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DELTABEAM

1. w KAA AAA AAA AA AAA AAA M LA a vewwwwwwawawawwwwa T r C 3 C 33 rr C CO C C C 3 3 VC C CCI LLLLLLLLLLLLLLLLELLLLLLLLLALLLLLLLLLLLLLLLLLCLLLELLULLA U2227777727211121111 Tensile or compression forces acting parallel to beam axis are usually transferred by ring reinforcement located in the area between the hollow core slab end and the inclined web of DELTABEAM Peikko must be informed if it is required to transfer normal forces through DELTABEAM profile Reinforcement against torsion is designed with edge beams or when the spans or the loads differ significantly at the opposite sides of the beam The magnitude of the torsion varies depending on whether propping is used during the erection stage Figure 17 shows the design principal for torsion With hollow core slabs dimension hc is the minimum thickness of the top hull In the case of structural topping on the hollow core slabs the topping may be taken into account in hc according to the judgment of the structural engineer For solid concrete slabs a normal distribution of compressive stresses may be used The loads transfer differently in the temporary condition and in the final condition as seen in figures 5 and 9 Because of this the lever arm generating the torsional moment is different in the temporary condition and in the final condition Figure 17 The design principal for torsion Peikko checks the interaction rate between the hollow core slabs and D
2. 18 DELTABEAM Composite Beam Design phases and delivery processes Peikko s website www peikko com contains DELTABEAM information for designers Figure 22 shows the typical workflow Delivery dates are agreed with the project manager engineer of the local Peikko unit lt Preliminary Design Technical Support Request for Quotation with Basic data Preliminary Dimensioning Design code consequences and execution class gt Dimensioning of DELTABEAMs and checking fire protection rating floor plans with load data the interaction rate between the hollow core and openings deflection limits connection Slabs and DELTABEAMs details surface treatments Order lt Quotation Initial Information DELTABEAM calculations Execution plans sent to Peikko typically 6 weeks before DELTABEAMSs are shipped from the I ALN TG s General Assembly Drawings GAD DELTABEAM profiles and details DELTABEAM I connection details GAD and DELTABEAM Calculations Approved _ Production Drawings Approved 2 to 3 weeks before DELTABEAMs are Production Drawings shipped from the manufacturing factory vt DELTABEAMs Released For Production Delivery Date i Confirmed 2 weeks before DELTABEAMs are shipped from the manufacturing factory Shipping Delivery Figure 22 The typical workflow Version Peikko Group 8 2014 seud uorje3ono eseud uonnoex3 Selecting DELTABEAM 19 Annex A Intial information Annex A
3. These DELTABEAM installation instructions are intended to complement the project s erection method state ment Peikko s technical support can help with the erection method statement if required If there are differences between the erection method statement and this document the differences should be approved by the structural engineer NOTE IF THE INSTALLATION TOLERANCES OF DELTABEAM ARE EXCEEDED PEIKKO MUST BE CONTACTED DELTA BEAM OR CONNECTIONS BETWEEN DELTABEAMS CAN T BE MODIFIED WITHOUT PERMISSION FROM PEIKKO Deliveries DELTABEAMs are delivered to the site according to the agreed project schedule Delivery of each shipment should be confirmed with Peikko two weeks prior to shipping DELTABEAMs of different lengths are not loaded in the order of installation at the factory because it is not economical or practical The beams are marked with identification codes in accordance with the drawings Storage on site The DELTABEAM s visible bottom part is painted with anticorrosive primer For long term storage the beams must be covered Piling strips are used under the beams to protect the surface treatment Piling strips should be free from grease or other substances that may damage the surface treatment When storing beams in piles the bearing capacity and the level of the surface should be verified Installation of DELTABEAM Installation of DELTABEAM Lifting and moving DELTABEAMs can be lifted and moved using ordinary l
4. Assembling DELTABEAMs e First check the instructions and the requirements in the erection method statement e DELTABEAMs are installed in such a way that the identification codes of the beams read in the same direction as marked in the element lay out drawing The beams must be connected with bolts or welds to supports prior to beginning the assembly of the floor units e When assembling DELTABEAMs on reinforced concrete columns use either one wide steel pack or two smaller packs one small pack in the middle is not sufficient e Prior to tightening the bolts on the Gerber connections check the location of each DELTABEAM and the total length of the beam line 4 Propping With hollow core slabs as close to the DELTABEAM support as possible at the loaded side of the beam below the web e With other floor types the erection method statement is followed Removeonly after the concrete has hardened 5 Assembling floor units Assemble the floor units directly on the beam ledge without any layers between Max 30 mm gap between the DELTABEAM s web and the end of the floor unit o minimize the rotation of the beam assemble floor units alternately on different sides of the beam 6 Reinforcement e The minimum transverse reinforcement through DELTABEAMs is 94 mm m from slab to slab in joints or voids n edge beams use L or U shaped rebars 7 Casting the concrete e Fillinonerun fill only from one side observe from the other side The
