New Bridge - Kansas Department of Transportation
Contents
1. and PDF tutorial examples BRIDGE DESCRIPTION amp TRAFFIC INFORMATION e Bridge ID CCC SSS CCC County Number 3 digits SSS Serial Number 3 digits Example 057 061 e NBI Structure ID 8 9999RRROCCCSSS1 State System Route Subclass County Serial Jurisdiction 9999 077 0 005 706 1 Subclass Valid Coding 0 No Suffix Default A Alternate Jurisdiction Valid Coding 1 State Default 2 Federal 3 KTA B Business C Connector S Spur Y Bypass 4 Kansas Wildlife amp Parks Example 99990770057061 e Template Bridge Completely Defined Select the appropriate box When the Template box is selected the structure will be excluded from any batch ratings Any designs or studies that do not have a County Serial identification should have the Template box checked e Name AAAA Sk00 Cu00 Description Max of 50 characters AAAA Bridge Type Code Bridge Log Sk00 Skew Degrees Cu00 Curve Degrees Description Descriptive Name from the Title Block of the plans Example WWCC Sk30 Cu00 SB US 77 over Nasty Cr e Year Built YYYY http wwwdev ksdot org burdesign bridge virtisopis virtis asp 10 10 2008 Kansas Dept of Transportation VirtisOpis Users Guide Example 2004 e Description Replaces County Serial Descriptive Name from the Title Block of the plans Project Number Activities enabled to charge time to Description as shown on the contour map e Location Locati2. fromthe Title Sheet Recent ADTT 776 Calculated for you Truck PCT ADT Directonal PLT D Design ADTT 330 Hand Calculated Truck PCT Future ADT on Title Sheet Directional PCT D Mutiplier For multiplier use table 3 6 1 4 2 1 Explanations from the Help within Virtis Opis Truck PCT Enter the truck percentage value used to compute the ADTT This value comes from Pontis if the bridge is associated with Pontis ADT Enter the average daily traffic on the bridge This value comes from Pontis if the bridge is associated with http wwwdev ksdot org burdesign bridge Vvirtisopis virtis asp 10 10 2008 Kansas Dept of Transportation VirtisOpis Users Guide Page 8 of 8 Pontis Directional PCT Enter the percentage value used to compute the traffic in one direction on the bridge Recent ADTT Enter a recent value for the average daily truck traffic ADTT in one direction on the bridge Virtis Opis computes this value as the Truck PCT ADT Directional PCT Design ADTT Enter the design average daily truck traffic ADTT in one direction on the bridge This value must be computed by the engineer Structure Definition Naming The Structure Definition Name is to follow a predetermined naming convention A typical bridge should only have 3 structure definitions They are as follows Design KFH Design Check GMC Let Oct 2002 As Built Nov 2003 KFH As Rated Jan 2004 NLW The Design Structure Definition may contain
3. Kansas Dept of Transportation VirtisOpis Users Guide Page 1 of 8 State Bridge Office Bureau of Design 1 VirtisOpis Users Guide New Bridge Your Responsibilities Reporting a Virtis Opis Troublelog Helpful Hints Bridge Description Information Structure Definition Naming Virtis Opis Tutorial Examples Request to have Virtis Opis installed Ask a Virtis Opis related question Ask a BRASS related question New Bridge Your Responsibilities Bridge Special Assignments will initiate and create the bridge in the database The data marked in RED in the Bridge Description Information will be populated in advance The designer will be responsible for any data fields left blank except Year Built this will be populated at a later date Contact Bridge Special Assignments with any questions regarding pre entered data The assigned designer will have to notify the Virtis Opis Administrator so access privileges can be assigned Following that the bridge may be checked out The designer will have three options here A structure definition may be created from scratch copied from an existing structure or copied from a template structure Copied structures always carry along the library items from the original structure The first item in the tree will be your Bridge Description Information The structure definition must be named in accordance with the Bridge Office Superstructure Definition Naming conventions The last thin
4. g the designer will do is select Bridge Completely Designed If you want to save this structure for fast bridge creation in the future select the Template box When the Template box is checked the structure will be excluded from batch ratings Any designs or studies that do not have a County Serial identification should have the Template box checked Shortly before office check the design squad leader will provide Bridge Management with a complete set of bridge plans plus a title sheet Bridge Management will compare the plans to the input data and perform a brief superstructure review followed by a rating review A report for this review will be sent to the squad leader After letting Bridge Special Assignments notifies the Administrator so the bridge can be placed in the Let Under Construction folder The designer will retain access privileges during the construction phase If any changes to the original design occurred during construction an additional superstructure definition must be created and named in accordance with the Bridge Office Superstructure Definition Naming conventions Bridge Management will be notified and plans will be provided by the squad leader The new As Built structure definition will be marked as current so batch ratings will include the correct structure After the bridge is constructed and accepted Bridge Management will enter the Year Built and place the bridge in the State System folder At this time all acces
