO Standard Specificati Standa Apply Cancel WDO viene VE RSION 6 2 17 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Factors LFD GJER Left click the OK button to accept Name 1996 2002 interim AASHTO Std Spec and close Description AASHTO Standard Specifications for Highway Bridges 16th Edition 1996 including up to 2002 Interim Specifications Load Factors Resistance Factors WDO bi mre teg VE RSION 6 2 18 SIMPLE SPAN STEEL THROUGH TRUSS BRID
38. As Requested ae B 107323 AS BULLT Truss Spa Blanket Operating 2 056 LFD 92 53 Wednesday August 31 2011 13 virtis As Requested As Requested LI View Member Rating Results Show up to date results only Left click the View Member Rating Results button WDO RSION 6 2 97 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 The Member Rating Results window will appear Select Multiple Rating Levels per Row from the Display Format drop down menu Double click the Operating Rating Factor column to sort the rating factors from smallest to greatest Member Rating Results i System ol Units Lane Impact Loading Display Format 005 Customay O SI 7 AsRequested Detaled Mutiple rating levels pet iow fet melee z H Facto nies Raino Taca zaon ced Ton on Ton R 8 AS BULT Truss Span Blanket P 25 5 AS BULT Truss Span Blanket P 6 LFD AS BULLT Truss Span Blanket P LFO AS BULT Truss Span Blanket P LFO AS BULT Truss Span Blanket P LFO AS BULT Truss Span Blanket P LFO AS BULT Truss Span Unt Stringer Blanket P LFD 07323 AS BULT Truss Span Unt Stringers Blanket P 1 240 2072 5582 9322 840 8 40 LFO 07323 AS BULT Truss Span Unt2 Stringer1 Blanket P 1240 2072 55 82 9322 840 8 40 LFO 07323 AS BULT Truss Span Unt2 Stringers Blanket 1240 2072 55 82 9322 840 8 40 LFD 07323 AS BULT Truss Span Unt3 Stringer Blanket 1 240
39. BULT Truss Span Unt Stringers HS 20 44 253 2093 4511 7633 700 ufo AS BULT Truss Span Unt Stringer HS 20 44 1263 2 093 4511 75 33 700 7 00 LFO AS BULT Truss Span Una2 Stringers HS 20 44 1263 2 093 4511 76 33 7 00 7 00 LFO AS BULT Truss Span 43 Stringer HS 20 44 1253 2 093 45 11 75 33 7 00 7 00 LFO AS BULT Truss Span Una3 Stringers HS 20 44 1263 2 093 45 11 75 33 7 00 7 00 LFD AS BULT Truss Span Unit Stringer HS 20 44 1253 2 093 4511 75 33 700 7 00 LFO AS BULT Truss Span Stringers HS 20 44 1253 2 093 4511 75 33 7 00 7 00 LFD AS BULT Truss Span UNES Stringer HS 20 44 1 253 2 093 4511 75 33 7 00 7 00 LFD AS BULT Truss Span UnitS Stringers HS 20 44 1 253 2 093 4511 75 33 7 00 7 00 LFD AS BULT Truss Span Unit Stringer HS 20 44 1 253 2 093 45 11 75 33 7 00 7 00 LFD AS BULT Truss Span Stringers HS 20 44 1263 2093 4511 75 33 700 7 00 LFO AS BULT Truss Span Uni Stringer HS 20 44 1 253 2 093 4611 75 33 7 00 7 00 toO AS BULT Truss Span Un Stringers HS 20 44 1253 7 LFO AS BULT Truss Span 520 4 1522 2542 480 152 625 6 26 LFD AS BULT Truss Span Fioorbeam2 HS 20 44 1 522 252 4 80 91 52 625 626 LFD AS BULT Truss Span HS 20 44 1522 252 4 80 91 52 625 625 LFO AS BULT Truss Span Froorbeams HS 20 44 1 522 2542 54 20 91 52 625 6 25 AS BULT Truss Span FloorbeamS 5 20 44 1 522 2542 5480 91 52 625 6 25 LFD AS BULT Truss Span Flocrbeame HS 20 44 1 522 2542 5480 91 52 525 6 25 LFD AS BULT Truss Spa
40. END OF EACH MEMBER ASPHALT SURFACING 50 PSF FUTURE SURFACING 35 PSF NOTE DRAWINGS RELATIVE DO NOT SCALE L5 X 3 1 2 PRESTRESSED CONCRETE SLAB 2 AR ALL BOTTOM LATERALS 1 9 fing 4 BEAMS Noe FLOOR BEAMS Xe 2 STE 15 738 C C TRUSSES o l N 1 Cd D ee mU LEER MNA PS FRAMING PLAN FIELD BOLTED CONNECTIONS KN ED 12 98 0 C C BEARING 14 L4 X4 x 1 2 PIER 6 DETAIL DESIGN SPECIFICATIONS AASHTO STANDARD SPECIFICATIONS FOR HIGHWAY BRIDGES 1996 1997 AND 1998 INTERIM SPECIFICATIONS AND VDOT MODIFICATIONS USING ALLOWABLE STRESS DESIGN LOAD AASHTO HS20 44 AND ALTERNATE MILITARY LOADING MATERIAL ALL STRUCTURAL STEEL SHALL BE ASTM A709 GRADE 50 AND SHALL BE GALVANIZED LIVE ALL TRUSS MEMBERS INCLUDING GUSSET AND SPLICE PLATES FLOOR BEAMS STRINGERS AND ANY OTHER COMPONENTS DESIGNATED AS MAIN LOAD CARRYING MEMBERS SUBJECT TO CALCULATED TENSION OR STRESS REVERSAL SHALL MEET THE ZONE 2 CHARPY V NOTCH IMPACT STRENGTH REQUIREMENTS AS SPECIFIED IN SECTION 226 OF THE SPECIFICATIONS FIELD SPLICES OF THE TRUSS AND ALL FLOOR BEAM CONNECTIONS SHALL BE MADE USING HIGH STRENGTH BOLTS AND SHALL BE DESIGNED AS SLIP CRITICAL CONNECTION WITH A CLASS C SURFACE ALL FASTENERS SHALL BE DIAMETER HIGH STRENGTH BOLTS ASTM A325 GALV
41. Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY 0 MEMBER DEFINITIONS H TRUSSES 5 FSG Floor System Geometry S Eg STRINGER UNIT LAYOUT z m FLOORBEAM MEMBERS I Floorbeamo FSR Floorbeam Stringer Reactions C FLOORBEAM MEMBER ALTERNATIVES I Floorbeami I Floorbeam2 I Floorbeam3 I Floorbeam4 I Floorbeam5 I Floorbeam E I Floorbeam7 BRIDGE ALTERNATIVES HDA f Floorbeam Member Alternative in the Member Alternatives window Expand Floorbeam0 and double click FLOORBEAM MEMBER ALTERNATIVES doi Floorbeam0 Fbarbeam Definition FB1 v Analysis Locations Web Loss Top Flange Loss Bottom Flange Loss Top Cover Plate Loss Bottom Cover Plate Loss Distance From Left End Side ft New JI Duplicate Delete Repeat this process for Floorbeams 1 through 7 Name FloorbeamO Floorbeam Definition FB1 Since there is no deterioration to the floorbeam all tabs do not require input Left click OK to accept and close THE INPUT FOR THE TRUSS STRINGERS AND FLOORBEAMS IS NOW COMPLETE USER CAN PROCEED TO CREATING THE BRIDGE ALTERNATIVE VDOT Virginia Department of Transportation VERSION 6 2 73 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 CREATING A BRIDGE ALTERNATIVE A bridge can have several unique bridge alternatives Each bridge alternative must include the entire bridge but
42. Left click OK to accept and close 64 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Bridge Workspace 07323 Expand Unit 1 Stringer 2 and double click 07323 a Materials the STRINGER MEMBER Beam Shapes Appurtenances Impact Dynamic Load Allowance Factors amp gg SUPERSTRUCTURE DEFINITIONS E Arf AS BUILT Truss Span a Impact Dynamic Load Allowance tt Load Case Description amp Framing Plan Detail CT Structure Typical Section dx Superstructure Loads E Connectors Shear Connector Definitions m Stiffener Definitions FHL Floorbeam Member Locations E STRINGER GROUP DEFINITION GEOMETRY amp 8 MEMBER DEFINITIONS E TRUSSES FSG Floor System Geometry STRINGER UNIT LAYOUT SUL Stringer Unit 1 Layout CSR Computed Stringer Reactions STRINGER MEMBERS Gi I Uniti Stringer1 CSR Computed Stringer Reactions STRINGER MEMBER ALTERNATIVES I u1s1 I Uniti Stringer2 CSR Computed Stringer Reactions STRINGER MEMBER ALTERNATIVES Uniti Stringer3 I Uniti Stringer4 SUL Stringer Unit 2 Layout SUL Stringer Unit 3 Layout SUL Stringer Unit 4 Layout SUL Stringer Unit 5 Layout SUL Stringer Unit 6 Layout SUL Stringer Unit 7 Layout FLOORBEAM MEMBERS BRIDGE ALTERNATIVES 0 8 HEELS EI RE E a Stringer Member Alternative o Stringer Definition i w ALTERNATIVES folder Since there is no deterioration on Live Load Distr
43. Locations FA Stringer Profile EI Deck Profile FA Haunch Profile Lateral Support stiffener Ranges Bearing Stiffener Locations Points of Interest TRUSSES E FS Floor System Geometry amp Eg BRIDGE ALTERNATIVES Lateral Support The user can define the top flange of the stinger definition as laterally supported along its length According to the plans the stringers are welded to the corrugated steel floor at every corrugation Therefore the top flange can be considered to be laterally supported Double click Lateral Support Wee Left click the New button Start Distance Start End Distance ise Distance ft ft OK Apply Cancel Lateral Support JER Start Distance 0 00 ft Length 14 00 ft Since there are no web stiffeners the input for the stringer definition is complete Left click OK to accept and close New Duplicate Delete Lx VDO Virginia Department of Transportation VERSION 6 2 46 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 DEFINING THE TRUSS BS Bridge Workspace 07323 Expand the TRUSSES folder and double click 07323 Truss 1 H gg Materials Beam Shapes gg Appurtenances a Impact Dynamic Load Allowance X gg Factors SUPERSTRUCTURE DEFINITIONS AS BUILT Truss Span Impact Dynamic Load Allowance tt Load Case Description Frami
44. Operating 2 0 056 92 53 Wednesday August 31 2011 13 26 virtis Requested Requested 07323 VA Type 3 Inventory 1 605 43 34 Wednesday August 31 2011 13 26 virtis As Requested As Requested v LI E 07323 VA Type 3 Operating 2 681 LFD 7238 Wednesday August 31 2011 13 26 virtis As Requested As Requested v Li 07323 VA Type 352 Inventory 1 605 LFo 6421 Wednesday August 31 2011 13 26 vitis As Requested Requested v 07323 Type 352 Operating 2 681 LFD 107 24 Wednesday August 31 2011 13 26 virtis __ As Requested Requested v Show up to date results only Show most recent results only View Structure Rating Results Then left click the View Structure Rating Results window The Structure Rating Results window will appear Highlight the two rows Structure Rating Results System of Units Lane Impact Loading Type Display Format US Customary SI Metric Requested Detailed Single rating level per row Rating Rating Capacity 4 Bridge ld Time Stamp Rated Impact Lane Up To Date Vehicle Path 07323 Eee NE 1 179 LFD 67 78 Wednesday August 31 2011 13 virtis As Requested As Requested v Br 2113 20 Wednesday August 31 2011 13 virtis As Requested As Requested View Member Rating Results Show up to d
45. Truss Span Unit1 Strngert VA Type AS BULT Truss Span Unt Stringers VA 2 AS BULT Truss Span Unt2 Stringer 6 LFD AS BULT Truss Span Unit2 Stringers Type 5 LFD AS BULT Truss Span Unit3 Stringert Type 5 LFD AS BULT Truss Span Unit3 Stringers 5 LFD AS BULT Truss Span Una Stringer VA Type 5 UFD AS BULT Truss Span Unit Stringers VA Type 5 LFD AS BULT Truss Span UnttS Stringer VA LFD AS BULT Truss Span Untt Stringers Type 5 LFD AS BULT Truss Span Unit Stringer Type 60S LFD AS BULT Truss Span Unit6 Stringers 605 LFO AS BULT Truss Span Unt lt LFD AS BULT Truss Span 5 LFD AS BULT Truss Span Floorbeam LFO 07322 AS BULTTruss Span Fioorbeam2 VA Type 1 815 3032 4902 81 85 625 6 25 LFD 07323 AS BULT Truss Span Floorbeam3 Type 1 815 3 032 4902 815 625 625 LFO 07323 AS BULT Truss Span Fioorbeams Type 1 815 3 032 4902 81 86 625 625 LFD 07322 AS BULTTruss Span FioorbeamS Type 1 815 3 032 4902 8186 625 625 LFD 07322 AS BULT Truss Span Fioorbeam Type 1 815 3 032 4902 8186 625 625 LFD 07323 AS BULTTruss Span Truss 1 VA Type 2428 404 6555 10946 000 0 gt V Show up to date resus only By observation the exterior stringers control the rating 3 E Inventory Operating Legal Permit Inventory Operating Inventory Operating Legal Permit
46. Unit1 Stringer1 VA Type 1 605 2 681 684 21 107 24 8 40 8 40 07323 AS BUILT Truss Span Unit1 Stringer4 va Type 1 605 2 681 64 21 107 24 8 40 8 40 RATING CONTROLLING CONTROLLING CONTROLLING ONS MEMBERS LOCATION FORCE VAType3 Ex Stringers 80 VA Type 352 Ex Stingers 840 Left Click the Close button for the Member Rating Results and the Structure Rating Results windows NYDOT VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 PERMIT LOAD BP 90 RATING CONTROLLING CONTROLLING CONTROLLING ONS SHEERS TESTET FT RE 90 E a To fill out the rating information for the BP 90 vehicle first highlight the Blanket Permit 90 rows in the Bridge Rating Results window Bridge Rating Results 1 System of Units Lane Impact Loading Type Display Format US Customary SI Metric As Requested Detailed Jl Single rating level per per row v HS 20 44 Inventory 1 253 LFD 45 11 Wednesday August 31 2011 13 26 virtis As Requested As Requested HS 20 44 Operating 2 093 LFD 75 33 Wednesday August 31 2011 13 virtis As Requested Requested M E 07323 Blanket Permit 115 BP 115 Inventory 1 179 LFD 67 78 Wednesday August 31 2011 13 26 virtis As Requested As Requested v o 323 Blanket Permit 115 BP 115 Operating 7 1969 LFD 11320 Wednesday
47. can consist of a different layout of superstructures The number of spans the span lengths and the pier locations are defined within the bridge alternative and its accompanying windows Entering different bridge alternatives can be useful when comparing various alternatives for a preliminary study Bridge Workspace 07323 Double click BRIDGE ALTERNATIVES 07323 3 Materials 1 Beam Shapes 8 Appurtenances a Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS 9 AS BUILT Truss Span a Impact Dynamic Load Allowance it Load Case Description 459 Framing Plan Detail Structure Typical Section zr Superstructure Loads 28 Connectors 2 Shear Connector Definitions Og Stiffener Definitions FML Floorbeam Member Locations CJ STRINGER GROUP DEFINITION GEOMETRY 0 MEMBER DEFINITIONS gg TRUSSES FS6 Floor System Geometry __ BRIDGE ALTERNATIVES QW DOT m VERSION 6 2 di SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Bridge Alternative TFT Job Alternative Name AS BUILT Description Left click OK to accept and close Description Reference Line Global Positioning Reference Line Length n Distance L 1 Starting Station nn Offset L Bearing 90 0 0 00 E Elevation Superstructure Wizard 07323 Materials 8 Beam Shapes Ez Appurtenances a Impact Dynamic Load A
48. click OK to accept and close New J Duplicate Delete Virginia Department VERSION 6 2 35 of Transportation NDD SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 FLOORBEAM INTERMEDIATE SUPPORTS Gil bridge Workspace 07323 Double click Floorbeam Intermediate Supports amp 07323 Eg Materials Beam Shapes zu Apourtenaices 7 Impact Dynamic Load Allowarce Factors 83 SUPERSTRICTURE DEFINITIONS AS BJILT Truss Span a Impacl Dynamit Load Allowance dk Load Case Description Framing Plen Detail Structure Typical Section gt Supersrucure Loads Connectors Shear Conmeclor D firiliuris Stiffener Definitions FML Floorbeam Member Locations STRINGER SROUP DEFINITION GEOMETRY MEMBER DEFINITIONS Ei Eg FLOCRBEAM DEFINITIONS Fei ak Florbeam Definiton Loade FIS Floorbeam Intermediate Supports Default Materials Inpact Dynamic Load Allowance Splice Locations ES Flour bean Profile 9 Lateral Support Siffener Ranges 1 Points of Interest STRINGER DEFINITIONS E TRUSSES F56 Floor System Geometry BRIDGE ALTERNATIVES og Mew Duplicate Delete Left click to accept and close WDOT zo EN This user can define additional intermediate supports for floorbeam members that
49. dead loads is needed SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Bridge Materials Concrete Jo Name Asphalt Filled Corrugated Steel Deck Name Asphalt Filled Corrugated Steel De Description Asphalt Filled Corrugated Steel Deck Compressive strength at 28 days f c ksi Initial compressive strength ksi Coefficient of thermal expansion 0 0000060000 Density for dead loads 0 144 kef Density for modulus of elasticity kef Modulus of elasticity Ec ksi Initial modulus of elasticity isi Poisson s ratio 0200 Composition of concrete Normal Modulus of rupture ksi Shear factor 1 000 Description Asphalt Filled Corrugated Steel Deck Density for Dead Loads 0 1442 kcf see calculation below Left click OK to accept and close STEEEL FLOOR WITH ASPHALT SURFACING Calculation of Self Weight of Timber Deck Length ft Deck Width lt 13 58 ft SIP Weight 15 00 psf Asphalt Surfacing Weight 50 00 psf Total Weight 86 53 kips Calculation of Self Weight of Deck Equivalent Based on deck definition in VIRTIS Concrete Deck Deck Thickness 5 375 in Width of Deck 13 583 ft Length of Bridge 98 000 Total Deck Volume 596 252 ft Total Weight 90 000 kips Includes deck extending beneath barriers Sheet 2 of 8 Plan 286 07 Sheet 2 of 8 Plan 286 08 Includes deck extending beneath barriers If a sol
50. is done by first left clicking Rating Vehicles in the right column Then left click the desired vehicle from the left column and left click the Add to Rating gt gt Button This can be saved as a Template for future ratings Left click the Save Template button to open the Save Template window NVDOT 51m VERSION 6 2 80 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Templates Description Analysis Owner HL 93 Design Review HL 93 Design Review Design Review HS 20 Rating HS 20 Rating Rating Design Load Rating LRFR Design Load Rating i LRFR Legal Load Rating LRFR Legal Load Rating LRFR Vitis Engine CS 1 of 2 Vittis new analysis event Virtis Engine CS 2 02 Virtis new analysis event Virtis Engine SS lt 20 Virtis new analysis event Virtis Engine SS gt 20 Virtis new analysis event Type LFD VDOT for the Template Name and left click the Save button Left click OK on the Analysis Settings window to accept and close DOT mere nere VE RSION 6 2 81 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 ANALYZE MEMBER S FS6 Floor System Geometry To analyze a specific s member right click the j SUL Stringer Unit 1 Layout SUL Stringer Unit 2 Layout desired MEMBER CSR Computed Stringer Reactions ALTERNATIVE and select G gg STRINGER MEMBERS Analyze C Unit2 Stringer 1 CSR Computed Stringer Reactions STRINGER MEM
51. main member i Deck Q Deck Cont d Parapet Median Railing Generic Sidewalk Lane Position Wearing Surface Deck concrete Asphalt Filled Corrugated s im Total deck thickness 5 3 5 in Deck crack control parameter Sustained modular ratio factor Cancel Deck concrete Select Asphalt Filled Corrugated Steel Deck from the drop down menu Total deck thickness 5 375 in Deck crack control parameter This field can be left blank since the deck is not composite with the stringers and is only used for dead loads calculations Sustained modular ratio factor This field can be left blank since the deck is not composite with the stringers and is only used for dead loads calculations Structure Typical Section 59 Note Since parapets median railings generic barriers sidewalks or a wearing surface is not present on the bridge input for these tabs is not required 1 Distance from left edge of deck to Distance fron right edge of deck o superstructure definition ref line 0 superstructure definition ref line Les Superstructure Definition Ft I Reference Line 2 i Tat Lelt edge ol deck to first stinger Left ecge of deck to first main member Deck Deck Cont d Parapet Median Railing Generic Sidewalk ane osition Keating Surface Deck concrete Asphalt Filled Corugated 5 v Total deck thi