5. Initial information The following information is required for manufacturing DELTABEAMs and making design calculations Floor plans Design code and load data e Loads e Loading class e Reliability class DELTABEAM details see DELTABEAM data sheet model Connection details The DELTABEAM data sheet includes all of the necessary information about DELTABEAM Every DELTABEAM must have its own identification code in the floor plans The DELTABEAM data sheet must be completed so that the identification code in the floor plan reads correctly All distances are measured from the left end of DELTABEAM The reading direction of the DR type DELTABEAM is from the slanting web s side this is taken into account when marking the beam identification codes on the data sheet The minimum allowed distance of DELTABEAM web holes from the end of the web must be kept in mind Any ad ditional web holes must also be considered when completing the data sheet A DELTABEAM data sheet template is on the following page The data sheet template already contains Peikko s standard values for technical fabrication requirements The DELTABEAM data sheet must include the following information DELTABEAM profile DELTABEAM identification code characters allowed alphanumeric dashes and underscores without the beam profile DELTABEAM length Technical fabrication requirements Project specification document number Execution class Fire rating e Standard of the requi
6. beam is full when concrete starts to run through the small air holes in the upper part of the web Mind the formwork plates when using a poker Ensure that concrete fills the gap between Gerber and Side connections DELTABEAMS MUST NOT BE CUT WITHOUT PERMISSION AND INSTRUCTIONS FROM PEIKKO OPEN OUT BOLT HOLES etc MATERIAL MUST NOT BE STORED ON THE FLOOR BEFORE THE INFILL CONCRETE HAS HARDENED THE FLOOR ABOVE MUST NOT BE BUILT BEFORE THE INFILL CONCRETE HAS HARDENED PEIKKO GROUP CORPORATION Peikko Group Corporation is a leading global supplier of concrete connections and composite structures Peikko s innovative solutions make the customers building process faster easier and more reliable Peikko has subsidiaries in over 30 countries in Asia Pacific Europe the Middle East and North America with manufacturing operations in 9 countries Our aim is to serve our customers locally with leading solutions in the field in terms of quality safety and innovation Peikko is a family owned and run company with over 1000 professionals Peikko was founded in 1965 and is headquartered in Lahti Finland Peikko Group Concrete Connections since 1965
7. top plate of DELTABEAM can be read in the same direction as marked in the element lay out drawing itn S ee Z K SJ Ld NO co mE E CMM Diil4 lt Connecting DELTABEAMs DELTABEAMs are connected according to the project s erection method statement the installation plans and the connection details The connection details are specified in the construction plan for each project Shim plates and steel packs should be placed according to the erection method statement The DELTABEAM delivery only includes installation material for the connections between DELTABEAMs Gerber and Side connections The DELTABEAM s weight is not effective enough to stabi lize the frame during installation of the slabs Therefore DELTABEAMs should be connected prior to assembling the props and floor units This prevents the beams from moving If on site welding is required the process and the qualification of the welders should be in accordance with the erection method statement Shim plates in Gerber and Side connections are used by default to allow installation tolerance Installation toler ance is 5 mm 10 mm and the maximum thickness of the shim plates is 15 mm DELTABEAM lengths have been designed with the shim plate so that a 5 mm shim plate is set to every connection after DELTABEAM is installed but before the bolts are tightened Possible variations to the desig
8. 0 400 D22 300 D22 400 D25 300 D25 400 D26 300 D26 400 D30 300 D30 400 D32 300 D32 400 D37 400 D37 500 D40 400 D40 500 D50 500 D50 600 standard size unless the customer otherwise defines minimum 20 mm c c distribution for web holes is always 300 mm 16 DELTABEAM Composite Beam About DELTABEAM Table 3 The standard DR type DELTABEAM profiles DR20 215 DR20 245 DR22 250 DR25 260 DR26 230 DR26 260 DR26 290 DR26 325 DR30 270 DR32 250 DR32 285 DR32 310 DR32 365 DR37 325 DR40 295 DR50 350 standard size unless the customer otherwise defines minimum 20 mm c c distribution for web holes is always 300 mm 2 Resistances DELTABEAMs are CE marked through harmonized standard EN 1090 1 Eurocodes and National Annexes are taken into account in the designs of DELTABEAMs The resistances of DELTABEAMs are determined by a design concept that makes reference to the following standards EN 1990 EN 1991 EN 1992 EN 1993 EN 1994 In general itis more economical to use DELTABEAMs for the short span and floor slabs in the direction of the long span Version Peikko Group 8 2014 17 Selecting DELTABEAM Selecting DELTABEAMI The preliminary DELTABEAM profile selection is made on the basis of tables 2 and 3 and on the basis of DELTABEAM Preselection Software If a special DELTABEAM profile is needed please contact Peikko s technical support The standard depth of DELTABEAM is 200