5. heck In Out e When you copy an existing structure or create a new one you become the owner and may check this bridge in out at will Once the structure is constructed and accepted you will no longer have permission to change any of this structures data Check out privileges may only be obtained from the system Administrator Wizards e After filling in data from the Bridge Descriptions thru the Factors in the Bridge Workspace highlight Structure Definition and select Wizard from the Tools pull down menu or select the New Design Wizard button from the tool bar Follow the prompts e There is also a PS Design Tool Wizard button available when a Member Alternative is selected Structure Definition e Know the difference between a Girder System and a Girder Line Girder Lines require you to calculate distribution factors and dead loads Know the difference between Schedule Based and Cross Section Based e Some input items can be ignored and populated with default values from the analysis engine Read your engine help to find out which items have defaults Be sure you know what that default is before you use it Shear Studs Diaphragms and Stiffener Ranges e There is a Ranges Example available from the help within Virtis or Opis This will fully explain the proper way to enter the selected item Remember you never get a stud diaphragm or stiffener at the start but you always get one at the end of a range e Studs Enter your ranges con
6. ic Tab use the help F1 then Bridge Description Traffic Maintenance Projects use present AADT Major Modifications use projected AADT http wwwdev ksdot org burdesign bridge Vvirtisopis virtis asp 10 10 2008 Kansas Dept of Transportation VirtisOpis Users Guide Page 7 of 8 The traffic data fields are not being filled out correctly by most users This traffic data provides the values to calculate fatigue If they are left blank the design ADTT will default to AASHTO s maximum of 20 000 Below you will find a worked out example Typical traffic data found on the Title Sheet of the plans this is what you have to work with Design Designation AADT 2005 4700 Annual Average Daily Truck Traffic current AADT 2026 6000 Annual Average Daily Truck Traffic future DHV 10 Design Hourly Volume D 55 45 Directional Traffic traffic proceeding in one direction only T 30 Percent Trucks Screen shot of the Traffic Tab of your bridge description window with the above values entered Virtis Opis 060 036 File Edit View Bridge Tools Window Help Te elo d SES 0 B Me EF See we le BO eS el Al g Ror S ALE eG I Templat Bridge ID 060 036 NBI Structure ID 8 393905400600361 emplate v Bridge Completely Defined Description Description cont d Altematives Global Reference Poip Truck PCT 30 y T trom the Title Sheet ADT 4700 Current ADT from Title Sheet Directional PCT 55 0 D
7. on To Be Load Rated As Built load rated and ready to be placed in the State System Folder On State System NBI inspected Load Rated As Built bridge and currently under traffic User s Manual and Help e Reviewing the User s Manual will be helpful There is a help file called Getting Started it will explain general navigation and terminology e Press F1 in any screen to bring up help pertinent to the active window Use F1 every time you open a new window until you are comfortable with the program e You will also find engine related help that will define optional and required data The engine will have to be selected from the pull down menu Help Engine Help Configuration Progression e Always start at the top and work down don t jump around e Navigate with tab and shift tab key instead of the mouse Save e Save Often e Read the messages on the Validation Window e Warnings are NOT errors may be just data that BRASS will either calculate or provide a default for Copy an existing Bridge to use as a template e Inthe All Bridges folder highlight the bridge you want e Edit Copy then Edit Paste you can rename at this time or wait till later http wwwdev ksdot org burdesign bridge Vvirtisopis virtis asp 10 10 2008 Kansas Dept of Transportation VirtisOpis Users Guide Page 3 of 8 e Select your new Copy of bridge and Edit Copy then highlight your own folder destination Edit Paste or drag and drop C
8. on from Bridge Display Sheet Max of 25 characters e Facility Carried 7 Max of 18 characters e Feat Intersected 6 Feature Crossed From Bridge Display Sheet Max of 24 characters e Default Units e Length e Route Number Route from Bridge Display Sheet Max of 5 characters e Km Post County Mile Post from Bridge Display Sheet Max of 9 characters Special treatment is required here At the top of the window toggle the units to US Customary enter the county mile post then toggle back to Sl Metric e BridgeWare Association Select the BridgeWare Association button if this is anew LRFD structure check the Virtis and Opis box s If this is an existing NOT designed with the LRFD Spec then select the Virtis box only Page 6 of 8 EXAMPLE Replaces 057 026 SB US 77 over Nasty Cr 77 57 K 1234 01 117 171 329 Construct Note 0 55 MI S US 50 SB US 77 Nasty Creek Sl Metric 159 625 77 17 848 On the Description cont d Tab all items are selected from a pulldown pick list District 2 County Owner 22 Maintainer Admin Area NHS Indicator Functional Class District 1 6 Marion State HWY Agency State HWY Agency Area 1 6 On NHS Rural Princ Arterial See item number 2 6 7 8 22 in the Federal Highway Administration s Recording and Coding Guide for the Structure Inventory and Appraisal of the Nation s Bridges December 1988 and December 1995 Editions On the Traff