52. of the results the Detailed Truss Member Rating Results the rating factors may vary slightly from the Virtis rating factors 140 VIRGINIA DEPARTMENT OF SIMPLE SPAN STEEL TRUSS LOAD RATING EXAMPLE TRANSPORTATION Load Rating Tonnage Calculations Eq 6B 4 1 2 Manual for Bridge Evaluation 2011 HS 20 Inventory HS 20 Operating HS20 Riny 520 HS20 HS20 Ropr HS20p rop 520 520 Riny 65 ton HS201 108 ton VA Type 3 VA Type 3S2 VAType3j VAType3 VAType3S2 p VAType3S2p p 352 VAType3r 110 ton VAType3S2 139 ton BP 90 BP 115 BP90r R 125 ton 160 ton Note Due to rounding of the results in the Detailed Truss Member Rating Results the rating tonnages may vary slightly from the Virtis rating tonnages 141 APPENDIX F RATING FACTOR AND TONNAGE CALCULATIONS FOR STRINGERS VIRGINIA DEPARTMENT OF TRANSPORTATION SIMPLE SPAN STEEL TRUSS STRINGERS LOAD RATING EXAMPLE Virginia Department of Transportation NVDOT Overview The Purpose of this Mathcad sheet is to calculate rating factors and tonnages for vehicle configurations in the Virginia Department of Transportation Structure and Bridge Division s Instructional and Informational Memorandum IIM S amp B 27 6 This sheet does not provide any analysis calculations but only provides calculations for rating factors and load ratings using output from Virtis 6 2 using the
53. reinforcement Welds Balts NYDDOT zm d SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 SELECTING IMPACT DYNAMIC LOAD ALLOWANCES Bridge Workspace 07323 JoJk3 E 407323 Materials Beam Shapes Appurtenances 3 Impact Dynamic Load Allowance Factors 89 SUPERSTRUCTURE DEFINITIONS Ej AS BUILT Truss Span m Impact Dynamic Load Allowance dii Load Case Description Framing Plan Detail Structure Typical Section Hr Superstructure Loads E Connectors Shear Connector Definitions 2 stiffener Definitions EEE FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS 2 FLOORBEAM DEFINITIONS I B1 Floorbeam Definition Loads FIS Floorbeam Intermediate Suppor ts LI Default Materials Impact Dynamic Load Allowance sr Splice Locations EA Floorbeam Profile E Lateral Support stiffener Ranges Points of Interest a Gj STRINGER DEFINITIONS TRUSSES FSG Floor System Geometry 88 BRIDGE ALTERNATIVES c Bridge Impact Dynamic Load Allowance Standard Impact Factor For structural components where impact is to be included per AASHTO 3 8 1 choose the impact factor to be used KO 2 Standard AASHTO impact L 125 Modified impact limes AASHTO impact Constant impact override Ex LRFD Dynamic Load Allowance Fatigue and frac
54. span between main girders The main girder locations are considered to support the floorbeam and thus intermediate supports should not be placed at the same locations as the main girder locations For this example no additional intermediate supports are required 36 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 DEFAULT MATERIALS Double click Default Materials 07323 H Materials Bean Shades Appurtenances Impact Dynamc Load Allowance Facors SUPERSTRUCTLRE DEFINITIONS gf AS BUILT Truss Span ImpacL Dynamic Luar Allowance Load Case Description amp Framing Plan Structure Typical Section Superstructure Loads Connectors Shear Connector Defiritions Z3 Stiffener Definitions FM Floo beam Member Locations STRINGER GROUP GLOMCTRY MEMBER CEFINITIONS FLOORBEAM DEFINITIONS 5 I FB1 Floorbeam Definition Leads FIS Floorbeam Intermediate Supports S Tmpert I nad Allowance 22 Splice Locations Floorbcam Profile Lateral Support stiffener Ranges Points of Interes fj STRINGER DEFINITIONS 8 TRUSSES 9 FS System Geometry 8 RRTDGF A TFRNATTVFS The materials initially shown in Member Alternative ame 31 this window correct Structural steel G Left click OK to accept and close Deck concrete Asphalt Filled Corugated Steel Dec Deck
55. window LOA13 LOA14 LOA14 ALA LOA14 Slabs y Rating Examples 8 Sample Bridges Deleted Bridges Left click View analysis settings S 8 Materials amp 8 Beam Shapes Appurtenances Impact Dynamic Load Allowance amp Factors E SUPERSTRUCTURE DEFINITIONS S Mf AS BUILT Truss Span a Impact Dynamic Load Allowance dl Load Case Description 457 Framing Plan Detail Structure Typical Section skr Superstructure Loads amp E Connectors Shear Connector Definitions m Stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY amp 0 MEMBER DEFINITIONS amp gg TRUSSES I Truss 2 Truss 1 FSG Floor System Geometry BRIDGE ALTERNATIVES WDOT siamsa VERSION G2 R Analysis Settings COE Left click the Open Template button Rating Method LFO Iv Analysis Type 2 Standard O Advanced Vehicles Qutput Engine Description L pem vi Temporary Vehicles Both directions Vehicle Selection Vehicle Summary S Vehicles Addto Rating Vehicles Standard Rating Inventory Alternate Military Loading Operating H1544 H 20 44 HS 15 44 HS 20 81 HS 20 44 3 Analysis Type 3 3 lt lt 352 lt Agency Blanket Permit 115 115 Blanket Permit 90 BP 30 115 Cont Spans or gt 200 ft BP 9
56. 0 Cont Spans or gt 200 t 5 204 Load Only 5 20 andem HS 20 T ruck Only LRFD Fatigue Truck for Rating Notional Rating Load NRL 514 505 506 507 V Type 3 V Type 352 S User Defined Pick Up Truck Temporary Template Templates Description Analysis Owner Public Priv HL 33 Design Review HL 83 Design Review Diesign Meview Fublic H5 20 Rating H5 20 Rating Rating Fublic new analysis event Rating Fublic LR R Desig Load Rating Lesign Load Rating Rating Fublic LA A Legal Load Aging Legal Load Rating Rating Fublic LR H Virtis Engine C5 1 of 2 Virtis new analysis event Rating Fublic LAR Virtis Engine C5 2 of 2 Vitis new analysis event Rating Fublic Virtis Engine 55 lt 20 Virtis new analysis event Rating Fublic LAR Virtis Engine 55 gt 20 Vitis new analysis event Rating Fublic Left click the LFD VDOT template and left click the Open button Woot VERSIONES Left click the OK button to accept and close Design Review Rating Analysis Standard O Advanced Vehicles Output Engine Description Traffic Direction Both directions Refresh Temporary Vehicles Advanced Vehicle Selection Vehicle Summary Vehicles Addio Rating Vehicles S Standard Rating B Inventory Altemate Military Loading HS 20 44 H1544 Blanket Permit 115 BP 115 H 20 44
57. 0 110 0 0 000 0 4900 29000 00 Grade 250 AASHTO M Standa 51 250 0 400 0 0 000 7849 000 189948 00 Grade 345 AASHTO M Standa 51 345 0 450 0 0 000 7849 000 199948 00 Grade 345W AASHTO M Standa 51 345 0 485 0 0 000 7849 000 199948 00 Grade 36 AASHTO M Standa US Cu 36 00 58 00 0 000 0 4900 29000 00 Grade 485W AASHTO M Standa 51 485 0 620 0 0 000 7849 000 199948 00 AASHTO M Standa US Cu 5000 6500 0000 0 4900 29000 00 Grade SOW AASHTO M Standa US 50 00 70 00 0 000 0 4900 29000 00 Grade 690 gt 65 to 100 incl AASHTO M Standa E Me 620 0 690 0 0 000 7849 000 199947 95 Grade 680 65 mm AASHTO M Standa 31 Me 690 0 760 0 0 000 7849 000 199948 00 Grade 690W gt 65 to 100 incl AASHTO Standa 51 Me 620 0 690 0 0 000 7849 000 199947 95 Grade 690W lt 65 mm AASHTO M Standa si Me 690 0 760 0 0 000 7849 000 199948 00 Grade 70W AASHTO Standa US Cu 70 00 90 00 0 000 0 4900 29000 00 Prior to 1905 Built prior to Standa Cu 26 00 52 00 0 000 0 4900 29000 00 oc App DD Deparment VERSION 6 2 6 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 E Bridge Materials Structural Steel Jog Name Gade 50 Description ASHTO M270 Grade SC Material Properties Specified minimum yield strength Fy 90 000 EG Specified minimu
58. 07323 AS BUILT Truss Span Unit1 Stringers Blanket Permit 1209 203 6951 11608 700 700 LFD 07223 AS BULT Truss Span Unit2 Stringert Blanket Permit 1 209 2 019 6951 116 08 7 00 7 00 LFD 07323 As BULT Truss Span Unit2 Stringer4 Blanket Permit 1 209 2 019 69 51 116 08 7 00 7 00 LFD 07323 As BULT Truss Span Unit3 Stringer1 Blanket Permit 1 209 2 019 6851 116 08 7 00 7 00 Lj 07323 AS BUILT Truss Span Unit3 Stringer4 Blanket Permit 1 209 2019 6951 11608 700 70 LFD 07323 AS BULT Truss Span Unit4 Stringer1 Blanket Permit 1 208 2019 6951 11608 700 70 LFD 07323 5 Truss Span Unit4 Stringer4 Blanket Permit 1 209 2019 8951 11608 700 700 LFD 07323 AS BULT Truss Span Units Stringer1 Blanket Permit 1 208 2019 69 51 11608 7 00 700 LFD 07322 AS BULT Truss Span Units Stringer4 Blanket Permit 1 209 2019 amp 951 11608 700 700 LFD 07323 As BULT Truss Span Unit Stringert Blanket Permit 1 209 2 019 6951 116 08 7044 70 07323 AS BULT Truss Span Unit Stringer4 Blanket Permit 1 209 2 019 69 51 116 08 700 LFD 07323 5 Truss Span Unit7 Stringer1 Blanket Permit 1 209 2 019 6951 11608 7 00 7 00 LFD 07323 AS BUILT Truss Span Unit7 Stringer4 Blanket Permit 1 209 2 019 6951 116 08 7 00 700 LFD 07323 AS BULT Truss Span Truss 1 Blanket Permit 1 853 2760 95 04 158 72 000 000 LFD fv ll Show up to date re
59. 1994 11 99 16 00 17 18 w 122 19 1384 1216 19 00 21 32 W 12x 22 1994 1231 22 00 253 12x 26 1994 1222 25 00 E j 331 1 25 NW 7 154 i 355r W 12x 40 1994 11 34 40 00 51 3 W 12x 45 1994 12 06 45 00 580 w 12x 50 1834 1218 50 00 4 4 IE gt NYDOT mz VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Steel I Shape WW 12x30 Description 12x30 Imported from AISC Tables 1994 Left click OK to accept and Rolled shape type W Shape O M Shape OS Shape HP Shape close Dimensions Properties i vH n E 1 0 4400 n 5 LX 23200 0 2600 i 1 6 5200 Pa pA mum mm Bridge Workspace 07323 07323 Materials Structural Steel 8 Concrete E Reinforcing Steel Prestress Strand amp gg Timber Beam Shapes Double click the Shapes folder to create a new beam Prestress Beam Shapes S gg Timber Beam Shapes Appurtenances a Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS E bef AS BUILT Truss Span Steel I Shape Name Description Dimensions Properties definition HEG Rolled shape type OM Shae OS Shape Shape OK Apply Cancel VDOT Virginia Department of Transportation VER
60. 2 420 U6 U8 U10 U4 U12 U2 U14 Li 13 L5 L7 L9 L11 115 115 TRUSS SECTION A A TRUSS SECTION AB B B TRUSS SECTION B TRUSS 1 TRUSS MARKING DIAGRAM U6 U8 112 UA U12 U2 914 L1 L3 L5 7 L9 L11 L15 TRUSS SECTION C TRUSS SECTION CD D D TRUSS SECTION D TRUSS 2 TRUSS MARKING DIAGRAM oe toy a 3 8 P lt gt 13 16 X 1 1 16 SLOTTED HOLES DE 2 4 1 2 5 4 1 2 3 1 2 55 27 C12X20 7 GUARDRAIL BRACKET 28 REQD 15 16 9 HOLES 1 1 4 A449 ALL THREAD GALV ROD WITH 2 NUTS amp ONE WASHER 3 4 9 A449 ALL THREAD GALV ROD WITH 2 NUTS amp ONE WASHER 15 EMBED STRINGER ANCHOR BOLT 16 REQ D GALVANIZED TRUSS ANCHOR BOLT 8 REQ D GALVANIZED WORKING DRAWINGS HAVE BEEN REVIEWED IN ACCORDAN WITH SECTION 105 02 OF THE SPECIFICATIONS WITH THE FOL Ss DATE 0 LOWING COMMENTS ZE REVIEW COMPLETED C CORRECT AND RESUBMIT 1 REJECTEO SEE REMARKS REVIEWED BRENT SPRINKEL CULPEPER DIST BRIDGE ENGA NOTE DRAWINGS RELATIVE DO NOT SCALE VIRGINIA DEPARTMENT OF TRANSPORTATION REVIEW OF WORKING DRAWINGS QUANTITY DESCRIPTION TRUSS 1 SECTION A GALVANIZED 1 PC TRUSS 1 SECTION GALVANIZED 1 PC TRUSS 1 SECTION GALVANIZED 1 PC TRUSS 2 SECTION GALVANIZED 1 PC TRUSS 2 SECTION CD GALVANIZED 1 PC TRUSS 2 SECTION D GALVANIZED
61. 2072 55 82 93 22 840 840 LFO a 07323 AS BULT Truss Span Unt3 Stringer4 Blanket P 1 240 2 072 55 82 9322 840 840 LFO 07323 AS BULT Truss Span Unts Stringer Blanket 1 240 2072 55 82 93 22 840 8 40 LFD 07323 AS BULT Truss Span Unts Stringers Blanket 1240 2072 5582 9322 840 840 LFO B 07323 AS BULT Truss Span UneS Stringer Blanket 1240 2072 5682 93 22 840 840 LFO 07323 AS BULT Truss Span UNES Stringers Blanket P 1 240 2072 5 82 93 22 840 840 LFO 07323 AS BULT Truss Span Un amp 6 Stringer Blanket 1240 2072 5582 93 22 840 840 LFD E 07323 AS BUILT Truss Span Unt Stringers Blanket P 1 240 2 072 55 82 9322 8 40 8 40 LFD 07323 AS BULT Truss Span Unt Stringer Blanket P 1240 2072 5582 9322 6 40 8 40 LFO 07323 AS BULT Truss Span Unt Stringers Blanket P 1 240 2 072 55 82 93 22 840 840 un 07323 AS BULT Truss Span Truss 1 Blanket P 1 654 2763 7444 12432 0 00 0 00 LFO v gt V Show up to date results only By observation the floorbeams control the rating Inventory Operating Legal Permit Inventory Operating Legal Permit Inventory Operating Bridge Id Structure Member Vehii 07323 AS BUILT Truss Span 07323 AS BUILT Truss Span Floorbeam Blanket P 1 231 2 056 5541 5253 625 626 Floorbeam2 Blanket P 1231 2 056 5541 9253 625 625 Pony RATING CONTROLLING CONTROLLING CONTROLLING ONS ERBEN OSATEN ET F EE __ 12 Left Click the Close button for
62. 33 Wednesday August 31 2011 13 26 viris Requested Requested 07323 _ Blanket Permit 115 BP 115 Inventory 1179 LFD 67 78 Wednesday August 31 2011 13 26 virtis As Requested Requested 07323 Blanket t Permit 115 BP 115 Operating 1 969 LFD 113 20 Wednesday August 3 31 2011 13 26 viris Requested As Requested 07323 Blanket Permit 90 BP 90 Inventory 1 231 LFD 55 41 Wednesday August 31 2011 13 26 virtis As Requested As Requested os Vehicle Path 07323 Blanket Permit 90 90 Operating 2 056 LFD 92 53 Wednesday August 31 2011 13 26 virtis As Requested As Requested 07323 VAType3 Inventory 1605 LFD 43 34 Wednesday August 31 2011 13 26 vitis Requested As Requested 07323 vA Type 3 Operating 2681 LFD 7238 Wednesday August 31 2011 13 26 vitis As Requested As Requested 07322 VA Type 352 Inventory 1605 LFD 6421 Wednesday August 31 2011 13 26 vitis Requested As Requested 1107323 Type 352 Operating 2681 LFD 107224 Wednesday August 31 2011 13 26 vitis Requested As Requested Show up to date results only Show most recent results only View Structure Rating Results OOAAAAAEASOO HERE vx ISI li Then left click the View Structure Rating Results window The Structure Rating Results window will appear Highlight the two rows
63. 5 1 22 596 47 061 1 65 27 42744 159451122 596 47 061 1 65 2 76 Impact Factor IM 1 22 Note The impact factor will be the same for each vehicle since this value is based upon the span length Trass PL LL Force Capacity One Multi E a Member Element Force Comp Lens Comp Tens Lane Lane RF kip ip kip LLDF LLDF USU6 127 44 159 45 1 22 596 47 061 1 65 2 76 127 44 159 45 1 22 596 47 061 1 65 2 76 127 44 159 45 596 47 061 2 02 3 38 127 44 159 45 596 47 061 202 3 38 138 VIRGINIA DEPARTMENT OF SIMPLE SPAN STEEL TRUSS LOAD RATING EXAMPLE TRANSPORTATION Capacity 1 The capacity will be the same for each vehicle 2 Negative values are used for compression and positive values are used for tension in the Virtis output However the user should enter an absolute values into the Mathcad sheet DL LL Force Capacity One Multi Member 55 Force 6 Lane Lane Y Element Tens IF Comp Tens RF RF kip kip kip LLDF LLDF U5U6 Upper Chord 127 44 159 45 1 22 0 61 1 65 2 76 127 44 159 45 122 0 61 1 65 27 127 44 159 45 0 61 2 02 3 38 127 44 159 45 0 61 2 02 3 38 LFD Live Load Distribution Factors DF 0 61 Note The live load distribution factor will be the same for
64. 596 47 0 61 2 02 3 38 159 45 596 47 0 61 2 02 3 38 137 VIRGINIA DEPARTMENT OF SIMPLE SPAN STEEL TRUSS LOAD RATING EXAMPLE TRANSPORTATION Live Load Force Design Vehicles Notes 1 Negative values are used for compression and positive values are used for tension in the Virtis output However the user should enter an absolute values into the Mathcad sheet Legal Vehicles Permit Vehicles Live Load HS 20 44 Design Truck DL LL Force Capacity One Multi Truss Inv Member PEE Force Comp IF Tens IF Comp Tens Lane Lane RF RF kip kip kip kip kip LLDF LLDF 03 6 127 44 147 20 1 22 596 47 0 61 1 79 299 127 44 14720 122 59647 061 1 79 2 99 Live Load VA Type 3 Design Truck 0506 0 127 44 108 57 122 596 47 061 2 3 405 127 44 108571122 596 47 061 243 405 Live Load VA Type 382 Design Truck 0506 0 127 44 127 51 1 22 596 47 061 2 07 3 45 127 44 127 51 1 22 59647 0 61 207 3 45 Live Load Blanket Permit 90 BP 90 esign Truck 0506 Upper Chord 127 44 15933 1 22 596 47 0 61 165 2 76 127 44 159 33 1 22 596 47 0 61 1 65 2 76 Live Load Blanket Permit 115 BP 11 esign Truck 0506 Upper Chord 127 44 159 4
65. 8 00 0 0000 Floorbeam3 28 00 14 00 42 00 0 0000 Floorbeam4 42 00 14 00 56 00 0 0000 Floorbeam5 56 00 14 00 70 00 0 0000 Floorbeam 70 00 14 00 84 00 0 0000 Floorbeam7 84 00 1400 98 00 20 0000 Fioorbeam0 0 00 0 00 0 00 0 0000 Floorbeam Location Wizard New Duplicate Delete VDOT Virginia Department of Transportation VERSION 6 2 Start Distance 0 00 ft Number of Spaces 7 Spacing 14 00 ft Left Click OK to accept and close A floorbeam still needs to be placed at the start of the structure To do this click the New button Floorbeam Name FloorbeamO Reference Distance 0 00 ft Offset 0 00 ft Note The offset is the length between the Reference Distance and the Location Note Even though floorbeams are not located at the abutments as shown on the plans fictitious floorbeams must be placed at the beginning and the end of the structure If a floorbeam is not defined at each panel point Virtis cannot analyze the bridge Left click OK to accept and close 31 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 STRINGER GROUP DEFINITION GEOMETRY f Bridge Workspace 07323 This window allows the user to define how many 5 407523 floorbeams support a stringer group and the type of rs support between the stringers and the floorbeam Appurtenances Impact Dynamic Load Allowance Factors Double click STRINGER GROUP DEFINITION E 0 SUPERSTRUCTURE DEF
66. ANIZED WITH A563 GRADE DH NUT AND ONE F436 WASHER PER BOLT AND MANUFACTURED IN ACCORDANCE WITH SECTION 226 THEY SHALL BE HOT DIPF D GALVANIZED PER SECTION 226 04 h OF THE VDOT ROAD amp BRIDGE SPECIFICATIONS ALL FASTENERS IN CONTACT WITH GALVANIZED STEEL UNLESS OTHERWISE NOTED SHALL BE 7 8 DIAMETER HIGH STRENGTH BOLTS ASTM A325 A565 GRADE DH3 NUT AND ONE F436 WASHER PER BOLT AND MANUFACTURED iN ACCORDANCE WITH SECTION 226 VIRGINIA DEPARTMENT OF TRANSPORTATION REVIEW OF WORKING DRAWINGS WORKING DRAWINGS HAVE BEEN REVIEWED IN SH CORDANCE WITH SECTION 105 02 OF THE SPECIFICATIONS WITH THE Pod REVISIONS IBY INOJDATE LOWING COMMENTS ENSIS ppl an ME RS M pa LI RT 645 OVER RAPPAHANNOCK RIVER REMAS 0 07 EE MN VDOT PROJ NO 0645 030 6903 SRO1 BRENT SPRINKEL FAUQUIER COUNTY VIRGINIA CULPEPER DIST BRIDGE ENGR NE e l I DESIGN DRAWN DATE DRAWING NO E 2201 AG RES 30 2005 Lo pop SHET 2 CHECK DATE FABRICATOR TRUSS e CONSTRUCTION FABR E 98 0 TRUSS BRIDGE U14 V VE SES Li 13 L15 7 PANELS 14 0 98 0 C C BRGS PIER 6 CAMBER 3 4 ABUTMENT FIXED END ELEVATION EXPANSION END 98 0 C C BEARING 12 BRGS LA RA x 172 AV s 3 x 700 1 2 X 1 BAR SU FE Se SS 1 A NER 97 X 21 4 L ME A325 B N W ABUTMENT B DETAIL