9. 500 mm DELTABEAM profiles are usually with beam depths equal to the depth of the flooring units If a deeper DELTABEAM profile is needed it is possible to use a downstand on the beam ledge see figure 21 The DELTABEAM s downstand depth may vary to accommodate differing slab profiles Figure 21 DELIABEAM with downstand on the beam ledge The standard maximum DELTABEAM length is 13 5 m If DELTABEAMs longer than 13 5 m are needed please contact Peikko s technical support Longer DELTABEAMs usually require special shipping arrangements DELTABEAM Preselection Software DELTABEAM Preselection Software is a free dimensioning software package It can be used to select DELTABEAM profiles for a request for quotation DELTABEAM Preselection Software and the user manual can be downloaded from Peikko s website www peikko com The procedure is typically as follows USER INPUT e Project data e DELTABEAM data e Slab data Supports e Safety factors and load combinations e Loads PRESELECTION SOFTWARE OUTPUT Result of the analysis ACCEPTED or REJECTED e The bending moment values and diagrams The shear force values and diagrams Deflections with DELTABEAM precambering DELTABEAM Preselection Software calculates DELTABEAMs in the ultimate limit state and in the serviceability limit state The software does not perform fire design for DELTABEAMs nor does it check the interaction between DELTABEAMs and hollow core slabs
10. ELTABEAMs to ensure that the bearing ca pacity of the hollow core slabs is sufficient in final condition taking into account the composite behavior between the hollow core slabs and DELTABEAMs The supplier of the hollow core slabs is responsible for the design of the hollow core slabs 1 2 4 Expansion and construction joints of the slabs The expansion joints of the slabs allow transverse and longitudinal slab movements see figure 18 The transverse expansion joint of the slabs allows DELTABEAM to move in the direction of the beam line It can be built into the console coupling In that case the end connection inside DELTABEAM is encased so that there is room for move ment after casting A transverse expansion joint can also exist between DELTABEAMs see figure 19 The longitu dinal expansion joint of the slabs allows the movement of the flooring The longitudinal expansion joint may be placed on the beam ledge An alternative solution is to build double columns and DELTABEAMs Version Peikko Group 8 2014 13 About DELTABEAM Figure 18 The transverse and longitudinal slab movements Oss c c c cC c cC a cC c c c c c c c c c c c lt c c LET e c c a c c c c c c5 c c5 c c c c c c c c Longitudinal slab movement Transverse slab movement E cC cC cC cC cC cC C C5 c5 C cC cC C5 c5 C5 cC c c c c c c OoOO When the longitudinal expansion joint is placed on the beam ledge all the loads are tr
11. actory The required number of fire rebars is also assembled inside DELTABEAM The properties of the materials are as follows Steel plates S355J2 N EN 10025 2 Ribbed bars BSt500S B500B DIN 488 Steel plates are cut thermally or mechanically Rebars are cut mechanically Welding is done with metal active gas welding MAG or with submerged arc welding SAW The welding class is C EN ISO 5817 Peikko Group s production units are externally controlled and periodically audited on the basis of production certifications and product approvals by various organizations including Inspecta Certification VIT Expert Services Nordcert SLV TSUS and SPSC among others DELTABEAM has manufacturing tolerances in accordance with EN 1090 2 Annex D 2 Tolerance Class 1 DELTABEAMs are fabricated according to execution class EXC2 If separately agreed with Peikko DELTABEAMs can also be fabricated according to execution class EXC3 The DELTABEAM product sticker includes the DELTABEAM s type approval the project information the beam type the weight of the beam and the length of the beam DELTABEAMs are CE marked and the CE marking sticker is placed on DELTABEAMs The standard D type DELTABEAM profiles with dimensions can be seen in table 2 The standard DR type DELTABEAM profiles with dimensions can be seen in table 3 Version Peikko Group 8 2014 15 About DELTABEAM Table 2 The standard D type DELTABEAM profiles D20 200 D20 300 D2
12. and length of the beam must be protected against fire The expansion joint can also be located at the end connection or at the Side connection The vertical web of the DR type DELTABEAM must be protected against fire on site if the vertical web is not pro tected against fire by permanent structures such as walls A wall would act as permanent structural fire protection If DELTABEAM is being connected to a fire protected steel structure the extent of fire protection must be done according to the erection method statement Unprotected DELTABEAM will conduct heat to the steel structure through the connection A ti oJ rho P kh Ne p rg zz fit E AAANNRARRARRARRRRARRAAR After installation Any damage to the surface treatment should be repaired as soon as possible The surface treatment should be completed with the top layers as soon as possible Safety All valid health and safety rules must be followed during installation Fixing points for handrails and other safety products can be ordered separately Installation of DELTABEAM On site check list 1 Storage on site e Use piling strips to protect the surface treatment Cover DELTABEAMs in long term storage on site 2 Lifting and moving e DELTABEAMs are lifted by the lifting holes located in the top plate Always lock the chains e Note the maximum allowed lifting angle of the chains NO LIFTING STRAPS CHAINS AROUND DELTABEAM HEALTH AND SAFETY RISK 3