9. ontinuity steel by the following process In the Opis library of materials under Agency Reinforcing Steel there is a material called Continuity Steel This pseudo continuity steel MUST appear after your grade 60 steel in your materials list Then on the Continuity Diaphragm tab of the Span Details window you can enter the material from the library called Continuity Steel This mild steel material is to be used in place of extended PS strands You as the designer must come up with correct combination of number of bars and bar size equivalency NOTE the BRASS analysis engine will only use one yield strength so in this case BRASS will convert the continuity steel you entered into an equivalent number of grade 60 bars Library Item Whenever you have the Copy From Library button displayed please check it out for Agency Defined items VirtisOpis KDOT Agency Library Request the VirtisOpis KDOT Agency Library Analysis Settings Use the Engine tab in the Analysis Settings window to specify which strength and service limit state checks are appropriate Refer to AASHTO 3 4 1 Users Manual amp Tutorial Examples e A shortcut to the User s Manual was placed on your desktop during program installation http wwwdev ksdot org burdesign bridge virtisopis virtis asp 10 10 2008 Kansas Dept of Transportation VirtisOpis Users Guide Page 5 of 8 e From the Windows Start Button you can navigate to the AASHTOWare Group and find both live tutorials
10. s privileges will be removed Reporting a Virtis Opis Troublelog e Indicate the BID number far left column in Explorer Window e Written problem description e Supporting documentation Portion of an output file Screen shot bmp or jpeg http wwwdev ksdot org burdesign bridge Vvirtisopis virtis asp 10 10 2008 Kansas Dept of Transportation VirtisOpis Users Guide Page 2 of 8 Supporting calculations e Send troublelog to the Virtis Opis Administrator Helpful Hints Folders Explanation The All Bridges folder contains all the bridges in the database When you drag or copy a bridge to your folder all you have is a shortcut pointing to the All Bridges folder When you create a new bridge in your folder you created a shortcut which points to the All Bridges folder where the bridge actually lives There can be more than one shortcut to the same bridge File System Manila Folder BID s must be placed in this list no filtering Red Folder BID s are placed in folders automatically by the filtering sorting criteria Folder with Head Denotes a personal folder that only the owner can delete or add too Folder Structure All Bridges All bridges in the database Tutorial Bridges Tutorial Example Bridges PE Design Phase Any study or design Template Bridges Saved templates for fast bridge creation Design Each designer has a personal folder Let Under Construction Any bridge that has been let or is currently under constructi
11. several options or trials For this reason the Design Check Structure Definition which only contains the one design will be used for Letting As Build and As Rated PRINTABLE PDF Click this button for a printable pdf of this page Questions and comments regarding this page or VirtisOpis can be sent to Dean Teal Changes to this page are noted in yellow This page last updated November 28 2007 Last updated October 10 2008 http wwwdev ksdot org burdesign bridge Vvirtisopis virtis asp 10 10 2008
12. tinuously from left to right letting Opis compute the next start distance This will avoid input problems over the piers Decks Examples with and without overlays http wwwdev ksdot org burdesign bridge virtisopis virtis asp 10 10 2008 Kansas Dept of Transportation VirtisOpis Users Guide Page 4 of 8 No Overlay 8 Deck 1 Sacrificial Wear Total Thickness 8 Structural Thickness 8 1 7 1 SFO 8 Deck with Sacrificial Wear Total Thickness 8 1 2 7 Structural Thickness 812 12 8 SFO not entered on the Wearing Surface Tab Load Case Description Enter a load case for SFO Stage 2 D DC Member Loads 112 SFO for each member over all spans in Kip Ft 812 One Course Deck 1 Sacrificial Wear With or without a Polymer Overlay Total Thickness 8 2 Structural Thickness 812 2 8 Add a 15 psf FWS on the Wearing Surface tab Polymer Deck Protection load is ignored Dead Load Read the Help Index item called DEAD LOADS It contains a table summarizing which dead load components are computed automatically by the engine BRASS and which must be entered by the user Also see page 3 6 of your AASHTO Spec for Load Designations Keep this list handy Prestressed Guide Review the help topic for Prestressed Member Modeling Methods and our A help sheet PS Strand Extensions in Opis You can enter PS strand extensions in Opis as c
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