67. ATIVES 5 Bridge Workspace 07323 Stringer Members are automatically created by Virtis 407323 based on previous input Materials Beam Shapes C Appurtenances Double click Unit 1 Stringer 1 a Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS yf AS BUILT Truss Span a Impact Dynamic Load Allowance tt Load Case Description R Framing Plan Detail un Structure Typical Section zr Superstructure Loads Connectors Z3 Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS TRUSSES FSG Floor System Geometry Bg STRINGER UNIT LAYOUT I SUL Stringer Unit 1Layout CSR Computed Stringer Reactions 1 STRINGER MEMBERS I Unit1 Stringer1 I unitiStringer2 I unitiStringer3 I unitisStringer4 SUL Stringer Unit 2 Layout SUL Stringer Unit Layout SUL Stringer Unit 4 Layout SUL Stringer Unit 5 Layout SUL Stringer Unit 6 Layout SUL Stringer Unit 7 Layout 0 FLOORBEAM MEMBERS a DAA BRIDGE ALTERNATIVES ee Serger EDU LIES Ensure that the Include Name Unit Stringerl V Include in analysis in analysis box is Description checked Otherwise no input is required for this screen WDOT zt VERSION 6 2 v SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 5 Bridge Workspace 07323 mg Expand Unit 1 Stringer 1 and double click gil e ds the S
68. BER ALTERNATIVES I VITE I Unit2 Stringer2 Open H I Unit2 Stringer3 Copy Unit2 Stringer4 Delete 4 SUL Stringer Unit 3 Layout Analyze SUL Stringer Unit 4 Layout Schematic SUL Stringer Unit 5 Layout SUL Stringer Unit 6 Layout Close Bridge Workspace 4 SUL Stringer Unit 7 Layout amp FLOORBEAM MEMBERS Analysis Event Truck Legal Load Single Unit Truck 9261 SPECIAL TRUCK 6 6 000 10 000 8 500 4 000 SPECIAL TRUCK 6 8 500 33 000 8 500 4 000 SPECIAL TRUCK 6 8 500 TYPE 3184 Truck Legal Load Truck and Semi Trail RNING High The BRASS export does not support the lateral wind bracing height used on the DESIGN command DESIGN 3 1 COMMENT LFD Load Levels COMMENT Using system default LFD factors INVENTORY 1 300 1 000 1 670 1 000 1 000 1 000 OPERATING 1 000 1 000 1 670 1 000 1 000 1 000 POSTING 1 300 1 000 1 000 1 000 1 000 1 000 SAFE LOAD 1 000 1 000 1 000 1 000 1 000 1 000 STEEL BRG CONTROL 0 Data file successfully exported Analysis completed Allow the program to analyze the beam After the analysis is completed the user can read any warnings or errors by scrolling up the Analysis Progress window Click OK to proceed to view results DOT RSION 6 2 82 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 To view the results keep the analyzed MEMBER ALTERNATIVE selected 43 Bridge Tools Window He
69. BRACKETS 16 IQ N PLACED AT EACH ASPHALT SURFACING DIAGONAL AND BATTER 11 2 EDGE RDWY POST 2 48 m P RDWY PLUG WELD PUNCHING N 16 PCS AT EVERY CORRUGATION 7 8 X 234 AT TRUSS SHOE AND VERTICALS AT STRINGER BEARING A325 BNW 4 PCS 8 X 31 4 GAGE LINE A325 BNW wi2x30 X s E 1 STRINGERS See 2 2 YR 3 4 P di B 6 ae BRG PLATES ANCHOR BOLTS A325 B N W 7 X 21 5 Eie ELASTOMERIC 114 2 Ea A325 B N W ANCHOR END PLATE BEARINGS ER CONCRETE BEARING SEAT TRUSS BRIDGE SECTION VIEWS ALL GUSSET PLATES 3 8 INCH THICK EXCEPT AS NOTED WITH SUFFICLENT FLAY AREAS TO RESIST STRESSES AND SO SHAPED TO PZODUCE AN AESTHETIC ARCHITECTURAL APPEARANCE GRS E EN E TRE EAR LAB EE ERE DEAD LOAD 47 8K LIVE LOAD 39 7K IMPACT 8 9K TOTAL 96 4K iq y 2A 325 BNW K NOTE DIAGONALS BOTTOM CHORD CHANNELS BOTTOM CHORD GUSSET PLATES SPLICE PLATES FLOOR BEAMS amp STRINGERS REQUIRE NFC ZONE 2 15 FT LBS 407 F Rafe TRUSS W12X50 H NG CE NSW amp VA Sb G X A325 HIGH d STRENGTH BOLTS K X 2 C12X30 ae 2 C12X30 Murene 14 14 7 PANELS 14 98 0 C C BEARINGS TRUSS BRIDGE DETAIL TRUSS LIFTING WEIGHT 20 2K DESIGN DEAD LOADS WELE MEMBERS TO GUSSET PLATES WITH MINIMUM 5 16 INCH STEEL FLOOR 15 PSF FILLET WELDS AT EACH
70. BRASS LFD engine for steel stringers of truss bridges in flexure VDOT Vehicle Confiquration Tonnages Design Vehicles Legal Vehicles HS20 36 ton VAType3S2 40 ton Member of Interest Uasi at 700 f VAType3 27 ton References AASHTO 2011 The Manual for Bridge Evaluation Second Edition AASHTO 1996 with 1997 and 1998 Interim Revisions Standard Specifications for Highway Bridges Sixteenth Edition VDOT Structure and Bridge Division Instructional and Informational Memorandum 27 6 January 7 2008 IIM S amp B 27 6 Notes 1 Input cells are highlighted in yellow 2 Only LFD analysis modules can be used to analyze trusses in Virtis 6 2 Permit Vehicles BP90 45 ton BP115 57 5 ton Note For this example the controlling stringer is the member of interest at midspan The exterior stringers control for any stringer unit 143 VIRGINIA DEPARTMENT OF SIMPLE SPAN STEEL TRUSS TRANSPORTATION STRINGERS Dead Load Moments Girder Weight Superimposed Uniform Dead Load DL GW SUDL 5 67 ft kip DL 5 67 ftkip 1 Analyze the member of interest U2S1 E C and highlight the member alternative FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS TRUSSES FS6 Floor System Geometry E Bg STRINGER UNIT LAYOUT SUL Stringer Unit 1 Layout SUL Stringer Unit 2 Layout CSR Computed Stringer Reactions S fg STRINGER MEMBERS Unit2 Stringer1 CS
71. CATOR TRUSS 5 QE 7 3 6 2 2 TT Pig 5 16 br N Sf CN 241 2 15 16 OLES L3 L13 GUSSET PLATES 8 REQD 30 7 8 x 3 525 B N W 15 EACH SIDE 50 7 86 3 A325 B N W 15 EACH SIDE Vo x9 xz2 INSIDE amp OUTSIDE PLATES 15 17 amp 19 111 SPLICE DETAIL 4 REQ D Fa Li AND L15 GUSSET PLATES 8 REQ D NOTE 10 105 8 10 10 1038 105 8 8 24 gt L7 L9 GUSSET PLATES 8 REQD 1 9 26 05 VDOT REVISIONS 2 10 28 05 SPLICE DETAIL 3 11 2 05 GUSSET PLATE REV DRAWINGS RELATIVE DO NOT SCALE 105 8 a 5 6 gt lt A x we 15 16 OLES 2 12 30 GA B 2 C12X30 LINE 15 Lil GUSSET PLATES AG 9 2 05 105 8 98 0 TRUSS BRIDGE VIRGINIA DEPARTMENT OF TRANSPORTATI i REVIEW OF WORKING DRAWINGS WORKING DRAWINGS HAVE BEEN REVIE WED IN ACCORDANCE WITH SECTION 10502 p CTION 1050 OF THE SPECIFICATIONS WITH THE FOL X REVIEW COMPLETED AND RESUBMIT i FJ CTED SEE REMARKS cae REVIEWED BRENT SPRINKEL MESURE DT CULPEPER DIST BRIDGE ENGR 13 7 RDWY RT 645 OVER RAPPAHANNOCK RIVER VDOT PROJ NO 0645 030 6903 SRO01 FAUQUIER COUNTY VIRGINIA DESIGN DRAWN DATE AG RES 30 2005 CHECK DATE FABRICATO
72. E SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 p Truss otg U4US U4 05EP1 TO usua us EF TCA a LI EPT TCI 0708 LI US EPT TET Support Ccmmand User can define at US LIBEPT TC1 which panel points the supports are located as well as the supporttype 0110121011 U12 EPI TET support type options are Pinned 012013 U12 U13 EPT TCI Roller and Fixed U13L14 U13L14 ERT TCI L2U2L2U2 _D1 14041404971 Panel Point Command User can LEUG LE LIB V D1 define point loads in the horizontal Laue L8 UB V Di LADLHO LIO Lg D and vertical directions For the L12012 L12 UT2 V1 D1 vertical force a negative value UIL2U1 Lev n equates a downward force anda 12031203401 positive value equates upward UZLA L3 L4 V force L4LI5 L4 05 D1 USLE US LEV D1 LEU LE LI V D Load Type X Horizontal UF LEV D1 Laus L8 09 D1 DC or DW Load LISLTD LIS L10 1_01 L10011 L10 LITT VI D1 11112111112 11 Panel Poirt Vertical L12013 L12 U13 VT D1 Location of Force Load L14 Roller fa LO DC 0 0 3 92 L14 DE 0 0 3 2 Note For this example an upward force was placed at the end supports since fictitious floorbeams were placed at these locations The stringers rest directly on the abutments rather than a floorbeam These panel point loads will not be initially known To get this information analyze the truss once with 0 00 kips for the panel point vertical
73. ES FSG Floor System Geometry STRINGER UNIT LAYOUT 5 SUL Stringer Unit 1 Layout J Uniti Stril I Uniti Strit I Uniti Stril SUL Stringer Unit 2 Layou SUL Stringer Unit 3 Layou SUL Stringer Unit 4 Layou SUL Stringer Unit 5 Layou SUL Stringer Unit 6 Layout SUL Stringer Unit 7 Layout amp FLOORBEAM MEMBERS A RRTDGF TFRNATIVFS HP 6 8 86 Virginia Department of Transportation NDD STRINGER GROUP DEFINITION GEOMETRY CSR Computed Stringer Reactions STRINGER MEMBERS S Uniti CSR Computed Stringer Reactions Og STRINGER MEMBER ALTERNATIVES I 0151 EC Open Copy Delete Analyze Schematic Close Bridge Workspace VERSION 6 2 Once the controlling member s is known the user can obtain the controlling force for each vehicle by double clicking the bridge in the Bridge Explorer window to open the file Expand the folders to get to the controlling MEMBER ALTERNATIVE For this example the exterior stringers and the floorbeams control the ratings Where the exterior stringers control the rating for the HS20 VA Type 3 amp VA Type 352 vehicles do the following to determine the controlling member Right click one of the STRINGER MEMBER ALTERNATIVES for an exterior stringer and select Analyze 101 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Left click OK on the Analysis Progress S V Ana
74. Floor System Geometry a STRINGER UNIT LAYOUT SUL Stringer Unit 1 Layout CSR Computed Stringer Reactions 5 STRINGER MEMBERS Uniti Stringer1 CSR Computed Stringer Reactions Bg STRIMGER MEMBER ALTERNATIVES I 0151 I uniti Stringer2 I uniti Stringer3 I uniti Stringer4 SUL Stringer Unit 2 Layout H H 1 WDO E eire VE RSION 6 2 102 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 The Analysis Results U1S1 window will appear Select Single rating level per row from the Display Format drop down menu Ta Analysis Results U1S1 oog Report Type Lane Impact Loading Type Rating Results Summary v Requested Detailed Display Format Multiple rating levels per row Mutiple rating levels per row Single per row level Live Load Rating Inventory Operating Nod HER Opereting Inventory Operating HS 20 44 LFD 45 11 75 33 1 253 2 093 700 1 500 7 00 1 50 0 SERVICEABILITY STEEL SERVICEABILITY STI Lane LFD 64 22 107 24 1784 2 979 7 00 1 500 7 00 1 50 0 SERVICEABILITY STEEL SERVICEABILITY STI Blanket Permit 115 BP 115 Axle Load LFD 69 51 116 08 1 209 2019 700 1 50 0 700 1 50 0 SERVICEABILITY STEEL SERVICEABILITY STI Blanket Permit 90 BP 90 Axle Load LFD 55 82 93 22 1 240 2 072 840 1 60 0 840 1 50 0 SERVICEABILITY STEEL SERVICEABILIT
75. Floorbeam Stringer Reactions FLOORBEAM MEMBER ALTERNATIVES I Floorbeami E I Floorbeam2 Open I Floorbeam3 Copy I Floorbeam4 Delete I Floorbeam5 Analyze I Floorbeam6 Schematic I Floorbeam7 Close Bridge Workspace Analysis Progress 5 Analysis Event v Floorbeami FLOORBEAM MPT 5 10 000 12 000 14 766 6 000 14 766 FLOORBEAM MPT 6 10 000 12 000 16 413 6 000 16 413 WARNING High The BRASS export does not support the lateral wind bracing height used on the DESIGN command DESIGN 3 1 COMMENT LFD Load Levels COMMENT Using system default LFD factors INVENTORY 1 300 1 000 1 670 1 000 1 000 1 000 OPERATING 1 000 1 000 1 670 1 000 1 000 1 000 POSTING 1 300 1 000 1 000 1 000 1 000 1 000 SAFE LOAD 1 000 1 000 1 000 1 000 1 000 1 000 STEEL BRG CONTROL 0 Data file successfully exported Analysis completed NDD Virginia Department VE RSIO N 6 2 of Transportation controlling MEMBER ALTERNATIVE For the example this is the interior stringers and the floorbeams Right click any one of the FLOORBEAM MEMBER ALTERNATIVES and select Analyze Left click OK on the Analysis Progress window when the analysis is complete 104 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Highlight Floorbeam1 Analysis Report icon Tfj Bridge Workspace 07323 07323 E Materials Beam Shapes Appurtenances a Impact Dynamic
76. GE INPUT VERSION 6 2 CREATING SUPERSTRUCTURE DEFINITIONS TRUSS SPAN m sn Bridge Workspace 07323 07323 amp fg Materials Beam Shapes Appurtenances Factors 1 BRIDGE ALTERNATIVES New Superstructure Definition Double click SUPERSTRUCTURE DEFINITIONS to open a Impact Dynamic Load Allowance 1 SUPERSTRUCTURE DEFINITIONS Select Truss System Girder System Superstructure Girder Line Superstructure Floor System Superstructure Floor Line Superstructure Truss System Superstructure Truss Line Superstructure Superstructure and the Truss Floorbeam Stringer figure Left click the OK button to accept and close Truss Floorbeam R Truss Floorbeam Stringer Floor System Superstructure Definition Analysis Engine oc Definition Gag Name Description lt Default Units US Customary Number of main members Je ele Main member number of spans 0 Main member configuration m Number of stringers 0 Stingers frame into floorbeam Number of stringer units 0 KE Main Member Span Deck type Lengths Along the Reference Line Member Alt Types Steel 5 R C Ji ok App Cancel VDO Virginia Department of Transportation VERSION 6 2 19 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE I
77. HROUGH TRUSS BRIDGE INPUT VERSION 6 2 Stringer Member Alternative 151 Stringer Definition 5t I Analysis Localion amp Live Load Distribution Dweb Loss Top Flange Loss Bottom Flange Loss Top Cover Pla IA Standard Lanes Distribution Factor Wheels Loaded Support Shea Shear Moment Deflecton Start Distance Length End Distance Pstribution Factor Lanes Compute from Typical Section Action Moment iv Left click the Compute from Typical Section button R Stringer Member Alternative 11151 Stringer D efinition mini Analysis L Locations Live Load Distribution Web Loss Flange Loss Bottom Flange Loss Top Cover Plate Loss Bottom Cover Plate Loss Standard Lanes Distribution Factor Wheels Loaded Shear Support Shear Moment Deflection 0 807 0 807 0 807 0 333 0 807 0 607 0 807 0 333 Compute from Typical Section Action Moment ly LAFD Start Distance Length End ft ft ft Lane NVDOT EN Bax Live Load Distribution Tab Name U1S1 i e Unit 1 Stringer 1 Stringer Definition Select the appropriate stringer definition S1 is the only available stringer definition Note The LRFD distribution factors are not needed since the truss can only be analyzed using the LFD module
78. INITIONS rf AS BUILT Truss Span GEOMETRY Impact Dynamic Load Allowance Ht Load Case Description Framing Plan Detail e Structure Typical Section Superstructure Loads 1 Connectors Shear Connector Definitions Stiffener Definitions FML FI os gg MEMBER DEFINITIONS 23 TRUSSES FSG Floor System Geometry BRIDGE ALTERNATIVES F rE Jon Stringer Span Lengths Tab 14 00 Panel Description tinge Span Lena Y Disprregm i Name 14 00 Panel Number of floorbeans that support this stringer group definition 2 Number of floorbeams All flcorbearrs are perpendicular to the structure definitior reference line S Yes O No Flasrbaam Spacings that support this stringer Select the floorbeam spacings which cen Floorbeam Skew b initi be used to define the stringer span lengths Sparing Angle Irma HAS group definition 2 in his stringer arcup definition t Degrees Length F Ceu Pessible Floorheem Spacing Tana ud uni odd All fl orb eams are ft 14 0000 0000 simple x 00000 perpendicular to the structure definition Comsuted Fesulting Stinger Span Lengths refe rence 1 ine Yes Leave this box unchecked Apply Cancel Stringer Support For this example select Simple from the drop EB down menu The user can select a simple support a cantilever simples
79. ION 6 2 FLOORBEAM DEFINITION LOADS 45 Bricge Workspace 07323 07323 Materials Deam Shapes m Apaurtenances a Impact Dynanic Load Allowance Factors SUPERSTRUCTJRE DEFINITIONS AS BULLI span a Impact Dynamic Load Allowance dk I ned Case Desrrinton Framing Plan Detail Structure Typical Section Supersiruciure Loads Connectors Shear Conrector Dcfini3ons Stiffener Definiions FML Floorbeam Member Locations STRINGER GRCUP DEFINITION GEOMETRY 88 MEMBER DEFINITIONS FLOORBEAM DEFINITIONS I rei Floorbeam Definition Loads FIS Fborbeam Intermediate Supports Defaut Materals Impact Dynamic Load Allowance Sr Splice Lucalions fa Profile Lateral Support Stiffener Ranges Points of Interest STRINGER DEHIN 1 1ONS f TRUSSES i FSR Floor System Geometry BRIDGE ALTERNATIVES b Hud Double click Floorbeam Definition Loads Floorbeam Definition Loads The user can add additional og load to the floorbeam other Ferrer than the load from the deck stringers etc that Virtis Uniform Distributed Concentrated automatically applies This load can be applied as uniform distributed or concentrated Load Case Name For this example no additional Uniform Load kip ft SIP Forms load is required Left
80. IONS TRUSSES I Tussi I Truss 2 Truss 1 FSG Floor System Geometry BRIDGE ALTERNATIVES 2 Left click the View Analysis Output icon 1 ill rows JEg 3 Double click Rating Results Report 0753 o 07323 S AS BUILT Truss Span 8 Truss 1 S Viris Truss LFD Live Load Analysis Detail Live Load Analysis Summary Dead Load Analysis Report Member Section Property Report F Panel Point Concurrent Forces Report LogFile LOAD RATING EXAMPLE 136 VIRGINIA DEPARTMENT OF SIMPLE SPAN STEEL TRUSS LOAD RATING EXAMPLE TRANSPORTATION 4 An Internet Explorer window will appear Scroll down to the Detailed Truss Member Rating Results See screen shots below for dead load forces live load forces impact factors capacities and live load distribution factors Dead Load Force Dis 1274p Notes 1 The dead load force will be the same for each vehicle Therefore record the DL force from any of the truck results displayed 2 Negative values are used for compression and positive values are used for tension in the Virtis output However the user should enter an absolute values into the Mathcad sheet LL Force Capacity One Multi Member Element Force Comp IE Tens IF Comp Tens bred e kip kip Inv 0506 Upper Chord 127 44 159 45 1122 596 47 0 61 1 65 2 76 159 45 122 596 47 0 61 1 65 2 76 159 45
81. LVANIZED 13 7 RDWY DRAWING NO SHEET ut __ WARRENTON TRUSS 16 8V2 16387 4 4 12 7 4 2 1 1 4 2 1 1 4 15 16 HOLES lt TOP FLANGE ONLY FLOORBEAM TOP FLANGE HOLE LAYOUT W18X55 6 GALVANIZED CVN 7 8 BOLTS 5229 T 91 5 15 16 8 STRINGER HOLES n v KNEE BRACE il s 1 P 1 2 x10 x449 4 re GAGE LINE pat STRINGER V gt tll c 2 LATERAL ROD ANCHOR Exc 5 7167 _ 18 55 FLOORBEAM SAME BOTH ENDS 00 00 N SS 10 33 4 21 2 33 4 E FLOORBEAM END PLATE DETAIL 10 ied 12 REQ D GALVANIZED 9 15 16 6 ST ET HOLES LATERAL ROD ANCHOR ANGLE LATERAL ROD ANCHOR PLATE 6 X4 X 1 2 P1 2 x 8 x 19 4 REQD 4 REQ D 15 16 9 HOLES 27 6 15 16 lt HOLES 1 27 X14 X14 CUT TRIANGULAR p Vo 97 2 x26 TRUSS BOTTOM p 1 2 10 39 CHORD 12 71 27 14 2 PCS 7 8 X 3 A325 B N W 5 1 2 PTS J S 7 2 15 16 2 X 1 1 4 SLOTTED HOLES IN P 1 2 x71 2 x14 END PANEL LATERAL ROD 172 Olu KNEE BRACKET DETAIL m 2 12 REQ D T m GALVANIZED p END PANEL LATERAL ROD ANCHOR DETAIL NOTE DRAWINGS RELATIVE DO NOT SCALE 4 4 16 16 8V2 FLOOR BEAM LENGTH 2 3 CES LATERAL ROD ANCH
82. Load Allowance Factors SUPERSTRUCTURE DEFINITIONS S Mri AS BUILT Truss Span a Impact Dynamic Load Allowance Load Case Description R Framing Plan Detail Structure Typical Section Superstructure Loads Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS TRUSSES FSG Floor System Geometry amp STRINGER UNIT LAYOUT Bg FLOORBEAM MEMBERS 8 I Floorbeam I Floorbeami FSR Floorbeam Stringer Reactions zd FLOORBEAM MEMBER ALTERMATIVES I Floorbeami E C Floorbeam2 Floorbeam3 Floorbeam4 Floorbeam5 Floorbeam Floorbeam 8 BRIDGE ALTERNATIVES ki Lu e bee e HH EE ER E DOT VE RSION 6 2 105 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 The Analysis Results Floorbeam1 window will appear Lane Impact Loading Type Report Type iv Requested Detailed Rating Results Summary Display Format Mutiple rating levels per row Mutiple rating levels per om perating les Seine Factor ventory Location Span Inventory Limit State ane Axle Load Axle Load Axle Load Axle Load I Permit 115 BP 115 Blanket Permit 90 BP 90 VA Type 3 VA Type 352 625 625 625 6 25 1 40 0 SERVICEABILITY STE 1 40 0 SERVICEABILITY STE 1 40 0 SERVICEABILITY STE 1 40 0 SERVICEABILITY STE 40 0