13. ansferred through the beam ledge The joint grouting of the hollow core slabs should be separated from the infill concrete and the DELTABEAM s web DELTABEAMs with expansion joints must be protected against fire from below When the expansion joint is on the beam ledge the entire width and length of the beam must be protected against fire see figure 20 When the expansion joint is at the end connection or at the Side connection the protected length must be evaluated on case by case basis 14 DELTABEAM Composite Beam About DELTABEAM Figure 20 Ihe expansion joint and fire protection ANN S AAA A AAN The construction joints are placed on a case by case basis in co operation with Peikko so that they can be taken into account when performing strength calculations The construction joint should not be built inside DELTABEAM because DELTABEAM must always be cast full of concrete in one run 1 2 5 Holes and additional connections It is preferable to have all holes made at the factory Information on holes and attachments should be included in the initial information see figure 22 Peikko must be always contacted if any changes are to be made All on site connections in DELTABEAMs are to be installed in compliance with the instructions provided by the structural engineer If additional connections are required Peikko must be contacted 1 3 Other properties DELTABEAMs are fabricated from cut steel plates and welded together at the f
14. cted to the columns with corbels or fixed to the top of the column with bolts or welds Peikko s PCs Corbel is recommended for connecting DELTABEAMs to concrete columns see figure 4 PCs Corbel is a modular hidden column corbel designed especially for DELTABEAM See PCs Corbel s technical manual for more information Figure 4 DELTABEAM connected to a precast concrete column using Peikko s PCs Corbel 6 DELTABEAM Composite Beam About DELTABEAM 1 1 Structural behavior 1 1 1 Temporary conditions DELTABEAM acts as a steel beam before the infill concrete has reached the required strength During the erection stage all loads are transferred to DELTABEAM through the beam ledges see figure 5 It is important to position the hollow core slab end correctly onto the beam ledge because this affects the DELTABEAM s design see section 1 2 2 The erection stage design is carried out in accordance with elastic design principles with the loads acting in the erection stage The precamber of DELTABEAM compensates for the deflection in the erection stage The amount of precamber depends on the length of DELTABEAM on the loads in the erection stage and on the selected static system Figure 5 Load transfer in temporary condition The effects of loads such as torsion during the erection stage must be taken into account when designing the connection details and the supporting structures For example variable beam spacing variable load values
15. d maximum aggregate size is 8 mm not more than 16 mm The lower parts of Gerber and Side connections must be properly filled with concrete Topping concrete is cast according to the erection method statement Casting the concrete 1 Confirm that DELTABEAM is clean for casting 2 Confirm that the formwork and the reinforcement are in accordance with the design 3 Initial infill may be done through the casting holes in the top plate DELTABEAM is filled with concrete up to the bottom edge of the web holes 4 After the initial infill the final concreting is done only from one side of DELTABEAM 5 Ensurethat DELTABEAM is completely filled with concrete by checking the air holes on the opposite side of DELTABEAM The beam is full when concrete runs through the air holes Concrete spillage over the beam must be avoided as this will make it harder to observe whether the beam is full 6 Compactthe concrete with a poker while concreting The entire infill process may be done through the casting holes in the top plate but it will be slower and require more work with the poker to run the concrete Mind the formwork plate and the vertical web when using a poker Installation of DELTABEAM Additional fire protection Additional fire protection is done according to the project s erection method statement DELTABEAMs with expan sion joints must be protected against fire from below When the expansion joint is on the beam ledge the entire width
16. e props should be assembled as close to the beam support as possible The props should be placed at the loaded side of the beam below the web The props may be removed only when the joint concrete and the infill concrete of DELTABEAM has reached the required strength With hollow core slabs DELTABEAM propping is used only to prevent the rotation of the beam at the supports The function of DELTABEAM propping is not to prevent deflection The hollow core slabs should not be propped without permission from the manufacturer When DELTABEAM is bearing on the end of a wall running parallel with the beam the propping plan prepared by structural engineer should be followed Installation of DELTABEAM The DELTABEAM s wide formwork sheet must always be supported A board is placed under the corner of the wide formwork sheet The board is supported with props The board must be as long as the supported formwork sheet Special attention should be paid to asymmetrically supported beams long beam spans or tall propping heights When the propping heights are tall traditional methods such as temporary columns or towers are used Peikko can offer special solutions to propping problems although this must be taken into account in the DELTABEAMs design NOTE DELTABEAM PROPPING IS USED WITH HOLLOW CORE FLOORS ONLY TO PREVENT THE BEAM FROM ROTATING AT ITS SUPPORTS Assembling floor units The DELTABEAMs connections and the props must be secu