83. Load Case Description 15 Bridge Workspace 07323 Double click Load Case D cript 2 07323 to open the Load Case Description Materials window J Beam Shapes C Appurtenances a Impact Dynamic Load Allowance 3 Factors SUPERSTRUCTURE DEFINITIONS ber AS BUILT Truss Span a Impact Dynamic Load Allowance lt Load Case Description 4597 Framing Plan Detail Structure Typical Section Superstructure Loads 3 Connectors 1 Shear Connector Definitions Stiffener Definitions FHL Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS 2 TRUSSES FSG Floor System Geometry BRIDGE ALTERNATIVES a Load Case Description Bow EA Time E E l i Prestressed members only Add Default Load FERES Left click Add Default Load Case Descriptions to apply default load cases The default load cases include dead load DC1 acting on non composite section dead load DC2 acting on long term composite section dead load DW acting on long term composite section and stay in place forms acting on non composite section These default load cases can be edited and modified as desired VDOT m VERSION 6 2 ER SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Left click the OK button to accept and close epe Description Hod Prostrossed members only dd Default Load er Apply Cancel
84. Metric HS 20 44 FINAL STRUCTURE RATINGS Lane Impact Loading Type As Requested Detailed Display Format Single rating level per row Wednesday August 31 2011 13 26 vi As Requested As Requested HS20 44 Blanket Permit 115 BP 115 Invento Blanket Permit 115 115 0 j Wednesday August 31 20111 13 26 78 Wednesday August 31 2011 13 26 0 Wednesday August 31 2011 13 26 virti Requested 158 Requested j As Requested As Requested L As Requested As Requested nn Blanket Permit 90 BP 90 Inventory Wednesday August 31 2011 13 26 virti As Requested As Requested Blanket Permit 90 BP 90 Operating Wednesday August 31 2011 13 26 virti Requested Requested VA Type 3 WATE VA Type 352 inventory Wednesday August 31 2011 13 26 virti B Wednesday August 31 2011 13 26 virtis Wednesday August 31 2011 13 26 virti As Requested Requested SS egene As Bequesed As Requested As Requested VA Type 352 Operating Wednesday August 31 2011 13 26 virti As Requested Requested Show up to date results only WV DOT 35r VERSION 6 2 89 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 COMPLETING VDOT LFD RATING FORM Complete the information fields at the top portion of rating f
85. N STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 LINKING TRUSSES Both truss lines need to be defined For this example there is no deterioration and both truss lines are the same Therefore link the trusses However if the second truss line had deterioration different from the first input for the second truss would need to be repeated and modified as necessary this situation the user can copy the truss language from the truss input command window from Truss 1 to Truss 2 using the following process Open the truss input command window for Truss 1 Highlight all of the information Hit Ctrl C to copy the highlighted information Close the input command window for Truss 1 and open truss command window for Truss 2 Hit Ctrl V to paste the information from Truss 1 into Truss 2 Modify this information as required RED 5 Bridge Workspace 07323 For this example double click Truss 2 3 07323 28 Materials S Beam Shapes Prestress Beam Shapes Steel Beam Shapes I Shapes T W 12x30 W 18x55 W 12x50 12x26 Z3 Angles 3 1 Channels 8 Tees 1 Timber Beam Shapes 8 Appurtenances a Impact Dynamic Load Allowance H gg Factors BS SUPERSTRUCTURE DEFINITIONS pf AS BUILT Truss Span a Impact Dynamic Load Allowance lt Load Case Description 49 Framing Plan Detail pun Structure Typical Section skr Superstructure Loads gg Connectors Shear Connector Definit
86. NPUT VERSION 6 2 a Truss Floorbeam Stringer Floor System Superstructure Definition BAX Defi n ition Tab Analysis Engine Name AS BUILT Name AS BUILT Truss Span Truss Span Description Description No information required but user can input additional information or assumptions if Default Units US Customary 3 Main Member Span Deck type desired Number of main members 2 Lengths Along the Reference Line Main member number of spans 1 7 Default Units US Customary Main member configuration T rough v Number of stringers 4 T Member Alt Types Steel Stringers frame into floorbeam Number of stringer units OK Apply Cancel Number of main members 2 Main member number of spans 1 Main member configuration User can select Deck Half Deck or Through For this example select Through Number of stringers 4 Stringers frame into floorbeam Since the stringers bear on top of the floorbeams do not check the box Number of stringer units 7 Span Length This input is for the centerline of bearing to centerline of bearing distance Use 98 00 ft for this example Member Alt Types Check the Steel box Only available option VW DOT m VERSION 6 2 20 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Truss Floorbeam Stringer Floor System Superstructure Definition Joe Analysis Tab Engi Facto
87. ON 6 2 Steel I Shape mexi Name W 12x28 Rolled shape type W Shape O M Shape Description W 12 26 Imported from AISC Tables 1994 OS Shape O HP Shape Dimensions Properties in 03800 0 2300 in 6 4900 in Cr Cs Bridge Workspace 07323 M 07323 a Materials Beam Shapes H Beam Shapes Steel Beam Shapes I Shapes w 12x30 T w 18x55 definition amp 8 Timber Beam Shapes Appurtenances a Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS Channel t pe 9 American Stancard Description O Miscellaneous Dimension Properties Woks Left click OK to accept and close Double click the Channels folder to create a new channel The Steel Channel window will open Select American Standard as the Channel ad EV in Type Left click the Copy from Library window VERSION 6 2 Virginia Department of Transportation NDD 14 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Select C12x30 Steel 5 Selectio x t3 which will be Shape Designation C 12x 30 Library Unit System used for truss 9 Standard Osl members and Agency Defined GI US left click OK to accept and Shape Year Depth Load
88. OORBEAM MEMBERS BRIDGE ALTERNATIVES Bridge Workspace 07323 Double click Stringer Unit 1 Layout 07323 Materials amp gg Beam Shapes E Appurtenances A Impact Dynamic Load Allowance H pg Factors e SUPERSTRUCTURE DEFINITIONS E rf AS BUILT Truss Span Impact Dynamic Load Allowance d Load Case Description amp Framing Plan Detail Structure Typical Section xr Superstructure Loads amp 8 Connectors Shear Connector Definitions amp gg Stiffener Definitions FHL Floorbeam Member Locations H Eg STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS amp gg TRUSSES FSG Floor System Geometry STRINGER UNIT LAYOUT 8 SUL Stringer Unit 3 Layout SUL Stringer Unit 4 Layout SUL Stringer Unit 5 Layout SUL Stringer Unit 6 Layout SUL Stringer Unit 7 Layout FLOORBEAM MEMBERS BRIDGE ALTERNATIVES DOT RSIO N 6 2 s SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Stringer Unit Layout Stringer group definition Number of stringers in unit NDD Virginia Department of Transportation Mirrored status VERSION 6 2 o X Ensure that all the boxes in the Include in Analysis column for each stringer are checked Left click OK to accept and close Repeat for Stringer Units 2 through 7 61 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 STRINGER MEMBERS AND STRINGER MEMBER ALTERN
89. OR PLATE TYP FP NU _ 18 55__ L TOP FLANGE TYE 5 67 uar B C HOLE C HOLE LATERAL ROD ANCHOR LAYOUT 3 og gt 6 A 1 1 8 HOLES INTERIOR PANEL LATERAL ROD ANCHOR PLATE P 5 4 6 8 11 6 24 REQ D GALVANIZED 16 812 FLOOR BEAM LENGTH 12 51 2 W18X55 12 0 PANEL LENGTH 15 412 F F FLANGES W18X55 2 VIRGINIA DEPARTMENT OF TRANSPORTATION NC SO ANGLE CALC 13 208 S407 gu WORKING DRAWINGS HAVE BEEN REVIEWED IN ACCORDANCE Vom LENGTH CALC 12 29 18 04 18 0 1 2 qoo dar US 4706 REJECTED SEE REMARKS DATE O il OG LATERAL ROD LENGTHS REVIEWED BRENT SPRINKEL CULPEPER DIST BRIDGE ENGR 14 PCS 1 ROD 18 7 LONG WITH 6 THREAD EACH END ace 98 0 TRUSS BRIDGE 13 7 RDWY RT 645 OVER RAPPAHANNOCK RIVER VDOT PROJ NO 0645 030 6903 5 01 FAUQUIER COUNTY VIRGINIA DESIGN DRAWN DATE DRAWING NO 1 221 CHECK DATE FABRICATOR TRUSS l 3 opum rn ES ENARE OOA PNE RR 4 EAE 2 5 BAR 1 2 d e 17 SPACES 9 12 9 e HH EEE R E MK SNE VAGT JE NESET 5 8 9 X 6 ABUTMENT ANGLE D STUDS 1 REQ D GALVANIZED 13 4 NT ABUTMENT OVER ANGLE
90. OR STRUCTURES INSPECTION REPORT USED FOR THIS RATING 0306903 000000000007323 04 25 2008 ASSUMPTIONS COMMENTS BY LOAD RATING ENGINEER Bridge No 07323 One Simple Span Steel Pony Truss Bridge 1 Plan 286 07 was used for the analysis 2 An additional self load of 0 359 kip ft was applied to each truss to account for the gusset plates railing bolts etc Fictitious end floorbeams were modeled in the Virtis analysis file The vertical forces placed on the truss at the ends due to the fictitious floorbeams were then added to the truss input as an upward load since Virtis cannot handle a truss without an end floorbeam Latest version of this form is SB502 and is available on the VDOT Structure and Bridge web site under Useful Information 153 Page 2 of 2
91. ORBEAM MEMBERS BRIDGE ALTERNATIVES assigned to the stringer unit a mm n Hos Include floorbeams in unit references Checkbox Leave 5 the box unchecked since Siri E Unit Referenced fi Siri i Demon Mirar Grou Defnon Floorbeam0 and Floorbeam7 ee sepsis Msgr are fictitious as the stringers us rest directly on the abutment Incude floorbeams in unit references Unti 14 00 Pane I efl end nf structure Unit 14 00 Pane Fnd nf Previous Unit Unit3 14 00 Pane v End of Previous Unit n 10 Hans 0 10 Hanns 0 20 Hone 0 20 None 0 20 None 0 20 Hone 0 20 Hona Virtis will still calculate loads and distribute them accordingly However Floorbeam0 and Floorbeam7 will not be included in the uer e rating results Unt 1400 Pane End of Previous Unit Units 14 00 Pane v End of Previous Unit Unt 14 00 Pane v End of Previous Unit Unit 14 00 Pane v End of Previous Unit 4 e le lx lx x Ie Is le ke Stringer Group Definition Select 14 00 Panel for each stringer unit Unit Referenced from Left End of Superstructure or End of Previous Unit Select Left End of Structure for Unit 1 and End of Previous Unit for all other stringer units Distance to Stringer Group Definition Workpoint Enter the distance from the reference point selected in the Unit Referenced from column to t
92. Override L LRFD LFFD factors LFD factors LFFR factors Struclural Slab hickness Cansicer stiuctural slab thokness for rating Consicer stiuctural slab thokness for design Wearng Surface Cansicer wearing sur ace for rating Pansicer wearing surare fnr dasigr C Factor Override None selected Factor Override allows you to override the System Defaults library factors with a set of factors that have been entered for this bridge only Factor overrides will remain when files are imported into future versions of Virtis Unless factors specific to the bridge are required overrides are not recommended as they can prevent updates to System Defaults in future versions e g legal load SHV factors in the MBE Consider structural slab thickness for rating design Check this box if the structural slab thickness should be used to compute section properties for rating design If this box is not checked the rating design will use section properties computed from the total deck thickness Consider wearing surface thickness for rating design Check this box if the wearing surface should be added as a dead load If this box is not checked the rating design will not add the dead load from the wearing surface No input required for the Engine tab Left click OK to accept and close YY DOT VERSION 6 2 21 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 DEFINING LOAD CASES 1 i ouble click
93. R U S BRIDGE DRAWING NO WARRENTON SHEET TRUSS 6 OF 7 115 PDF created with ndfFactorv trial version www ndffactarv cam 20 1 1 1 2 1 1 2 9 91 4 9 9t 4 gt 6 91 2 6 91 2 gt 3 Lu Lu ELEV 100 2 7 BACKWALL Lu ER 10 3 10 3 STRINGER BEARING SEAT 6 6 6 6 TRUSS TRUSS ELEV 98 63 BEARING SEAT FLEV 98 29 ELEV 98 29 BEARING SEAT EL 98 71 EL 98 71 EL 98 63 EL 98 65 EL 98 29 EL 98 29 TRUSS BRG SEAT TRUSS BRG SEAT ABUTMENT B ELEVATION VIEW PIER 6 ELEVATION VIEW 15 73 C C_TRUSS PIER 6 PLAN VIEW gt C 84 DU ast Qu 10 012 10 012 _ 10 3 mine 9 91 4 9 91 4 a 52 x 2 0 A3 219 2 2 5 4 ANCHOR BOLTS TYP Sean 7 9146 o 7 9146 a I B ee 10 10 6 6 6 6 10 10 FACE BACKWALL a sails BRG PR z STRINGER BRG SEAT lt ae x e BRG o 0 FACE ABUTMENT c m PIER 2 107110 FAT S 197119 Go 511 16 3 SPACES 3 8 11 0 1983 11 08 b E 8 S o 1 1 4 ANCHOR BOLTS TYP ABUTMENT p PLAN VIEW NOTE WINGWALLS NOT SHOWN FOR CLARITY PLEASE REFER TO CONT
94. R Computed Stringer Reactions I usi amp Unit2 Stringer2 I Unit2 Stringer3 Unit2 Stringer4 SUL Stringer Unit 3 Layout SUL Stringer Unit 4 Layout SUL Stringer Unit 5 Layout SUL Stringer Unit 6 Layout SUL Stringer Unit 7 Layout FLOORBEAM MEMBERS amp gg BRIDGE ALTERNATIVES fBHdgWokspae 07323 LOAD RATING EXAMPLE 3 Change the report type to Dead Load Actions Then change the dead load case to retrieve the necessary dead load moments Dead Load Case Girder Weight 0 21 0 0000 0 0000 0 0000 0 0000 0 0000 0 0000 8 40 600 0 70 0 04 0 00 0 0000 9 80 70 0 0 62 0 08 0 00 0 0000 11 20 80 0 0 47 0 13 0 00 0 0000 12 60 90 0 0 26 017 0 00 0 0000 14 00 1000 0 00 0 21 0 00 0 21 0 0000 0 0000 0 0012 0 0022 0 0030 0 0036 0 0037 0 0036 0 0030 0 0022 0 0012 0 0000 BRASS GIRDER Version 6 00 03 Apr 14 2010 BRASS Export Version 6 2 0 3001 144 VIRGINIA DEPARTMENT OF SIMPLE SPAN STEEL TRUSS LOAD RATING EXAMPLE TRANSPORTATION STRINGERS Live Load Moments Design Vehicles Legal Vehicles Permit Vehicles 1 Change the report type to Live Load Actions Then change the live load and live load type Report Type Stage Live Load Live Load Type Live Load Actions Composite short term Stage 3 v HS 20 44 Axle Load Positive Negai say Pc Srl Negative Positive sc pe kip ft kip ft
95. RACT DRAWINGS FOR DETAILS 7 911 46 7 91 116 VIRGINIA DEPARTMENT OF TRANSPORTAT REVIEW OF WORKING DRAWINGS i WORKING DRAWINGS HAVE BEEN REVIEWED WED IN WITH SECTION 105 02 OF THE SPECIFICATIONS 2 NE BOLT BOLTS zi ANCHOR BOLT LAYOUT CORRECT AND RESUBMIT GC D RD MMC CE AME EDDA REVIEWED DRE AK DATE O 057 CULPEPER DIST BRIDGE ENGR INOJDATE REVISIONS BY 0725 05 woot revistons 98 0 TRUSS BRIDGE 13 7 RDWY RT 645 OVER RAPPAHANNOCK RIVER _ VDOT PROJ NO 0645 030 6903 SRO1 __ FAUQUIER COUNTY VIRGINIA 1 DESIGN DRAWN DATE DRAWING NO 4 4 e Ave so 2005 appenton SEET APPENDIX B PANEL POINT LOAD CALCULATION This process is required because floorbeams are not located at the abutments The stringers rest directly on the abutments rather than a floorbeam However a floorbeam must be placed at each panel point for Virtis to analyze the truss Therefore an upward force was placed at the end supports since ficticious floorbeams were placed at these loctions GA To calculate the panel Toe point load at the e locations of the fictitious EEE Pr 0 Us Customary floorbeams first open the bridge in the Bridge BI All Bridges Explorer
96. RINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS TRUSSES FSG Floor System Geometry BRIDGE ALTERNATIVES E E AS BUILT Truss Span SUPERSTRUCTURE ALTERNATIVES VDOT 5 edle SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Superstructure Alternative HER Alternative Name AS BUILT Truss Span Description Superstructure Definition AS BUILT Truss Span vi AS BUILT Truss Span None Alternative Name AS BUILT Truss Span Superstructure Definition Select AS BUILT Truss Span from the drop down menu Left click OK to accept and close THE INPUT FOR THE TRUSS SPAN BRIDGE ALTERNATIVE IS COMPLETE THE USER SHOULD NOW REFER TO APPENDIX AND APPENDIX TO UPDATE THE PANEL POINT LOAD AND THE ADDITIONAL SELF LOAD FOR THE TRUSS ONCE DONE THE INPUT FOR THE BRIDGE IS NOW COMPLETE QV DOT 35 VERSION 6 2 77 SIMPLE SPAN STEEL THROUGH TRUSS ANALYSIS 3 idge Tools Window Help PEI ee Meum BO Derema B Bridge Workspace 07323 07323 gm Materials amp Beam Shapes Appurtenances a Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS AS BUILT Truss Span 3 Impact Dynamic Load Allowance Ht Load Case Description R Framing Plan Detail Structure Typical Section xr Superstructure Loads Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam M
97. Requested As Requested As Requested The controlling force can be obtained from the Limit State column Fill in the rating form as appropriate See Appendix G for the completed rating form VERSION 6 2 Virginia Department of Transportation 106 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 COMPLETING THE RATING FORM ASSUMPTIONS COMMENTS VDO Virginia Department of Transportation Structure and Bridge LOAD RATING SUMMARY FORM FOR STRUCTURES 0306903 000000000007323 INSPECTION REPORT USED FOR THIS RATING 04 25 2008 ASSUMPTIONS COMMENTS BY LOAD RATING ENGINEER Bridge No 07323 One Simple Span Steel Pony Truss Bridge TRE vedo JD and latest inspection date can be found on the most recent inspection report 1 Plan 286 07 was used for the analysis 2 An additional self load of 0 359 kip ft was applied to each truss to account for the gusset plates railing bolts etc 3 Fictitious end floorbeams were modeled in the Virtis analysis file The vertical forces placed on the truss at the ends due to the fictitious floorbeams were then added to the truss input as an upward load since Virtis cannot handle a truss without an end floorbeam The second page of the rating form provides space for assumption and comments Some common assumptions and comments are for material strengths which plan was used wearing surface thicknesses and any deterioration or other changes applied t
98. SION 6 2 The Steel I Shape window will open Select W Shape as the Rolled Shape Type Left click the Copy from Library window 10 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Steel Shape Selection Shape Jesignaticn W 18 55 Library Unil System 9 Standard Cs amp gercy Defined GUS Skape Year Depth in Load lb ft fux fin W 183 35 1994 1770 35 00 57 63 Ww 18x 40 1994 1790 40 00 W 18x 46 1994 1806 46 00 BE MW 19 All 1994 1744 994 1811 1 24 w 18x 55 1994 1835 Ww 18s 1334 184 W 18x 76 1994 1821 86 1994 1839 s An orn AE LT 55 00 9E 2 1166 65 00 126 6 76 00 146 0 86 00 166 37 W 18x55 Description W 18x55 Imported from AISC Tables 1994 Dimensions Properties Rolled shape type w Shape O 5 Shape 07323 Materials B 8 Beam Shapes H Og Prestress Beam Shapes Steel Beam Shapes w 18 55 Angles Channels E Tees Timber Beam Shapes amp Appurtenances Impact Dynamic Load Allowance amp gg Factors 8 SUPERSTRUCTURE DEFINITIONS AS BUILT Truss Span Virginia Department of Transportation NDD Shape O HF Shape Select W18x55 which will be used for the floorbeams and left click OK to accept and close Left click OK to accept and close Hud
99. TRINGER MEMBER 0 Beam Shapes ALTERNATIVES folder Appurtenances a3 Impact Dynamic Load Allowance amp Factors SUPERSTRUCTURE DEFINITIONS J rf AS BUILT Truss Span a Impact Dynamic Load Allowance tt Load Case Description Framing Plan Detail pur Structure Typical Section Superstructure Loads Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations 7 STRINGER GROUP DEFINITION GEOMETRY 80 MEMBER DEFINITIONS amp fg TRUSSES B FSG Floor System Geometry g STRINGER UNIT LAYOUT SUL Stringer Unit 1 Layout CSR Computed Stringer Reactions E STRINGER MEMBERS I Uniti Stringer1 CSR Computed Stringer Reactions b anne t Uniti Stringer3 I Uniti Stringer4 SUL Stringer Unit 2 Layout SUL Stringer Unit 3 Layout SUL Stringer Unit 4 Layout SUL Stringer Unit 5 Layout SUL Stringer Unit 6 Layout SUL Stringer Unit 7 Layout amp J FLOORBEAM MEMBERS BRIDGE ALTERNATIVES EE E E a Stringer Member Alternative Ja 54 Since there is no Name Stringer Definition s1 ete ro rati on on Web Loss Flange Loss Bottom Flange Loss Top Cover Plate Loss Bottom Cover Plate Loss any of th stringers the Distance From ra NEM Analysis Locations and Loss tabs will not be used for the example Live Load Distribution WDO VE RSIO N 6 2 63 SIMPLE SPAN STEEL T
100. VDOT Simple Span Steel Through Truss Bridge As Built Model Only November 2011 Virtis V6 2 DETAILED EXAMPLE SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT AS BUILT MODEL ONLY Cover Sheet Table of Contents Bridge Information Material Properties Input Beam Shapes Impact and Factors Superstructure Definitions Truss Span Floorbeam Member Locations Stringer Group Definition Geometry Floorbeam Definitions Stringer Definitions Trusses Floor System Geometry Bridge Alternative Rating Bridge and Review the Output Completing VDOT LRFR Rating Form Appendix A Design Plans Appendix B Panel Point Load Calculation Appendix C Additional Self Load Calculation Appendix D Live Load Distribution Factor Calculation Appendix E Rating Factor and Tonnage Calculations for Truss Members Appendix F Rating Factor and Tonnage Calculations for Stringers Appendix G LFD Rating Form Page No 3 5 6 8 9 15 16 18 19 29 30 31 32 33 41 42 46 47 58 59 73 74 77 78 89 90 107 108 116 117 123 124 130 131 133 134 141 142 150 151 153 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Virtis Bridge Load Rating Version 6 2 0 Build date Sep 22 2010 Password DataSource Virtis62s_SOLServer m Cs Ce NYDOT om VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 CREATING A NEW BRIDGE B Explorer 68 Virtis bridges retrieved for the current folder all rows retrie
101. Y STI VA Type 3 Axle Load LFD 43 34 72 38 1 805 2 681 840 1 60 0 840 1 60 0 SERVICEABILITY STEEL SERVICEABILITY STI VA Type 35 sf Axle Load LFD 64 21 107 24 1 605 2 681 840 1 60 0 840 1 60 0 SERVICEABILITY STEEL SERVICEABILITY STI 3 m 2 BRASS GIRDER Version 6 00 03 Apr 14 2010 BRASS Export Version 6 2 0 3001 Close M Analysis Results U1S1 Report Type Lane Impact Loading Type Display Format Rating Results Summary vi As Requested Detailed Single rating level per row iLi Rating Rating Load Ratin Location Location ae eum Axle Load LFD Invent 45 11 1253 700 1 500 As Requested As Requested Axle Load LFD Opera 75 33 2083 700 1 500 Requested Requested LFD Invent 1 50 0 SERVICEABILITY STEEL As Requested As Requested Lane LFD Opera 1 50 0 SERVICEABILITY STEEL As Requested As Requested Axle Load LFD Invent 1 50 0 SERVICEABILITY STEEL As Requested As Requested Blanket Permit 115 BP 115 Axle Load LFD Opera 1 50 0 SERVICEABILITY STEEL Requested As Requested AxleLoad LFD Invent 1 60 0 SERVICEABILITY STEEL As Requested As Requested Blanket Permit 90 BP 90 Axle Load LFD Opera 1 60 0 SERVICEABILITY STEEL As Requested As Requested Axle Load LFD Invent 1 60 0 SERVICEABILITY STEEL As Requested As Requested Axle Load LFD Opera 72 38 2 681 8 40 1 60 0 As Requested As Requested Axle Loa
102. ab Name 51 Name S1 CDescition Dr actors Engine Control Options Description Material Type Stringer property input Stringer Type method User can either select Default Units US Customary m Schedule based or Cross Stinger property input method Additional Self Load Analysis Module Additional self load kip ft ASD BRASSASD v section based For schedule pease LFD BRASS LFD based the user defines the Ssg stringer in terms of a profile A Associate with stringer group definition 14 00 Panel O Enter stringer span lengths Tr Default rating method beam shape is selected and Number of spans uo then defined over a length For End Bearing Locati cross section based the user Right 5 defines unique cross sections and then defines the cross section over a certain length For this example select Schedule based ox Apply JI Cancel Additional Self Load User add additional self weight to the floorbeam either terms of kip ft or a percentage of the beam weight This can be used to account for bolts splices pin and hangers etc No input required for this example Analysis Module Only the BRASS ASD and BRASS LFD modules are available Stringer Span Lengths Select Associate with Stringer Group Definition and select 14 00 Panel from the drop down menu Default Rating Method LFD Virtis cannot analyze a truss in any other rating meth
103. and close 68 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 5 Bridge Workspace 07323 Vog Expand Unit 1 Stringer 4 and double click the STRINGER MEMBER ALTERNATIVES folder bei 5 Truss Span a Impact Dynamic Load Allowance lt Load Case Description R Framing Plan Detail Structure Typical Section zr Superstructure Loads E Connectors Shear Connector Definitions Stiffener Definitions FHL Floorbeam Member Locations a STRINGER GROUP DEFINITION GEOMETRY 21 29 Ol E SUL Stringer Unit 1 Lag CSR Computed Stringer Reactions S 88 STRINGER MEMBERS I Uniti Stringeri CSR Computed Stringer Reactions STRINGER MEMBER ALTERNATIVES I usi I Uniti Stringer2 CSR Computed Stringer Reactions STRINGER MEMBER ALTERNATIVES 152 I Uniti Stringer3 i CSR Computed Stringer Reactions STRINGER MEMBER ALTERNATIVES 153 I Uniti Stringer4 CSR Computed Stringer Reactions 1 STRINGER MEMBER ALTERNATIVES SUL Stringer Unit 2 Layout 71 18 Since there is no deterioration on any of the Distance Fro stringers the Analysis Locations and Loss tabs will not be used for the example WDO viene VE RSIO N 6 2 69 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Stringer Member Alternative BAXI U1S4 Stringer Definition 151 Analysis 1 Live Load Distri
104. ary SI Metric As Requested Detailed Jl Single rating level per row v E 07323 20 44 Inventory 1253 LFD 45 11 Wednesday August 31 2011 13 26 virtis AS Requested As Requested v LF HI 07323 HS 20 44 _ A Operating 2 093 LFD il 75 33 Wednesday August 31 201 1 13 26 1 As Requested As Requested JE 1 BG 07323 Blanket Permit 1 15 BP 115 Inventory 1 1 AT9 LFD 1 67 78 Wednesday August 31 2011 13 26 virtis As Requested Requested v fa 07323 Blanket Permit 115 BP 115 Operating 1 969 LFD 113 20 Wednesday August 31 2011 13 26 virtis Requested As Requested v 07323 Blanket Permit 90 BP 90 Inventory 1 231 LFD 55 41 Wednesday August 31 2011 13 26 virtis As Requested As Requested v FJ 07323 Blanket Permit 90 BP 90 Operating 2 056 LFD 92 53 Wednesday August 31 2011 13 26 virtis_ Requested Requested 07323 inventory 1 605 LFD 43 34 Wednesday August 31 2011 13 26 virtis As Requested 4 AsRequested v O 7323 Type 3 Operating 2681 LFD 72 38 Wednesday August 31 2011 1326 vits As Requested As Requested a 07323 3 352 Inventory 1 605 LFD 64 21 Wednesday August 31 2011 13 26 virtis Requested As Requested dw i B 07323 VA Type 352 Operating 2 681 LFD 107 24 Wednesday August 31 2011 13 26 virtis As Requeste
105. ate results only Left click the View Member Rating Results button WDO VE RSION 6 2 99 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 The Member Rating Results window will appear Select Multiple Rating Levels per Row from the Display Format drop down menu Double click the Operating Rating Factor column to sort the rating factors from smallest to greatest 5 2 Member Rating Results System of Units Lane lmpact Loading Type Display Format US Customary SI Metric As Requested CO Detailed Mutiple rating levels per row ote se e a a Esa 1 Structure Member Vehicle Rating Factor Rating Factor Rating Rating Capacity Capacity Capacity Capacity Location Location Kents Ratini Factor Factor Ton m Methe AS BUILT Truss Span Floorbeam1 Blanket Permit 6778 11320 825 LFD AS BULT Truss Span Floorbeam2 Blanket Permit 6778 11320 LFD AS BUILT Truss Span Floorbeam3 Blanket Permit 1 6778 11320 LFD AS BULT Truss Span Floorbeam4 Blanket Permit 969 67 78 11320 LFD AS BULT Truss Span Floorbeam Blanket Permit 67 78 11320 o AS BUILT Truss Span Floorbeam6 Permit f 6778 11320 LFD AS BULT Truss Span Unit1 Stringer1 Blanket Permit 69 51 LFD
106. bution web Loss Top Flange Loss Bottom Flange Loss Top Cover Plate Loss Bottom Cover Plate Loss Standard ps Distribution Factor Wheels oaded _Shear__ SupportShear Moment Deflection uiae Compute from Typical Sectio Action Moment ccs Start Distance Length End TE D BE ft ft ft nume Lane U1S4 Sign Deion sr T MEL S FIC Se ES Analysis Locations Live Load Distribution Web Loss Top Flange Loss Bottom Flange Loss Top Cover Plate Loss Bottom Cover Plate Loss JEG Standard Lanes Distribution Factor oaded Shear 0 806802 0 806802 0 806802 0 333333 Multi Lane 0 806802 0 806802 0 806802 0 333333 Mutti Lane Compute from Typical Section Action Moment v End Distance Distribution ESC Start Distance Length ft ft Repeat this process for all other Stringer Unit Layouts 2 through 7 VDOT 17m VERSION 6 2 Live Load Distribution Tab Name U1S4 i e Unit 1 Stringer 4 Left click the Compute from Typical Section button Left click OK to accept and close 70 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 FLOORBEAM MEMBERS 15 Bridge Workspace 07323 4M 07323 gg Materials X Beam Shapes amp Appurtenances a Impact Dynamic Load Allowance Factors 5 SUPERSTRUCTURE DEFINITIONS E
107. cations for Highway Bridges 1996 Sixteenth Edition including the 1997 and 1998 Interim Specifications Section 3 6 3 Fractional parts of design lanes shall not be used but roadway widths from 20 to 24 feet shall have two design lanes each equal to one half the roadway width Virginia Department QV DOT 517 VERSION 6 2 lt Distribution Factor for Deflection Single Lane Number of Lanes 1 lane Lane Width 12 feet Number of Trusses 2 Trusses DF for deflection 1 lane 2 trusses 0 500 Lanes Multi Lane Number of Lanes Curb to Curb Width Lane Width Round down Deflection Factor Lanes Trusses Load Intensity Reduction Number Load Intensity Deflection of Lanes Reduction Factor Lanes Note Load Intensity Reduction detemined from AASHTO Standard Specifications for Highway Bridges 16th Ed 3 12 1 Virginia Department DO VERSION 6 2 133 APPENDIX E RATING FACTOR AND TONNAGE CALCULATIONS FOR TRUSS MEMBERS VIRGINIA DEPARTMENT OF TRANSPORTATION SIMPLE SPAN STEEL TRUSS LOAD RATING EXAMPLE Virginia Department of Transportation NVDOT Overview The Purpose of this Mathcad sheet is to calculate rating factors and tonnages for vehicle configurations in the Virginia Department of Transportation Structure and Bridge Division s Instructional and Informational Memorandum IIM S amp B 27 6 This sheet does not provide any analysis calculations but only provide
108. ce Factors B SUPERSTRUCTURE DEFINITIONS AS BUILT Truss Span Impact Dynamic Load Allowance tt Load Case Description 459 Framing Plan Detail Structure Typical Section sk r Superstructure Loads Connectors Z3 Shear Connector Definitions C3 stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS TRUSSES FS6 Floor System Geometry S 8 STRINGER UNIT LAYOUT SUL Stringer Unit 1 Layout CSR Computed Stringer Reactions 8 STRINGER MEMBERS Uniti Stringer 1 CSR Computed Stringer Reactions STRINGER MEMBER ALTERNATIVES I visi S Uniti Stringer2 CSR Computed Stringer Reactions STRINGER MEMBER ALTERNATIVES I 152 S Uniti Stringer3 CSR Computed Stringer Reactions STRINGER MEMBER ALTERNATIVES I Uniti Stringer4 SUL Stringer Unit 2 Layout SUL Stringer Unit 3 Layout SUL Stringer Unit 4 Layout SUL Stringer Unit 5 Layout SUL Stringer Unit 6 Layout SUL Stringer Unit 7 Layout FLOORBEAM MEMBERS e 22 f 520052005 2005 Stringer Member Alternative JOE Since there is Stringer Definition fi sd deteri orati on on Live Load Distribution Web Loss Top Flange Loss Bottom Flange Loss Top Cover Plate Loss Bottom Cover Plate Loss any of th e stringers the Distance Fro pm Analysis Locations and Loss tabs will not be used for the example ADOT VERSION 6 2
109. ckness 73750 in Deck crack control parameter kipin Sustained modular ratio factor OK Apply Cancel NVDOT 51x VERSION 6 2 27 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Structure Typical Section Travelwa bh 5 Number Definition Reference Line At Start A ft ft ft Definition Reference Line At Start Definition Reference Line At End A Definition Reference Line At End B LRFD Fatigue Lanes available to trucks Override Truck fraction G Compute Lane Positions Distance From Distance From Distance From Distance From Left Edge of Right Edge of Left Edge of Right Edge of Travelway to Travelway to Travelway to Travelway to Travelway Superstructure Superstructure Superstructure Superstructure Definition Definition Definition Travelwa Definiton Reference Line Definition Reference Line At Start B At Erd A it C 679 6 79 679 6 79 Fatigue Lanes available to sucks Override Truck fraction New Dupicate Delete er Lane Position Tab Left click the Compute button Left click the Apply button Left click OK to accept and close 28 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Bridge Workspace 07323 Log Note User can view a schematic of the typical secti
110. d Requested Show up to date results only Show most recent results only View Structure Rating Results L Then left click the View Structure Rating Results window The Structure Rating Results window will appear Highlight the two rows Structure Rating Results 1 System of Units Lane Impact Loading Type Display Format US Customary SI Metric Requested Detailed rating level per row Rating Rating Capacity bat hd eal Inventory 1 605 LFD 2 43 34 Wednesday August 31 2011 13 virtis As Requested As Requested 72 38 Wednesday August 31 2011 13 virtis As Requested As Requested View Member Rating Results Show up to date results only Left click the View Member Rating Results button WDO amie eire VE RSION 6 2 93 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 The Member Rating Results window will appear Select Multiple Rating Levels per Row from the Display Format drop down menu Double click the Operating Rating Factor column to sort the rating factors from smallest to greatest 7 System of Units Lane Impact Loading Display Format OUS Customay O SI Metric DAsRequested Detaled Muliple rating levels per row Bridge idi Vehicle 72 s Fact pty Capacity case tre Location peal esed bee semble e mm AS BULT
111. d LFD Invent 64 21 1505 840 1 60 0 As Requested As Requested As Requested As Requested BRASS GIRDER Version 6 00 03 Apr 14 2010 BRASS Export Version 6 2 0 3001 Close The controlling force can be obtained from the Limit State column Fill in the rating form as appropriate See Appendix G for the completed rating form Left click the Close button WDOT zem VERSION 6 2 203 5 Bridge Workspace 07323 r SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 07323 H AE 1 Materials Beam Shapes Appurtenances a Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS For the permit vehicles the floorbeams controlled the rating Expand the folders to get to the Ef AS BUILT Truss Span fg BRIDGE ALTERNATIVES a Impact Dynamic Load Allowance tt Load Case Description Framing Plan Detail Structure Typical Section ze Superstructure Loads Connectors Shear Connector Definitions CJ stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS Z3 TRUSSES FSG Floor System Geometry STRINGER UNIT LAYOUT DMA pe HRS REPERI SUL Stringer Unit 1 Layout SUL Stringer Unit 2 Layout SUL Stringer Unit 3 Layout SUL Stringer Unit 4 Layout SUL Stringer Unit 5 Layout SUL Stringer Unit 6 Layout SUL Stringer Unit 7 Layout FLOORBEAM MEMBERS I Floorbeamo I Floorbeami FSR
112. ehicle Summary Vehicles Addio Rating Vehicles S Standard Rating B Inventory Altemate Military Loading HS 20 44 H1544 Blanket Permit 115 BP 115 H 20 44 Blanket Permit 90 BP 90 HS 15 44 VA Type 3 HS 20 51 Rennie Type 352 HS 20 44 from Operating Type 3 HS 20 44 3 3 Blanket Permit 115 BP 115 Type 352 Blanket Permit 90 BP 90 Agency Type 3 Blanket Permit 115 BP 115 VA Type 352 Blanket Permit 90 BP 30 BP 115 Cont Spans or gt 200 ft BP 90 Cont Spans or gt 200ft HS 20 Lane Load Only 5 20 HS 20 Truck Only LRFD Fatigue Truck for Rating Notional Rating Load NRL 504 505 506 i SU VA Type 3 sea Apply Jf Cancel Right click Truss 1 and select Analyze amp Materials amp Beam Shapes amp Appurtenances a Impact Dynamic Load Allowance 8 Factors S gg SUPERSTRUCTURE DEFINITIONS AS BUILT Truss Span Impact Dynamic Load Allowance tt Load Case Description Framing Plan Detail VT Structure Typical Section skr Superstructure Loads E Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS TRUSSES E I Truss2 Open For System ARE amp gg BRIDGE ALTERNATIVES Schematic Close Bridge Works