17. eraction is full The structural engineer designs the connections between DELTABEAM and the supporting structure The connec tion must be designed such that the DELTABEAM s support reactions are transferred to the supporting structure e g a column wall or other beam This supporting structure must be designed to bear the reactions from DELTA BEAM Peikko designs DELTABEAMs according to the connection details Peikko also designs the internal beam to beam connections such as Gerber and Side connections Indicative connection details can be downloaded from the software download center on Peikko s website www peikko com The appearance of the connection can be finished by cutting the DELTABEAM s bottom plate according to the connection detail see figure 10 If necessary the bottom plate edge can be beveled or arched in plane of the bottom plate Figure 10 The DELTABEAM s bottom plate is arched because of the tube column Version Peikko Group 8 2014 9 About DELTABEAM 1 1 3 In accidental situation Buildings should be designed to carry an extent of localized failure from an unspecified cause without dispropor tionate collapse The transverse and parallel reinforcement should be therefore designed for a design tensile load defined according to EN 1991 1 7 and its National Annex in the accidental situation Fire situation The evaluation of the fire resistance of DELTABEAM is based on standard fire tests and design guidelines ob
18. g Nu R y P 2 Q 1 At cB ule Y n De II KC e N 2 group DELIABEAIVI Composite Beam Version Peikko Group 8 2014 ES Ci lt 3z EA 3 Fd 6 Z T d gt E Technical Manual peikko group DELTABEAM Composite Beam System benefits e Quick and easy installation e Standardized connections e Saves construction height e Easy HVAC installation Cost efficient e Flexible DELTABEAM types and details e Flexible lay outs through the whole life cycle e Fire rating as high as R180 without additional protection e CE marked e Enables to get LEED and BREEAM certification points Local technical support DELTABEAM is a superior composite beam enabling slim floors for multi storey buildings of any type whether low rise or high rise Its composite action between steel and concrete allows for creative structures with large open spaces Multiple fire tests have proven DELTABEAM to have excellent fire resistance without any additional protection Its shallow design decreases the building s floor to floor height while eliminating conflicts with HVAC systems Since 1989 DELTABEAMs have been used in thousands of buildings globally DELTABEAMs have been subjected to a rigorous testing program and the solution is widely approved in various countries Peikko s technical support is always available to help you to find the most suitable solution for your project www peikko co
19. ifting equipment such as cranes or forklifts The weight of each DELTABEAM is displayed on the product sticker on the beam or in the fabrication drawings The CE marking sticker can also be found on the beam DELTABEAMs must be lifted using the lifting holes on the top plate sym metrically to the axis of the center of mass The maximum allowed lifting angle of the chains must be notified In special cases when there are no lifting holes DELTABEAMs can be lifted with chains attached to the web holes In some cases a third chain is needed in order to lift DELTABEAM and maintain its balance For example DELTABEAMs with wide formwork sheets should be lifted using the lifting holes and a third chain should be assembled to the sheet Peikko Group Oy Peikko Voimakatu 3 PL 104 45101 LAHTI FINLANO 12 0416 CPD 6548 AC2010 ki projektin 08871 EN 1090 1 2009 Deltapalkki hitsattu teraspalk 55J2 N is 08871 KD 931 d Beam type Customer D32 400 VWemgnt 51100 L 6628 1582013 NOTE ALWAYS USE APPROVED LIFTING CHAINS AND LOCK THE CHAIN HOOKS NO LIFTING STRAPS CHAINS AROUND DELTABEAM THIS IS A HEALTH AND SAFETY RISK Installation of DELTABEAM Assembling DELTABEAMs The project s erection method statement must be followed at all times Every DELTABEAM has an identification code on the top plate The beams are installed in such a way that the identification code on the
20. m Contents About DELTABEAM 1 Product properties 1 1 Structural behavior 1 1 1 Temporary conditions 1 1 2 Final conditions 1 1 3 In accidental situation 1 2 Application conditions 1 2 1 Loading and environmental conditions 1 2 2 Positioning of DELTABEAM 1 2 3 Interaction with floor units 1 2 4 Expansion and construction joints of the slabs 1 2 5 Holes and additional connections 1 3 Other properties d Resistances Selecting DELTABEAM Annex Intial information Annex B The possibilities DELTABEAM offers Installation of DELTABEAM Revision 001 eo ee 23 About DELTABEAM 1 Product properties DELTABEAM is a slim floor composite beam which is integrated into the floor The beam is completely filled with concrete on site The infill concrete and DELTABEAM form a composite structure after the concrete has hardened DELTABEAM acts as a steel beam before the infill concrete has reached the required strength DELTABEAM is made of cut steel plates and welded together at the factory see figure 1 It can be used with all common floor types See the ideal floor types in figure 2 Figure 1 DELTABEAM parts air hole casting hole top plate fire rebars web hole beam ledge bottom plate Figure 2 Ideal floor types with DELTABEAM Hollow co
21. ment for accidental situation The location of the web holes additional web holes is adjusted either to the joints between the hollow core units or to the voids of the hollow core units For solid concrete slabs the exact location of the web holes along the DELTABEAM s span is normally not important Figure 15 shows the minimum distance of DELTABEAM web holes from the end of the web Figure 15 The minimum distance of DELTABEAM web holes h lt 250 x2 160 Or h gt 250 x2 195 With the D type DELTABEAM straight rebars are assembled through the web holes see figure 13 The reinforce mentis anchored with full development length to the slabs on both sides of the D type DELTABEAM The anchorage length of the reinforcement starts from the end of the floor unit When DELTABEAM is used as an edge beam the reinforcement should be anchored inside the beam It is recommended that hook ends be assembled inside DELTABEAM Mechanical connection is not recommended If there is ring reinforcement at the edge of the floor the D type DELTABEAM should be used as it allows more space for reinforcement between DELTABEAM and the formwork sheet see figure 16 12 DELTABEAM Composite Beam About DELTABEAM Figure 16 D type DELTABEAM used as an edge beam with transverse and ring reinforcement l ABRERERARERERRREALE LEREREREREREREREEREER MM F ENFEENENFENFENENFENFEFEEENNFEFENFEFEFENFEFEFEFENFN VZ7Z77777777777777777722 gt o O
22. ned total length of the beam line are taken into account by adding or removing the number of shim plates from other connections within the allowed tolerances Installation of DELTABEAM When assembling continuous DELTABEAMs the location of each DELTABEAM and total length of the beam line should be confirmed prior to tightening the bolts in the Gerber connections and other connections The ends of the continuous beam lines must be prevented from uplifting during installation Steel packs are placed on the reinforced concrete structure so that the effect of the contact stress remains inside the perimeter of the stirrup reinforcement The risk of spalling can be reduced by applying chamfers to the edges of the concrete structure The usage of neoprene is not recommended between DELTABEAM and the support NOTE DELTABEAM MUST NOT BE CUT WITHOUT PERMISSION AND INSTRUCTIONS FROM PEIKKO OPEN OUT BOLT HOLES etc Propping DELTABEAMs Propping should be carried out according to the project s erection method statement prior to assembling the floor units DELTABEAMs must be connected according to the erection method statement the installation plans and the connection details before propping The locations of the props and the loads to the props must be in accor dance with the structural engineer s instructions The stability of the props must be confirmed when they are assembled The foundation for the props must also be secure and solid Th
23. ning DELTABEAMs The contents of the initial information are presented in figure 22 Appendix A contains the list of required DELTABEAM details and an example of a DELTABEAM data sheet Every DELTABEAM has a unique identifi cation code in the project The dynamic design in serviceability limit state is taken into account when designing DELTABEAMs if requested by the structural engineer The structural engineer analyzes vibrations for the entire project Peikko s technical support is always available to help with vibration issues Itis assumed that walls located on DELTABEAMs have no effect on the beams unless loading information is pro vided concerning the walls located on DELTABEAMs It is also assumed as a default in the DELTABEAM design that the topping concrete of the flooring is cast in a separate phase after the infill concrete of DELTABEAM has reached the required strength If the topping concrete is to be cast simultaneously with the infill concrete Peikko should be informed The order of concrete casting significantly affects the DELTABEAM s design The infill concrete grade in the DELTABEAM design is C25 30 unless otherwise stated The minimum infill concrete grade is C20 25 normal weight structural concrete DELTABEAM should always be cast in full in one run The HVAC system can be installed below the floor or in some cases inside the floor If the DELTABEAM s web holes are used for HVAC installation the impact must be taken into accoun
24. nominal level To achieve a flush bottom surface with an in situ slab itis recommended that the formwork be built under the bottom plate With the downstand on the beam ledge the formwork is built against the web of the downstand o NI NN NN K N NNN NN IN Reinforcement Reinforcement is installed in accordance with the erection method statement The DELTABEAM s minimum trans verse reinforcement is 94 mm m The transverse reinforcement must be assembled even if rebars are being bent over DELTABEAM The transverse reinforcement should always pass through the DELTABEAM s web holes or through the additional web holes with deep DELTABEAMs There is a hole in the Side connection for assembling the ring reinforcement and a notch in the Gerber connection for the rebar Installation of DELTABEAM Casting the concrete DELTABEAMs are cast with concrete simultaneously with the slab or the joints of the hollow core slabs DELTABEAM must be filled with concrete in one run DELTABEAM must be cast completely in order for it to secure the properties of a composite beam DELTABEAM is designed for temporary live load according to EN 1991 1 6 and its National Annex Structural concrete is always used when casting the concrete The concrete grade is in accordance with the proj ect s erection method statement The concrete s properties are determined according to the project s concreting plan The recommende