113. ember Locations STRINGER GROUP DEFINITION GEOMETRY m MEMBER DEFINITIONS TRUSSES FS6 Floor System Geometry Eg STRINGER UNIT LAYOUT 8 SUL Stringer Unit 1 Layout SUL Stringer Unit 2 Layout CSR Computed Stringer Reactions STRINGER MEMBERS I uUnit2 Stringer 1 CSR Computed Stringer Reactions EE mA tt I Unit2 Stringer3 Unit2 Stringer4 SUL Stringer Unit 3 Layout SUL Stringer Unit 4 Layout SUL Stringer Unit 5 Layout SUL Stringer Unit 6 Layout SUL Stringer Unit 7 Layout NYDDT VERSION 6 2 BRIDGE INPUT VERSION 6 2 The file is now ready to be analyzed The user can either analyze individual beams with the file open or analyze the entire bridge with the file closed To analyze an individual member highlight the MEMBER ALTERNATIVE of interest and left click the View Analysis Settings Icon 78 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 BR Settings Joe The Analysis Settings window Rating Method will appear Analysis Type Mem Either opena Standard O Advanced LEDE saved template ic Direction steps to create pem en U Temporary Vehicles Both directions one Vehicle Selection m Vehicle Summary Add to Vehicles 5 Rating Vehicles i Standard Rating Inventory On the Rating Alternate Military Loading Operating Method H 15 44 364 dropdown menu HS 1544 change the HS 20151 Remove
114. ested As Requested 07323 Blanket Permit 115 BP 115 Inventory 1 179 LFD 67 78 Wednesday August 31 2011 13 26 virtis As Requested Requested v i REI 07323 Blanket Permit 115 BP 115 Operating 1 969 LFD 113 20 Wednesday August 31 2011 13 26 virtis AsRequested AsRequested Mg I 07323 Blanket Permit 90 BP 90 Inventory 1 231 LFD 55 41 Wednesday August 31 2011 13 26 virtis Requested As Requested Li 07323 Blanket Permit 90 BP 90 2 056 LFD 92 53 Wednesday August 31 2011 13 26 virtis Requested Requested 4 07323 3 Inventory 1 605 LFD 43 34 Wednesday August 31 2011 13 26 virtis As Requested Requested v 0732 operating 2681 LFD 72 38 Wednesday August 31 2011 13 26 viris Requested AsRequested M 07323 vA Type 352 inventory 1 605 LFD 6421 Wednesday August 31 2011 1326 vitis Requested As Requested M 07323 352 operating 2681 LFD 107 24 Wednesday August 31 2011 13 26 Requested As Requested Show up to date results only Show most recent results only View Structure Rating Results Then left click the View Structure Rating Results window The Structure Rating Results window will appear Highlight the two rows Structure Rating Results i S
115. ew Design Review Public BEP HS 20 Rating Rating Public VDOT and left i Virtis new analysis event Rating Public Design Load Rating Design Load Rating Rating Public click the Open LAFR Legal Load Rating Legal Load Rating Rating Public b tt Virtis Engine CS 1 of 2 Virtis new analysis event Rating Public utton LRFR Engine CS 2 of 2 Virtis new analysis event Rating Public LRFR Virtis Engine 55 lt 20 Virtis new analysis event Rating Public LRFR Virtis Engine 55 gt 20 Virtis new analysis event Rating Public NVDCIT Ses VERSION 6 2 i SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Left click OK to accept the template Desin Review Rating Rating Method LFD and rate Analysis ype Stardard O dvanzed Vehicles Output Engine Description ETTE Refresh Tempcrary Vehicles Advanced Both direc ions Vehicle Selection Vehicle Summary 8 Vehicles Addio Rating Vehcles 5 Standard ilitary i HS 20 44 2 S Blanket Permit 115 8 115 H 20 44 Blanket Permit 90 BP 90 HS 15 44 VA Type 3 HS 20 51 VA Type 352 HS 20 44 Operating Type 3 HS 20 44 Type 3 3 Blanket Permit 115 115 Type 352 Blanket Permit 90 BP 90 Agency VA Type 3 Blanket Permit 15 BP 115 VA 352 Blanket Permit 30 90 115 Cont pans o gt 200 ft BP 30 Cont Spans or gt 200ft HS
116. from method to LFD HS 20 44 Type 3 Type 3 3 Type 352 Agency Blanket Permit 115 115 Blanket Permit 90 BP 90 BP 115 Cont Spans or gt 200 ft 90 Cont Spans or 200ft HS 20 Lane Load Only HS 20 T andem HS 20 Truck Only LRFD Fatigue Truck for Rating Notional Rating Load NRL 504 505 506 507 VA Type 3 VA Type 352 User Defined Pick Up Truck Temporary Analysis WDOT VEGENE SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Analysis Type Standard O Advanced Vehicles Output Engine Description Traffic Direction Both directions Vehicle Selection Vehicles Standard Alternate Military Loading H 15 44 H 20 44 HS 15 44 HS 20 51 Type 3 Type 3 3 Type 352 Blanket Permit 115 BP 115 Blanket Permit 90 BP S0 BP 115 Cont Spans or gt 200 ft BP 90 Cont Spans or gt 2008 HS 20 Lane Load Only HS 20 Tandem HS 20 Truck Only LAFD Fatigue Truck for Rating Notional Rating Load NRL 514 505 506 507 3 VA Type 352 User Defined Pick Up Truck Temporary Blanket Permit 90 90 Blanket Permit 115 115 VA Type 3 V Type 352 Operating HS 20 44 Blanket Permit 90 BP 30 Blanket Permit 115 BP 115 VA Type 3 VA Type 352 4 Repeat this process until all the vehicles are added Add the vehicles shown in the screen shot from the Vehicle Selection list This
117. he work point of the stringer group definition The work point of a stringer group definition is the intersection of the superstructure definition reference line and the first floorbeam of the stringer group definition assigned to this unit For this example enter 0 00 ft for each row Mirror Group Definition Select None for all stringer units Refer to the Virtis Opis Help screen for situations when mirroring is useful Include in Analysis Since all stringers are to be included in the analysis check each box Left click OK to accept and close NVDOT VERSION 6 2 59 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 STRINGER UNIT LAYOUT Expand the STRINGER UNIT LAYOUT folder 8 Beam Shapes amp 8 Appurtenances a Impact Dynamic Load Allowance S gg Factors E g SUPERSTRUCTURE DEFINITIONS E AS BUILT Truss Span a Impact Dynamic Load Allowance tt Load Case Description R Framing Plan Detail Structure Typical Section Superstructure Loads Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations 3 STRINGER GROUP DEFINITION GEOMETRY 80 MEMBER DEFINITIONS C3 TRUSSES FS6 Floor System Geometry a STRINGER UNIT LAYOUT SUL Stringer Unit 1 Layout SUL Stringer Unit 2 Layout SUL Stringer Unit 3 Layout SUL Stringer Unit 4 Layout SUL Stringer Unit 5 Layout SUL Stringer Unit 6 Layout SUL Stringer Unit 7 Layout FL
118. ibution Web Loss Top Flange Loss Bottom Flange Loss Top Cover Plate Loss Bottom Cover Plate Loss any of th stringers the Distance From Len End Analysis Virginia Department of Transportation NDD VERSION 6 2 Locations and Loss tabs will not be used for the example 65 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Live Load Distribution Tab ae Distribution Factor Name Ut 52 cases Shear T Suppor Sear Morem Detector i e Unit 1 Stringer 2 Compute from Typical Sectio Left click the iv Start Distance Length End Distance Compute from BE cars Typical Section button Left click OK to U1S2 Stinger Definition 51 i iv accept and close Analysis Locations Live Load Distribution Web Loss Top Flange Loss Bottom Flange Loss Top Cover Plate Loss Bottom Cover Plate Loss Standard Lanes Distribution Factor eels oaded Shear Support Shear Moment Deflection 0 523814 1 000000 0 523814 0 333333 0523814 _ 1000000 052381 01232323 i Distan Start Distance End ce Distribution Factor Lanes NVDOT RSIO N 6 2 66 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Bridge Workspace 07323 Expand Unit 1 Stringer and double s acm click the STRINGER MEMBER D sl ALTERNATIVES folder 8 Appurtenances a Impact Dynamic Load Allowan
119. id steel asphalt deck was used Equivalent Unit Weight 87kips 90kips 0 15 kcf Equivalent Unit Weight 0 144 kcf For input into VIRTIS for unit weight of deck material WDO rg ranko cree VE RSION 6 2 8 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 DEFINING BEAM SHAPES E Bridge Workspace 07323 Expand the Beam Shapes folder and the Steel Beam gg Materials a Structural Stee Double click the Shapes folder to create a new beam Tr definition Reinforcing Steel Prestress Strand S Eg Timber The following shapes will be added Beam Shapes X Og Prestress Beam Shapes 1 W 12x30 2 W 18x55 pet 3 W 12x50 annels Tees 4 W 12x26 1 Timber Beam Shapes 8 Appurtenances Impact Dynamic Load Allowance 1 Factors 8 SUPERSTRUCTURE DEFINITIONS AS BUILT Truss Span Steel I Shape JOE The Steel I Shape window will Rolled shape type open ge Select W Shape as the Rolled Dimensions Properties Shape Type Left click the Copy from Library window in Copy from Library OK Apply Cancel Steel Shape Selection Select W12x30 which will be used for the stringers and left click OK to ibrary nit System Shape Designation WW 12s 30 Ga Aa accept and close Agency Defined us Shape Year Depth in Load b f 314 w 12x 14 1934 11 91 14 00 14 88 J w 12x16
120. iled description of the Virtis truss command language The preceding link will open the VirtisTrussCommandLanguage pdf file If you do not have Adobe Acrobat Reader installed on your pc you will not be able to view this file Also in order to view this file it must be installed in the same directory as this help file Virtis Truss Method of Solution Virtis analyzes and rates trusses using the Virtis Truss analysis engine You cannot currently pick an alternate engine to perform the analysis The Virtis Truss analysis engine analyzes a finite element model of the truss and computes rating factors using the Load Factor method More information can be found in the Virtis Truss Method of Solution manual This manual contains a detailed description of the method of solution The preceding link will open the Virtis Truss Method Of Solution pdf file If you do not have Adobe Acrobat Reader installed on your you will not be able to view this file Also in order to view this file it must be installed in the same directory as this help file ADOT umm VEGENE SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 M Truss Jag Truss Left Truss v Truss Command Properties in DefaultSpsUnitType US Unit Command DefaultStruct Steel Grade 50 DefaultEndConnection Default System Unit Welded Type Command Material Type Steal Grade 50 Default Structural Steel Command Default End Connection Command
121. input 15 614583 ft Since the deck is not flared this value is valid at both the start and end of the bridge Stringer Spacing Stringer Spacing at the Start and End of Stringer 3 666667 ft for each stringer bay Since the deck is not flared this value is valid at both the start and end of the bridge Diaphragms Tab This example does not have diaphragms Therefore this tab can be left blank Click OK to accept and close NVDOT VERSION 6 2 25 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 STRUCTURE TYPICAL SECTION TE bridge Workspace 07323 Double click Structure Typical Section 07323 a Materials 8 Beam Shapes Og Appurtenances a Impact Dynamic Load Allowance gg Factors gg SUPERSTRUCTURE DEFINITIONS AS BUILT Truss Span a Impact Dynamic Load Allowance skr Superstructure Loads gg Connectors Structure Typical Section Deck Tab Distance from left edge of deck to i Distance from right edge of deck to 1 superstructure definition ref ine superstructure definition ref line Superstructure i 1 i hl Superstructure Definition Use the sketch TRI herpes when determining definition reference the proper input line is Select within the bridge deck from Deck Cont d Patapet Median Railing Generic Sidewalk Lane Position Wearing Surface the drop down menu Superstructure definition reference line is within the bridge deck
122. ions Og Stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY 1 MEMBER DEFINITIONS TRUSSES I Truss 1 VDOT 31 VERSION 6 2 a SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 oe Select Truss 1 from the Link with drop down Name Truss 2 Link with Truss 1 e Verify None menu Left click OK to accept and close Apply Cancel NYDOT VERSION 6 2 ze SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 FLOOR SYSTEM GEOMETRY Double click Floor System Geometry 77 Impact Dynamic Load Allowance tt Load Case Description Framing Plan Detail This window allows you to assign stringer group Structure Typical Section st r Superstructure Loads definitions to stringer units in a floor system 8 Connectors rr ins superstructure definition All stringer members 0 stiffener Definitions have a length of zero and are located at the FML Floorbeam Member Locations i 9 STRINGER GROUP DEFINITION GEOMETRY start of the superstructure prior to entering data n Lc in this window Once stringer group definitions I Truss 1 are assigned to stringer units in this window all I Truss 2 Truss 1 gt 5 FS6 Floor System Geometry stringer members will have a length and location EE STENGER UNIF LAYOUT as specified by the stringer group definition x FLO
123. is Detail Live Load Analysis Summary Member Section Property Report Rating Results Report Panel Point Maximum Forces Report Panel Point Concurrent Forces Report Log File An internet explorer window will open Scroll down to the support reactions for Deck DC Stringer Units DC Floorbeam DC and Self Weight DC Support Reactions Load Case Deck DC Load ID 1 Node X Force kip Y Force kip Z Force kip 1 0 000 21 465 0 000 Load Case Superstructure Stringer Units DC Load ID 2 Node X Force kip Y Force kip Z Force kip 1 0 000 2940 0 000 Load Case Superstructure Floorbeam DC Load ID 3 Node X Force kip Y Force kip Z Force kip 1 0 000 1 718 0 000 WY DOT 31 VERSION 6 2 129 Load Case SelfWeight DC Load ID 4 Node XForce kip Y Force kip Z Force kip 1 0 000 8 020 0 000 Calculate Misc Truss Wt using Total Wt from Design Plans Ibs From sheet 2 of 8 of plan 286 07 191 20 kips Since a fictitious floorbeam was placed at LO and 114 an upward force must be placed at these locations ID1 Deck 307i kips 102 Stringer 0 420 kips ID3 Floorbeam 0 429 kips Force at LO Upward Force 3 92 kips reaction at 1 support for 1 truss line Total 15 68 kips two trusses two supports ID1 Deck 21465 reaction at 1 support for 1 truss line 102 Stringer 2 940 kips reaction at 1 support fo
124. lf load of LVL the truss first open the EET dA R3 0 us Customary bridge the Bridge Explorer window i All Bridges LOA13 LOA14 LOA14 ALA LOA14 Slabs Rating Examples 122360 8 8 Sample Bridges 3 Deleted Bridges Left click View analysis settings 3 07323 Materials Beam Shapes Appurtenances a Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS Ej Wrf AS BUILT Truss Span a Impact Dynamic Load Allowance tt Load Case Description R Framing Plan Detail peor Structure Typical Section Superstructure Loads amp Connectors E Shear Connector Definitions H Stiffener Definitions FHL Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY H MEMBER DEFINITIONS S Eg TRUSSES I musst I Truss 2 Truss 1 FSG Floor System Geometry Ez BRIDGE ALTERNATIVES DOT RSION 6 2 125 Analysis Settings COE Left click the Open Template button Rating Method LFO v Analysis Type 2 Standard O Advanced Vehicles Output Engine Description L Traffic Direction 3 Bath disetions vi Temporary Vehicles Vehicle Selection Vehicle Summary S Vehicles Addto Rating Vehicles Standard Rating Inventory Alternate Military Loading Operating H 1544 H 20 44 HS 15 44 R HS 20 51 say HS 20 44 3 Ana
125. llowance amp gg Factors SUPERSTRUCTURE DEFINITIONS AS BUILT Truss Span 3 Impact Dynamic Load Allowance 44 Load Case Description amp Framing Plan Detail Structure Typical Section zr Superstructure Loads Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY 9 MEMBER DEFINITIONS TRUSSES FSG Floor System Geometry BRIDGE ALTERNATIVES AS BUILT C bi bi EH bt eH se VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Superstructure Imgg Superstructure Name AS BUILT Supeistructure Marne AS BUILT Tres Span Truss Span Description Altematives Vehcle Path Engine ae Left click OK to ae accept and close Refsisnos Line RN Distanca in __ Offset fl L dt lam Angl 500 Degrees Starting Statins fl 07323 Double click SUPERSTRUCTURE 8 Materials sen ALTERNATIVES 8 Appurtenances a Impact Dynamic Load Allowance 8 Factors SUPERSTRUCTURE DEFINITIONS AS BUILT Truss Span a Impact Dynamic Load Allowance d Load Case Description amp Framing Plan Detail Structure Typical Section dr Superstructure Loads Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations ST
126. load follow through with the load calculation in Appendix B and then insert the result into the truss input command window NYDOT VERSION 6 2 53 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 4 Truss Jog Mame Truss 1 Link with U2U3U2U3EP1_TC1 03040304 EP U4U5 U4 LIS EPT TCI USUE US UG EP1 TCI TCI U7U8 U7 TCI Additional Self Load Command The TCC user can define an additional self load 010011 U10 U11 ERY TET to the truss as a distributed load See 011012011 LH2EPT TCI Appendix C for an example calculation 012013012 013 EP1 UT3L14 U13 L14 TCI Lau Le uai p1 L4U4 L4 U4 V1 Di LEUE LE 1 D1 Laug L8 ugv1 01 EE LTD HO L1 LIO VI Di Live L oad Distribution Command The L12012 L12 U2 V1 D user can define an additional self load to the truss as a distributed load See E T 7 Appendix D for an example calculation UNA UILAVT D1 L4U5 L4 US VI D1 USLE U5 LE VI D1 LeU LE LI VI D1 U7 L8 V1 D1 Tr L8U9 LB LIB V1 D1 Distribution 191101911091 D1 Factor for Force L10011 LID UTTATT D1 UTTL12 011 L12 V1 D1 TUE L12U13 L12 LI 13 V1 D1 OneLane or Distribution Factor MultiLane for Deflection Support LO Pinned L14 Roller PanelPointLoad LO DC 0 0 3 32 L14 DC 0 0 3 92 AdditionalSeliLoad 0 359 OneLane 0 615 0 50 EUM MultiLane 0 615 0 50 0 615 0 50 Note The additional self
127. load will not be initially known Rather analyze the truss once with an additional self load of 0 000 kip ft follow through with the calculation in Appendix C and then insert the calculated distributed self load into the truss input command window AY DOT 22 VERSION 6 2 54 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 x Truss Left click the Verify Mame Truss 1 Link with None UzLBU LB8WVi D1 L8J8L8LI3V1 D1 USL10US L10 1 D1 L10011 L10 U11 V1 DT U11L12U11 L12Y1 D1 Li2Uu13L12U13V1 Suppart LO Pinned L14 Roller PanelPointLoad L DC 0 0 3 82 114 DE 0 0 3 92 AdditionalSelfLoad 0 359 LLD istribution OneLane 0 615 0 50 MultiLane 0 615 0 50 Ln 108 button to verify the data Truss Command Verification Several warnings will Total Number of Messages 6 Nunber of Information Messages 0 Number of Warning Messages 6 Number of Error Messages 0 Number of Validation Error Messages 0 WARNING ModelType command skipped WARNING DefaultHemConnection command skipped WARNING SectionType command skipped WARNING Symmetry command skipped WARNING MemberEccen command skipped WARNING MemberOfInterest command skipped Truss Input Verified Truss Data Validated appear as shown but they are all commands that are not necessary for this example If any errors appear the user
128. lp an 2 2 maumea i ee Bridge Workspace 07323 Left click the View analysis report icon 07323 Materials Beam Shapes Appurtenances a Impact Dynamic Load Allowance amp 8 Factors SUPERSTRUCTURE DEFINITIONS Ci AS BUILT Truss Span a Impact Dynamic Load Allowance d Load Case Description amp Framing Plan Detail Structure Typical Section zr Superstructure Loads E Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS TRUSSES FSG Floor System Geometry S Eg STRINGER UNIT LAYOUT SUL Stringer Unit 1 Layout SUL Stringer Unit 2 Layout CSR Computed Stringer Reactions STRINGER MEMBERS S I Unit2 Stringer1 CSR Computed Stringer Reactions C STRINGER MEMBER ALTERNATIVES I Unit2 Stringer2 The Analysis Results window will appear To view a more compact version of the results select Single rating level per row under the Display Format Window Analysis Results U2S1 Job Lane Impact Loading Type ee Results Summary As Requested Detailed Display Format Mutiple rating levels per row Mane EXT levels TOW Operating Limit State 1 50 0 1 50 0 SERVICEABILITY STEEL SERVICEABILITY STEEL As Requested As Requested Ee Lane LFD 107 24 1784 2979 700 1 50 0 7 00 1 50 0 SERVICEABILITY
129. lysis Type 3 3 lt lt 352 lt Agency Blanket Permit 115 115 Blanket Permit 90 BP 30 115 Cont Spans or gt 200 ft BP 90 Cont Spans or gt 200 t 5 204 Load Only 5 20 andem HS 20 T ruck Only LRFD Fatigue Truck for Rating Notional Rating Load NRL 514 505 506 507 V Type 3 V Type 352 S User Defined Pick Up Truck Temporary Open Template Templates Description Analysis Owner Public Prey HL 33 Desicn Review HL 33 Design Review Design Aeview Fubli H5 20 Rating H5 20 Rating Rating Fubli Virtig new analysis event Rating Fubli Design Load Rating Cesign Load Rating Hating R R 1 nad Rang Legal I nad Rating Rating LR H Virtis Engine C5 1 of 2 Virtis new analysis event Rating Virtis Engine CS 2of2 Vitis new analysis event Rating LR H Virtis Engine 55 20 Virtis new analisis event Rating Virtis Engine 55 gt 20 Virtis new analysis event Rating Left click the LFD VDOT template and then left click the Open button e Left click the OK button to accept and close Design Review Rating Analysis Type Standard O Advanced Vehicles Output Engine Description Traffic Direction Both directions Refresh Temporary Vehicles Advanced Vehicle Selection V
130. lysis Event Truck Legal Load Single Unit Truck Analysis Prog ress SPECIAL TRUCK 6 6 000 10 000 8 500 4 000 window when the SPECIAL TRUCK 6 8 500 33 000 8 500 4 000 BPECIALTRUCK 6 0 500 4 analysis is complete Truck Legal Load Truck and Semi Trail v 0151 WARNING High The BRASS export does not support the lateral wind bracing height used on the DESIGN command DESIGN 3 1 COMMENT LFD Load Levels COMMENT Using system default LFD factors INVENTORY 1 300 1 000 1 670 1 000 1 000 1 000 OPERATING 1 000 1 000 1 670 1 000 1 000 1 000 POSTING 1 300 1 000 1 000 1 000 1 000 1 000 SAFE LOAD 1 000 1 000 1 000 1 000 1 000 1 000 STEEL BRG CONTROL 0 Data file successfully exported Analysis completed View Rating Log b Highlight 0161 E C and left click B E amp Eh lf IB BES lie the View Analysis Report icon Bridge Workspace 07323 BAX 4M 07323 gg Materials Beam Shapes Appurtenances Impact Dynamic Load Allowance Factors CJ SUPERSTRUCTURE DEFINITIONS S Ari AS BUILT Truss Span a Impact Dynamic Load Allowance t Load Case Description R Framing Plan Detail md Structure Typical Section zx Superstructure Loads amp 1 Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations 4 STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS TRUSSES FS6
131. m tensile strergth Fu 65 000 ksi Zoeficiert of thermal expansion O 0000065000 4 Dersity 0 4200 ket Modulus of elasticity E 29000 0 pee Copy tom Libra Cancel Bridge Workspace 07323 y 07323 C Prestress Strand J Timber Beam Shapes C Appurtenances Impact Dynamic Load Allowance Og Factors SUPERSTRUCTURE DEFINITIONS BRIDGE ALTERNATIVES i 9 8 Bridge Materials Concrete BAX Name Description Compressive strength at 28 days ksi Initial compressive strength ksi Coefficient of thermal expansion 0 0000060000 Density for dead loads Density for modulus of elasticity kef Modulus of elasticity Ec ksi Initial modulus of elasticity ksi Poisson s ratio 9 200 Composition of concrete Normal Modulus of rupture ksi Shear factor 1 000 C WV DOT VERSION 6 2 Left click the appropriate structural steel properties and left click the OK Button to accept Left click OK to accept and close Repeat the process for Concrete Double click Concrete to open the Bridge Materials 3 pg Materials ce Og Structural Steel Concrete Window Grade 50 C Concrete Since the deck is a corrugated steel floor with asphalt Reinforcing Steel surfacing and is non composite with the stringers only the density of the concrete for
132. marked as Completely Defined but no superstructure definitions definec Warning Existing bridge alternative not defined for bridge Warning Current bridge alternative not defined for bridge Warning No bridge alternatives defined Cancel Save operation Left click the Save icon and the Bridge Validation window will appear Left click Continue Saving to finish the save process VDOT Virginia Department of Transportation VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 SELECTING MATERIAL PROPERTIES Bridge Workspace 07323 Expand the Materials folder 307323 Double click Structural Steel to open the Bridge 5 Materials Materials Steel Window Structural Steel J Concrete Reinforcing Steel Prestress Strand Timber Bridge Materials Structural Steel BAX Copy from Library Button Opens the Library Description Materials Structural Steel window allowing you to copy a set of structural steel Specified minimum yield strength Fy material properties from the Specified minimum tensile strength Fu 1 library to this window Coefficient of thermal expansion Density Modulus of elasticity ee Cie Library Data Materials Structural Steel Jod SOS EG Grade 100W gt 2 5 to 4 incl AASHTO Standa US Cu 90 00 100 0 0 000 0 4900 29000 00 Grade 100W lt 2 5 AASHTO M Standa US 100
133. n Truss 1 HS 20 44 1791 2 990 6446 10765 0 00 0 00 LFD V Show up to date results only By observation the exterior stringers control the rating Inventory Operating Legal Permit Inventory Operating 7 A Inventory Operating Legal Permit 5 x Bridge Id Structure Member Vehicle 3 2 ctor Capacity Capacity Capacity Capacity Location Location Rating Factor Rating Factor Rating Factor Rating Fa Ton Ton Ton ft ft 07323 AS BUILT Truss Span Unit1 Stringer1 HS 20 44 1 253 2 093 45 11 75 33 7 00 7 00 07322 AS BULT Truss Span Unit1 Stringer4 HS 20 44 1 253 2 093 4511 7533 700 7 00 cons RATING CONTROLLING CONTROLLING CONTROLLING ONS pr EE FT p HS 20 INV E raner Ext Stringers rm HS 20 OPR 36 75 Ext Stringers 70 Left Click the Close button for the Member Rating Results and the Structure Rating Results windows WDO VE RSION 6 2 92 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 LEGAL LOAD VA TYPE 3 ee RATING CONTROLLING CONTROLLING CONTROLLING ONS VA Type 3 VA 352 LANE To fill out the rating information for the VA Type 3 vehicle first highlight the VA Type 3 rows in the Bridge Rating Results window Bridge Rating Results 7 System of Units Lane Impact Loading Type Display Format US Custom
134. ng Plan Detail Structure Typical Section Superstructure Loads amp gg Connectors Shear Connector Definitions S Stiffener Definitions FHL Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY HE 14 00 Panel amp MEMBER DEFINITIONS S 8 TRUSSES I Truss 2 E FSG Floor System Geometry BRIDGE ALTERNATIVES a Truss X Bex The Truss Input Command Name Truss 1 Link with None window will appear All input for the truss will be in this window The user can check their work by left clicking the Verify button A window indicating warnings and errors will appear which will direct the user on which if any input needs revised Clicking Verify at this point will result with a window en stating Please enter truss description Left click OK WDOT urin VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 The user can view the Virtis Truss Command Language User Manual and the Virtis Truss Method e of Solution by left clicking the Help icon when the Help E om d L3 truss input window is open and then following the links on the help window aa eo HET This window allows you to provide a description ofa truss using the Virtis Opis truss command language Enter the required information and click the OK button Virtis Truss Command Lanquage User Manual This manual contains a deta
135. nized Concrete in prestressed members shall be Class A5 Concrete in substructure shall be Class 3 Deformed reinforcing bars shall conform to ASTM A615 Grade 60 tie bars in piles may be Grade 40 All reinforcing bar dimensions on the detailed drawings are to centers of bars except where otherwise noted and are subject to fabrication and construction tolerances Bridge No of existing structure is 6903 No existing plans available Prestressed concrete deck shall be waterproofed in accordance with the requirements of Sec 405 and Sec 416 The existing structure is designated a structure accordance with Sec 411 B M PRELIMIN AR Y COMMONWEALTH OF VIRGINIA DEPARTMENT OF TRANSPORTATION PROPOSED SUPERSTRUCTURE REPLACEMENT RTE 645 OVER RAPPAHANNOCK RIVER FAUQUIER RAPPAHANNOCK COUNTY LINE PROJ 0645 030 6903 SROI Recommended for Approval 2 222222 Approved 286 OF Date Dec 28 2004 2004 Commonwealth of Virginia Sheet ai 6 y 3 8 C C TRUSS 13 7 CLEAR ROADWAY WIDTH 6 4 STRINGERS 3 SPACES 3 8 11 0 6 3 16 2 PCS 82 x 2 525 B N W TRUSS SHOE REACTION 2 RES 7 8 X 244 5 GA 3 X 9 GALVANIZED A325 BNW l CORRUGATED STEEL FLOOR aoa A S TM A 570 STEEL SHEET P GUARDRAIL SECTION MODULUS 3 288 IN FT 15 N GUARDRAIL
136. o the structure If the current inspection report indicates that there is deterioration the user will have to create an IR inspection report structure in addition to the AS BUILT For truss spans the typical deterioration that warrants an IR structure is section loss to the stringers floorbeams or truss members RATING FOR THE BRIDGE IS NOW COMPLETE NYDOT VERSION 6 2 APPENDIX A DESIGN PLANS 050111 528607001 End of Bridge Beginning of Bridge Back of Backwall End of Slab 2817 5 0 0 Gradient SN NNN Finished Grade OG Ge GE FE ESSE Teese gt sme 9 9 T Span a Normal Water ABUTMENT A PIER PIER 2 PIER 3 PIER 4 PIER 5 PIER 6 ABUTMENT B Profile on 6 ELEVATION Section on Scale Vg 1 0 End of Slab Face of Backwall ADU ERE A 30 1054 30 134 30 0 30 0 30 0 29 17 100 0 DE o Pier Pier 2 Pier 3 Pier 4 Pier 5 Pier 6 ana na To Rte 647 Rte 645 Rte 211 w w u 2p PLAN Scale Vg 1 0 13 7 Face of Rail Face of Rail Bridge Point of Finished Grade amp Face of Rail Face of Rail 172 Typa Asphalt Brid x Concrete ridge 1 a 2 Point of Finished Grade ole Va per ft Typ Yo Typ 3 4 Asphalt Concrete l per ft Typ Overlay E m FF s
137. od End Bearing Location User can enter the distance from the centerline of the end bearing to the beginning or end of the stringer This value is used to determine the total length of the stringer definition Leave these fields blank for this example since the stringer supports were defined as Simple for the floorbeam profile Input for the Factors Engine and Control Options tabs is not required Left click OK to accept and close VW DOT m VERSION OA is SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 STRINGER PROFILE E prey lt n RE Similar to the Floorbeam Profile input for Stringer Definition Loads Supports Default Materials Structure Typical Section Impact Dynamic Load Allowance and Splice D t Locations does not need to be changed Z3 Shear Connector Definitions amp Stiffener Definitions z Therefore double click Stringer Profile E STRINGER GROUP DEFINITION GEOMETRY HE 14 00 Panel MEMBER DEFINITIONS Bg FLOORBEAM DEFINITIONS 8 I fg STRINGER DEFINITIONS B 51 Stringer Definition Loads Supports Default Materials a Impact Dynamic Load Allowance Splice Locations FA Deck Profile FA Haunch Profile E Lateral Support Stiffener Ranges gg Bearing Stiffener Locations Z3 Points of Interest Stringer Profile Shape Tab Dr Cover Flate Bottom Cover Plate Start End Shape Distance
138. on by right clicking the Structure Typical ET Section and selecting Schematic Z3 Beam Shapes Prestress Beam Shapes Steel Beam Shapes nj Timber Beam Shapes a Appurtenances occ 3 Impact Dynamic Load Allowance Factors 3 SUPERSTRUCTURE DEFINITIONS B AS BUILT Truss Span Pe Impact Dynamic Load Allowance Load Case Description AE Framing Plan Detail tti Open Schematic Close Bridge Workspace 07323 07323 AS BUILT Truss Span Tapps Ford Road Rappahannock Road 09 221 1 3 16 13 7 1 3 16 4 7 Deck Thickness 5 3 8 3 11 16 3 8 2 311418 15 7 3 8 Notes The truss members are not drawn to scale NYDOT 51 VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 FLOORBEAM MEMBER LOCATIONS Bridge Workspace 07323 Double click Floorbeam Member Locations 407323 Materials Beam Shapes Appurtenances m Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS pf AS BUILT Truss Span a Impact Dynamic Load Allowance 44 Load Case Description Framing Plan Detail Structure Typical Section gt Superstructure Loads amp fgg Connectors Shear Connector Definitions EE Oe 0 STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS W 80 TRUSSES amp j FSG Floor System Geometry Z3 BRIDGE ALTERNATIVES Floo
139. orm Information can be obtained from the current inspection report for the bridge VDO Virginia Department of Transportation Structure and Bridge 00645 Tapps Ford Road Over Rappahannock River Va Str No 6903 Fed ID 07323 County Fauquier District Culpeper Rated By Date 08 01 11 Checked By XYZ Date 08 17 11 Signature VDOT Reviewer Name Calculation Tools Method Used Virtis 6 2 BRASS LFD Engine Basis for Rating The VDOT Reviewer field should be left blank The box in the upper right hand corner of the rating form is for the seal and signature of a professional engineer licensed in the state of Virginia WDO RSION 6 2 90 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 DESIGN LOAD HS 20 RATING CONTROLLING CONTROLLING CONTROLLING ONS MEMBERS LOCATION FT FORCE HS 20 INV p po qo ee 2 HS 20 OPR O To fill out the rating information for the HS 20 vehicle first highlight the HS 20 44 rows in the Bridge Rating Results window Bridge Rating Results 7 System of Units Lane Impact Loading Type Display Format US Customay SI Metric AsRequested Detailed Single rating level per tow gt v BES ME HS 20 44 1 253 ED 4541 Wednesday August 31 2011 13 26 virtis As Requested As Requested v i HS2044 Eg 2 093 LFD 75 33 Wednesday August 31 2011 13 26 Requ
140. pace WDOT zm VERSENE Ej Analysis Event if Truss 1 FEA Creating nodes FEA Creating elerrents FEA Creating constraints FEA Adding load cases Verifying firite element model Performing linear so ution Successful finite element analysis Curnpuling Raling Facturs Writing Rating Reports Whiting dead load analysis report Whiting truss member section property report Whiting truss rating results report Whiting truss panel point maximum forces report Writing truss panel point concurrent forces report Info Analysis completed ral View Rating Log Output icon S Materials amp gg Beam Shapes Appurtenances Impact Dynamic Load Allowance E Factors SUPERSTRUCTURE DEFINITIONS bf AS BUILT Truss Span Impact Dynamic Load Allowance dt Load Case Description Framing Plan Detail Structure Typical Section skr Superstructure Loads amp Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations E STRINGER GROUP DEFINITION GEOMETRY E DOT Virginia Department VE RSIO N 6 2 of Transportation Let the analysis complete and left click OK to close Highlight Truss 1 and left click the View Analysis 128 07323 Jet Double click Dead Load Analysis Report 07323 amp AS BUILT Truss Span amp Truss 1 2 Viris Truss Live Load Analys
141. pt and close Shape Select W18x55 from the drop down menu Start Distance 0 00 ft Length 15 614583 ft Material Select Grade 50 from the drop down menu Since there are no top or bottom cover plates the other tabs can be ignored Since the top flange of the floorbeams is not laterally supported and there are no web stiffeners the input for the floorbeam definition is complete Based on the plans there is only one floorbeam definition required Virginia Department of Transportation VERSION 6 2 41 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 MEMBER DEFINITIONS STRINGER DEFINITIONS krf AS BUILT Truss Span a Impact Dynamic Load Allowance it Load Case Description R Framing Plan Detail Structure Typical Section gt Superstructure Loads 8 Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations C3 STRINGER GROUP DEFINITION GEOMETRY HE 14 00 Panel Double click STRINGER DEFINITIONS MEMBER DEFINITIONS FLOORBEAM DEFINITIONS 1 FSG Floor System Geometry E Select the material Steel is the only available New Stringer Definition option Material Tyre Select Rolled from the Girder Type drop down menu NYDOT VERSION 6 2 i SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Stringer Definition Description T
142. r 1 truss line 103 Floorbeam 1 718 kips reaction at 1 support for 1 truss line ID4 Self Weight kips reaction at 1 support for 1 truss line Total 34 14 kips reaction at 1 support for 1 truss line Total 136 57 kips two trusses two supports Total 136 57 15 68 120 89 kip Total 191 20 120 89 70 31 kips Distributed to each truss 35 15 kips Length of Truss 98 00 ft Additional Self Load 0 3590 k ft The additional self load will be entered into the Additional Self Load Command in the Truss Input Command window as shown on page 54 ADOT VERSION 6 2 aid APPENDIX D LIVE LOAD DISTRIBUTION FACTOR CALCULATION Truss Distribution Factors Calculation Distribution Factor for Force E LANE 1 a LANE 2 CL 51 gt at 52 gt S3 gt CL T1 T2 11 l i y y y y LOCATION 1 LOCATION 2 gt le LOCATION 3 gt a LOCATION 4 gt Spacing S P1 Location 2 ft from face of barrier Spacing 2 52 P3 Location lanes are less than 12ft location of P3 will be 2ft from edge of lane 1 Reduction in Load Intensity 1 AASHTO LFD 3 12 1 1lane 1 229 WHEELS 1lane 0 615 AXLES Virtis Input Reduction in Load Intensity 1 AASHTO LFD 3 12 1 2laneDF 1 229 WHEELS 2lane DF 0 615 AXLES Virtis Input AASHTO Standard Specifi