25. o bolts is not possible to be used see figure 7 Figure 7 Propping when DELTABEAM is bearing on the end of a wall When the purpose of DELTABEAM is to transfer floor loads to a wall type beam above DELTABEAM must be correctly propped DELTABEAM must be propped according to the project s erection method statement before the floor units are assembled Props must not be removed until the upper wall is capable of bearing the full floor load Figure 8 shows detail of DELTABEAM with a wall type beam above Figure 8 The purpose of the vertical reinforcement is to tie DELTABEAM and the wall type beam together NOTE DELTABEAM PROPPING IS USED WITH HOLLOW CORE FLOORS ONLY TO PREVENT THE BEAM FROM ROTATING AT ITS SUPPORTS 8 DELTABEAM Composite Beam About DELTABEAM 1 1 2 Final conditions The infill concrete and DELTABEAM form a composite structure after the concrete has reached the required strength In final condition the loads are transferred to DELTABEAM through a compression arc against an inclined web see figure 9 The load transfer is proven by load tests where DELTABEAM was tested without the beam ledges Transverse reinforcement which is assembled through the DELTABEAM s web holes secures load transfer Figure 9 Load transfer in final condition Wl The shear connection between the infill concrete and DELTABEAM is formed by the dowel action of the web holes Static loading tests have proven that the composite int
26. of the hollow core slabs DELTABEAM with wider ledges can be delivered Figure 12 The minimum bearing lengths of standard DELTABEAM profiles with hollow core slabs BEEREBERERERERERERRRRERERELE NAA Y AMEBERERERELEEREREERRERERERT BEBEREREREREREREEREERERERERI LEEEEEE LAAAA AA A A AN AAAA AA AA AA A A AA A AAA LZ Z Z Z Z Z Z Z 1 Z 1 LL A LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLA LLLLLLALLLLLLLLLLLLLLLLLLLLLLLLLLLLI 80 mm DR type DELTABEAM when h x 320 mm 77 5 mm D type DELTABEAM when b lt 300 mm min 110 mm with other DELTABEAMs Version Peikko Group 8 2014 11 About DELTABEAM About DELTABEAM 1 2 3 Interaction with floor units The purpose of the transverse reinforcement is to tie DELTABEAM and the floor together The transverse reinforce ment secures the load transfer from the floor to DELTABEAM The minimum transverse reinforcement is described in figure 13 The transverse reinforcement is assembled through the DELTABEAM s web holes Deep DELTABEAM profiles h gt 370 mm may have additional web holes for transverse reinforcement The location and the maximum size of the additional web hole can be seen in figure 14 The lower edge of the additional web hole should be 75 mm above the bottom plate to allow a gap for the fire rebars The additional web holes are always placed between the actual web holes Figure 13 The minimum transverse reinforcement 94 mm m reinforcement for torsion As 2 max reinforce
27. or asymmetrically assembled floors can cause torsion Propping is used with hollow core slabs only to prevent DELTABEAM from rotating at the supports The function of beam propping is not to prevent deflection No propping is required provided that the DELTABEAM s connec tions and supporting structures are designed for the loads during the erection stage Temporary props should be designed for temporary erection loads acting to them DELTABEAM is capable of transferring the effects of an eccentric load back to the column More information about propping can be found from section Installation of DELTABEAM Peikko s technical support is always available to help with any installation and propping issues DELTABEAM props are located as close to the DELTABEAM support as possible see figure 6 Props are placed below the web on the loaded side Props should not be removed until the slab cast and the infill concrete of DELTABEAM have reached the required strength Figure 6 Propping DELTABEAM Version Peikko Group 8 2014 7 About DELTABEAM In case offiligran or other solid slab types that are propped during construction phase propping may be necessary along DELTABEAM to ensure that the beam and the slab do not separate while concrete grouting is done depending on the type of formwork Propping is always required when DELTABEAM is bearing on the end of a narrow wall running parallel with the beam and proper torsionally rigid connection with tw