143. rbeam Member Locations Left click Floorbeam Location Wizard Floorbeam aa Offset Location Skew Name 081800 f f Degrees Fioorbeam Location Wizard E3 The Floorbeam Location Wizard window will appear Prefix for system to use when naming generated floorbeams Floorbeam Left click the New button Floorbeam Spacing Start Distance Number Spacing Di ft of Spaces ft eS NVDOT VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 Floorbeam Location Wizard amp 3 Frefix for system to use when naming generated floorbeams Floorbea Floorbeam Spacing Spacing ft 14 00 98 00 New Duplicate Delete Floorbeam Member Locations Fhorbeam I JEGER Offset Location Skew Name ft ft Degrees 0 00 14 00 14 00 0 0000 2 14 00 14 00 28 00 0 0000 28 00 14 00 42 00 0 0000 Ficorbeam4 42 00 14 00 56 00 0 0000 Ficorbeams 56 00 14 00 70 00 0 0000 Ficorbeam 70 00 14 00 84 00 0 0000 Flcorbeam7 84 00 14 00 98 00 0 0000 0 Floorbeam Location Wizard Duplicate Delets Ok Apply Cancel Floorbeam Member Locations Offset Location Skew ft ft Degrees 14 00 14 00 0 0000 Floorbeam2 14 00 14 00 2
144. s FEA Creating elements FEA Creating constraints FEA Adding load cases Verifying firite element model Performing linear so ution Successful finite element analysis Computing Rating Factors Writing Rating Reports Whiting dead load analysis report Whiting truss member section property report Writing truss rating results rcport Whiting truss panel point maximum forces report Whiting truss panel point concurrent forces report Info Analysis completed View Rating Lag Help Let the analysis complete and left click OK to close Highlight Truss 1 and left click the View analysis B i output icon 8 me 07323 Materials Beam Shapes Appurtenances a Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS E Wi AS BUILT Truss Span a Impact Dynamic Load Allowance Ht Load Case Description R Framing Plan Detail Structure Typical Section sr Superstructure Loads Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations 8 STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS TRUSSES I sn NVDOT 5m 121 Peis Double click Dead Load Analysis Report 07323 AS BUILT Truss Span Truss 1 Virtis_Truss_LFD Live Load Analysis Detail Live Load Analysis Summar
145. s calculations for rating factors and load ratings using output from Virtis 6 2 using the BRASS LFD engine for steel truss members VDOT Vehicle Confiquration Tonnages Design Vehicles HS20 36 ton VAType3S2 40 ton Truss Member of Interest Legal Vehicles VAType3 27 ton References AASHTO 2011 The Manual for Bridge Evaluation Second Edition AASHTO 1996 with 1997 and 1998 Interim Revisions Standard Specifications for Highway Bridges Sixteenth Edition VDOT Structure and Bridge Division Instructional and Informational Memorandum 27 6 January 7 2008 IIM S amp B 27 6 Notes 1 Input cells are highlighted in yellow 2 Only LFD analysis modules can be used to analyze trusses in Virtis 6 2 Permit Vehicles BP90 45 ton BP115 57 5 ton Note For this example the controlling member is the member of interest 135 VIRGINIA DEPARTMENT OF SIMPLE SPAN STEEL TRUSS TRANSPORTATION Locating Rating Information 1 After analyzing the desired truss highlight TRUSS 1 E Materials Beam Shapes Appurtenances a Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS Mri AS BUILT Truss Span a Impact Dynamic Load Allowance tt Load Case Description Framing Plan Detail Structure Typical Section Superstructure Loads E Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINIT
146. sciption JDescipton cont d Alternatives Global Reference Point Traffic 07323 07323 Name 1920 Year Built Description One Span Steel Pony Truss with Six Simple Span Prestressed Concrete Slab Bridge Evaluated by Consulting Firm Inc Plan 286 07 was used for the analysis Fauqu Rappa Co Line h 281 25 Location Length Facility Carried 7 Tapps Ford Road Route Number 00645 Rappahannock Road Feat Intersected 6 Mi Post a Woe A new window will appear Fill in the fields as appropriate under the Description tab Note The description box is a good place to show the plan number used to analyze the structure Template Template bridges serve as templates to help develop other bridges Bridge Completely Defined Check the box if the specified bridge is completely defined within the Virtis Opis database Do not check this box if some of the structures making up the bridge are not in the database BridgeWare Association Button Opens the BridgeWare Association window allowing you to specify this current bridge as a Virtis Opis or Virtis Opis bridge and also to link this current bridge to a bridge in the Pontis database if Pontis is installed VW DOT 31m VERSION 6 2 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 07323 Sg Bridge 10 07323 NBI Structure ID gy 27323 hid RT Description Descin
147. sctipion Engine Control Options Dascrption Mateiial Type Floorbeam Type Default Lnits US Custorrary vi Floo bean propery input method amp cditional Self Load Analysis Mocule Acditional self load kip fl 52 BRASS ASD ly Acditional self load LFD BRASSLFD Dafaut rating method FD Floorbeam Length Between Main embers FB1 Floorbeam property input method User can either select Schedule based Cross section based For schedule based the user defines the floorbeam in terms of a profile A beam shape is selected and then defined over a length For cross section based the user defines unique cross sections and then defines the cross section over a certain length For this example select Schedule based Additional Self Load User can add additional self weight to the floorbeam either in terms of kip ft or a percentage of the beam weight This can be used to account for bolts splices pin and hangers etc No input required for this example Analysis Module Only the BRASS ASD and BRASS LFD modules are available Default Rating Method LFD Virtis cannot analyze a truss in any other rating method Floorbeam Length between Main Members 15 614583 ft Input for the Factors Engine and Control Options tabs is not required Left click OK to accept and close AY DOT VERSION 6 2 34 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERS
148. sults only Close By observation the floorbeams control the rating 07323 AS BUILT Truss Span Floorbeam1 Blanket P 1 179 1 969 07323 AS BULTTrussSpan Florbeam2 BlanketP _ 1179 1 969 NEEENIF 5 RATING CONTROLLING CONTROLLING CONTROLLING ONS MEMBERS LOCATION FT FORCE Z o p 2 90 92 Floorbeams 65 BP 115 113 Floobeams 625 Left Click the Close button for the Member Rating Results and the Structure Rating Results windows WDO wine VE RSIO N 6 2 100 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 COMPLETING THE VDOT RATING FORM CONTROLLING FORCE E Virtis File Edit View Bridge Tools Window Help Om 428 60a EBERT ES ALL p 0 US Customary se Bridge Explorer 5 Virtis bridges retrieved for the current folder all rows retrie All Bridges LOA13 LOA14 LOA14 ALA C3 L0A14 Slabs y Rating Examples m Sample Bridges Deleted Bridges 07323 OJ Materials Beam Shapes Appurtenances a Impact Dynamic Load Allowance Factors SUPERSTRUCTURE DEFINITIONS E Mri AS BUILT Truss Span Impact Dynamic Load Allowance tt Load Case Description F Framing Plan Detail s Structure Typical Section Superstructure Loads 3 Connectors C Shear Connector Definitions CJ Stiffener Definitions FML Floorbeam Member Locations MEMBER DEFINITIONS TRUSS
149. t CSR Computed Stringer Reactions STRINGER MEMBERS S unit2 Stringer1 CSR Computed Stringer Reactions STRINGER MEMBER ALTERNATIVES I I Unit2 Stringer2 I Unit2 Stringer3 I Unit2 Stringers SUL Stringer Unit 3 Layout SUL Stringer Unit 4 Layout SUL Stringer Unit 5 Layout SUL Stringer Unit 6 Layout SUL Stringer Unit 7 Layout amp FLOORBEAM MEMBERS amp Eg BRIDGE ALTERNATIVES 3 Left click Output File under BRASS LFD Capacity for Strength S 07323 AS BUILT Truss Span Unit 2 S Unit Stringerl U251 BRASS_LFD Capacity for Service 146 VIRGINIA DEPARTMENT OF SIMPLE SPAN STEEL TRUSS LOAD RATING EXAMPLE TRANSPORTATION STRINGERS 4 The BRASS LFD output file will open Scroll down to the Factored Actions section for the the controlling location pre d Ma ata Indicates that this is the 10th point at midspan 5 10 Load Levels 1 1 300 1 00 67 D 2 1 000 1 00 D 1 57 L 3 3 1 30 1 00 D 1 00 L1 4 1 00 1 00 D 1 00 L construction Stage NO 3 TE E ee EE Operating Service Inventory Fatigue Factored Actions Load Level 1 Load Level 2 Load Level 3 Load Level 4 over load Fatigue Moment ft kips Max M or fatigue stress 134 9 103 8 83 7 18 3 Min M or fatigue stress 7 4 7 4 0 0 Phi mn or fatigue M range 179 6 0 100000E 11 Ratio 1 239 2 145 99 000 Strength 18 2
150. the Member Rating Results and the Structure Rating Results windows 5 90 DOT amie eire VE RSION 6 2 98 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 PERMIT LOAD BP 115 RATING CONTROLLING CONTROLLING CONTROLLING ONS EEE RE Er 90 medi 5 poe p To fill out the rating information for the BP 115 vehicle first highlight the Blanket Permit 115 rows in the Bridge Rating Results window Bridge Rating Results N System of Units Lane Impact Loading Type Display Format US Customary SI Metric As Requested Detailed Single rating level per per row v Fe ve es CT CT 77 E nel 07323 HS 20 44 Inventory 1 253 LFD _ 4541 Wednesday August 31 2011 13 26 virtis As Requested Requested M LEI 07323 20 44 Operating 2 093 LFD 7533 Wednesday August 31 2011 13 26 virtis Requested As Requested 07323 Blanket Permit 115 BP 115 Inventory 1479 LFD 67 78 Wednesday August 31 2011 13 26 vitis Requested As Requested B E 207323 Blanket Permit 115 115 Operating 1 969 LFD 113 20 Wednesday August 31 2011 13 26 vitis Requested As Requested 2 07323 Blanket Permit 90 BP 90 Inventory 1 231 55 41 Wednesday August 31 2011 13 26 virtis As Requested Requested M he i al 07323 Blanket Permit 90 BP 90
151. tion cord Aematives Global Reference Point Traffic District 2 County Fauquier Owner 22 State Highway Agency Maintainer Admin Area NHS Indicator Functional Class rcm Apply Cancel For all Windows Description cont d tab Fill in fields as appropriate No input required for the Alternatives Global Reference Point and Traffic tabs Note that the Traffic tab requires input fora LRFR rating However current Virtis capability does not include LRFR rating for trusses and no input is required Left click OK to accept and close OK button Saves the bridge description in this window and its tabs to memory and closes the window Apply button Saves the bridge description in this window and its tabs to memory and keeps the window open Cancel button Closes the window without saving the bridge description in this window and its tabs to memory NOTE It is strongly recommended that the user save the bridge data at this time In addition the user should routinely save the bridge data during the input process Virtis 07323 File Edit View Bridge Tools Window Help 07323 H C Materials amp Beam Shapes H C ppurtenances Tene eek J rs sm ein m Bridge Validation Total Number of Messages 4 Number of Information Messages 0 Number of Warning Messages 4 Number of Error Messages 0 Warning Bridge is
152. ture limit states 15 0 All other limit states 33 0 Apply Cancel QW DOT VERSION 6 2 Double click Impact Dynamic Load Allowance to open Standard Impact Factor Select Standard AASHTO impact which is the default setting Left click the OK button to accept and close 38 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 SPLICE LOCATIONS E Bridge Workspace 07323 30509 Double click Splice Locations amp 407223 amp 20 Materials Beam Shapes Appurtenances a Impact Dynamic Load Allowance Z3 Factors SUPERSTRUCTURE DEFINITIONS AS BUILT Truss Span aA Impact Dynamic Load Allowance d Load Case Description 459 Framing Plan Detail pun Structure Typical Section zr Superstructure Loads Connectors Shear Connector Definitions Stiffener Definitions FML Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS E FLOORBEAM DEFINITIONS amp I Fei Floorbeam Definition Loads FIS Floorbeam Intermediate Supports Default Materials Impact Dynamic Load Allowance Splice Locations FA Floorbeam Profile Lateral Support Stiffener Ranges Z3 Points of Interest amp STRINGER DEFINITIONS TRUSSES rz FS6 Floor System Geometry BRIDGE ALTERNATIVES The user can define a splice location in the floorbeam However there are no splices for this example Left click OK to accept and close New
153. uss Span Unit1 Stringer Type 352 1 505 LFI AS BUILT Truss Span Unit Stringer4 VA 352 1 605 E LFD AS BULT Truss Span Uni2 Stringer VA 352 1608 i t3 AS BUILT Truss Span Unit2 Stringer4 Type 352 1 605 8 AS BUILT Truss Span Unit Stringer1 VA Type 352 1 505 E LFD AS BUILT Truss Span Unit3 Stringer4 Type 352 1 605 ILFD AS BUILT Truss Span Stringer1 VA Type 352 1 805 AS BUILT Truss Span Unit4 Stringer4 VA Type 352 1 505 LFD AS BUILT Truss Span Unit5 Stringer1 Type 352 1 605 E LFD AS BULT Truss Span Unit5 Stringer4 Type 352 1505 AS BUILT Truss Span Unit6 Stringer1 Type 352 1 605 E LFD AS BUILT Truss Span Unit Stringer4 332 1 505 AS BUILT Truss Span Unit Type 352 1 605 LFD AS BUILT Truss Span Unit Stringer4 Type 352 1 605 E AS BUILT Truss Span Floorbeami Type 352 LFD AS BUILT Truss Span Floorbeam2 VA Type 352 25 LFD AS BUILT Truss Span Floorbeam3 Type 352 6 LFD AS BUILT Truss Span Floorbeam4 VA Type 352 E LFD AS BUILT Truss Span FloorbeamS Type 352 25 7 AS BUILT Truss Span Floorbeam6 Type 352 LFD AS BUILT Truss Span Truss 1 VA Type 352 4 LFD m Structure 07323 AS BUILT Truss Span
154. ved ETT DEI LE I E New Folder TrainingBridge1 Training Brid 11 01 Import New Bridge TrainingBridge2 Training Brid 1 1 TrainingBridge3 Training Brid 11 01 PCITrainingBridge1 PCI TrainingB Rate PCITrainingBridge2 PCITrainingBr Report Tool PCITrainingBridge3 PCI TrainingB Bridge Exchange PCITrainingBridge4 PCITrainingBr PCITrainingBridgeS PCI TrainingB PCITrainingBridge6 PCITrainingBr Example7 Example 7 P RCTrainingBridge1 RC Training TimberTrainingBridge1 Timber Tr Bri FSys GFS TrainingBridge1 FloorSystem 06 15 FSys FS TrainingBridge2 FloorSystem 11 333 FSys GF TrainingBridge3 FloorSystem 07 06 FLine GFS TrainingBridge1 FloorLine GF 01 01 FLine FS TrainingBridge2 FloorLine FS 02 02 FLine GF TrainingBridge3 FloorLine GF 01 01 TrussTrainingExample Truss Trainin LRFD Substructure Example 1 LRFD Substr LRFD Substructure Example 2 LRFD Substr LRFD Substructure Example 3 LRFD Substr LRFD Substructure Example 4 LRFD Substr Visual Reference 1 Visual Refer 01 12 06070 06070 04 053 06035 06035 04 053 05234 05234 04 041 n2967 n2967 nt 021 Folder Properties JER To create a new Facility S 580051 bridge right click on the folder where you want to save the bridge and choose New New Bridge NJ Turnpike 195 95 75 175 95 SR 4034 76 Wheeler s Po Halligan Park Route 604 South Scenic 107323 C Template Bridge ID NBI Structure ID 8 Heiene Ce
155. will have to revise the data before the truss can be analyzed Errors will indicate the line number Line numbers can be viewed by clicking on a particular line of the input and viewing the lower left corner of the window Left click Close The input for the truss is complete Left click OK to accept and close WDOT EN 55 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 At this point the user can view a schematic of the truss to help verify the input Bridge Workspace 07323 GJER Right click Truss 1 and left click Schematic orf AS BUILT Truss Span a Impact Dynamic Load Allowance Load Case Description Framing Plan Detail VT Structure Typical Section r Superstructure Loads Connectors Shear Connector Definitions Z3 Stiffener Definitions FHL Floorbeam Member Locations STRINGER GROUP DEFINITION GEOMETRY MEMBER DEFINITIONS TRUSSES 551 I Truss2 OPen FSG Floor System _ Analyze C3 BRIDGE ALTERNATIVES Schematic Close Bridge Workspace Truss 1 HER The schematic of the truss will appear and can be compared to the plans 5 00 E M iquam 10 55 00 10 963 00 10 ud sadi 00 00 aad d T 00 9 3447 00 7 00 un Abn 6 50 NY WARS 18 L10 Liz 0 00 0 00 AM 0 00 00 0 00 00 0 00 56 00 0 00 70 00 0 00 94 00 0 00 98 00 0 00 NVDOT Ri mee eire VE RSIO N 6 2 56 SIMPLE SPA
156. y Dead Load Analysis Report Wednesday Aug 31 Load Analysis report VW ednesday L Member Section Property Report Rating Results Report Panel Point Maximum Forces Report Panel Point Concurrent Forces Report Log File An internet explorer window will open Scroll down to the Deck DG Superstructure Stringer Units DC and Superstructure Floorbeam DC load cases Load Case Deck DC Load ID 1 Nodal Loads Node X Force Y Force kip Z Force kip X Moment kip ft Y Moment kip ft Z Moment kip ft 1 0 000 3 066 0 000 0 000 0 000 0 000 2 0 000 6 133 0 000 0 000 0 000 0 000 3 0 000 6 133 0 000 0 000 0 000 0 000 4 0 000 6 133 0 000 0 000 0 000 0 000 3 0 000 6 133 0 000 0 000 0 000 0 000 6 0 000 6 133 0 000 0 000 0 000 0 000 7 0 000 6 133 0 000 0 000 0 000 0 000 8 0 000 3 066 0 000 0 000 0 000 0 000 WOOT VERSION GS Load Case Superstructure Stringer Units DC Load ID 2 Nodal Loads Node X Force kip Y Force kip Z Force X Moment kip ft Y Moment kip ft Z Moment kip ft 0 000 0 000 0 000 0 000 2 0 000 0 840 0 000 0 000 0 000 0 000 3 0 000 0840 0000 0 000 0 000 0 000 4 0 000 0 840 0 000 0 000 0 000 0 000 5 0 000 0 840 0000 0 000 0 000 0 000 6 0 000 0 840 0000 0 000 0 000 0 000 0000 0840 0000 0 000 0 000 0 000 8 0000 0420 0000 0 000 0 000 0 000
157. ystem of Units Lane Impact Loading Type Display Format US Customary SI Metric As Requested Detailed Single rating level per row iv 45 11 Wednesday August 31 2011 13 virtis As Requested As Requested v E 75 33 Wednesday August 31 201112 virtis As Requested As Requested LI View Member Rating Results Show up to date results only Left click the View Member Rating Results button WDO aads RSION 6 2 91 SIMPLE SPAN STEEL THROUGH TRUSS BRIDGE INPUT VERSION 6 2 The Member Rating Results window will appear Select Multiple Rating Levels per Row from the Display Format drop down menu for easier viewing of the results Double click the Inventory Rating Factor column to sort the rating factors from smallest to greatest The same can be done for the Operating Rating Factor column For this example the same members that control for inventory are controlling for operating Member Rating Results System of Unis Lane lerpact Loading Display Format US Customary SI Metric SAsRequesed Detaled Mutple rating levels tow invent Rating V Inventory Operating inventory Operating Legal Permt ventory Operatng Legal Bridge kl Vehicle Rating Factor Rating Facto Hule reder just Capacty Capacity Capacity Capacty Location Locaton Location Ton Ton Toa Ton 8 m 763 7 00 AS BULT Truss Span Unit Stringer HS 20 44 AS

Simple Span Steel Through Truss Bridge

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