28. re slabs Filigran type floors Steel decking 4 DELTABEAM Composite Beam About DELTABEAM There are two types of DELTABEAM The D type DELTABEAM has ledges on both side of the beam This beam type is able to carry floor units on both sides of the beam The DR type DELTABEAM has a vertical web and ledge only on one side Both types of DELTABEAM can be used as edge beams to carry floor units at only one side of the beam Curved floor edges can be made by combining D type beams with curved formwork Table 1 shows the use of DELTABEAM types Table 1 The use of DELTABEAM types D type DELTABEAM DR type DELTABEAM The vertical web is protected against fire with other structure or with separate fire protection The free side of DELTABEAM is protected against fire with concrete Version Peikko Group 8 2014 5 About DELTABEAM DELTABEAMs can be used as single span beams or in multi span beam construction DELTABEAMs can also be used for cantilever beam construction In multispan beam construction Gerber connections provide continuity to lines of DELTABEAMs see figure 3 Peikko designs the locations of the Gerber connections Shim plates are used by default to allow for installation tolerance lt i Figure 3 Gerber connections enable the continuity of the DELTABEAM line Gerber Gerber connection connection ooo0oo0oo0oo0oo0o000000000O DELTABEAMs can be used with all common column types DELTABEAMs are conne
29. rely installed tightened or welded before assembling the floor units To minimize the rotation of the beam the floor units should be assembled alternately on different sides of the beam After the slabs are installed the necessary formwork edge forming and slab reinforcement will be carried out Installation of DELTABEAM Floor units should be assembled directly on the beam ledge Usage of neoprene is not recommended Floor units should be assembled so that there is a gap of a maximum of 30 mm between the DELTABEAM s web and the end of the floor unit If this gap is exceeded contact Peikko or the structural engineer Finally all holes on the bottom side of DELTABEAM locations of consoles Side connections and Gerber connections should be blocked The Joint and ring reinforcement are also assembled The composite steel sheet should be assembled according to the erection method statement The composite steel sheet should be supported at the same elevation as the beam following the precamber shape No room for settle ment should be allowed Filigran slabs are supported at the same nominal camber as the floor The precambering is fabricated to DELTABEAM to ensure that DELTABEAM is level after the floor is installed NOTE MATERIAL MUST NOT BE STORED ON THE FLOOR BEFORE THE INFILL CONCRETE HAS HARDENED THE FLOOR ABOVE MUST NOT BE BUILT UNTIL THE INFILL CONCRETE HAS HARDENED In situ concrete slab In situ concrete slabs are built to the
30. rements for fabrication e Surface treatment and primer shade e Fabrication tolerances and any special fabrication tolerances e Requirements for weld inspection and weld class The location of the web holes adjusted either to the joints between the hollow core units or to the voids of the hollow core units The DELTABEAM s numbered connection details Degrees of angle if DELTABEAM is beveled at the end of the beam The location of any middle supports The DELTABEAM s furnishing if necessary Formwork sheets height length and location Downstand on the beam ledge height total length and location of the downstand e Elimination of the beam ledges width length and location of the eliminated ledge Side connections measurement from the left end to the center line of the connection Other holes size and location the DELTABEAM web must not be cut at the beam span 20 DELTABEAM Composite Beam Annex A Intial information Suojeayioeds 9 2 7 060 NI ZL8S OSI NI 9 BIS SSEID PIO epeus NOISIA3H ON OMG SENN ens YNNN 103POud Y3N IS30 ava 2 060 N3 2 2X3 l 0p AV sjuawanb y uonoadsul play jueueaJ aveng Q3 03H9 NWuq Q3A0Uddv 27060 NA MIS seoueJe o uoneouuqej eroedc puepuels uoneouge Jo sjuswauinbey dnd NoIs3d 39vd 3002 ONIAIHOMY Q xeuuy Z 0601 NF SS8 093 A s seougJojoj UONOUGe Bunea 9113 099 cl 5 9X3 s ae 9 761 DI weaq sse ppy o gt pjiedi ssep
31. t when DELTABEAM is designed Therefore Peikko must be informed if the DELTABEAM s web holes are to be used for HVAC installation in order to find the optimal location for the piping DELTABEAMs are either primed or hot dip galvanized These surface coating techniques also ensure durability during delivery and installation The DELTABEAM s visible bottom part is primed to minimum 40 um Other surface treatments may be delivered upon agreement with the customer The customer does the final painting on site The free water in the DELTABEAM s fresh infill concrete reacts with cement in the normal hardening process as in other concrete structures The concrete requires a certain drying time and humidity level before the surface materials of the floor can be installed It is recommended that water reducing agents be used rather than high water cement ratio to make the structural concrete mix for DELTABEAM casting By being able to decrease the required amount of water the concrete s drying time is reduced To control the concrete s drying time on site normal guidelines for the prevailing environmental conditions should be followed 1 2 2 Positioning of DELTABEAM The bearing length of the hollow core slabs or other deck may vary from their standard product requirement For the standard requirement in the DELTABEAM s design see figure 12 Using a smaller bearing length affects the design and the dimensioning of DELTABEAM If requested by the supplier
32. tained from tests DELTABEAM can have fire rating as high as R180 depending on local approvals Check the availability from Peikko s local technical support DELTABEAM is dimensioned in compliance with the fire rating requirements of the project When needed the designed number of fire rebars is installed inside DELTABEAM at the factory see figure 11 High fire resistance is achieved by fire rebars and infill concrete The DELTABEAM s fire rebars and the webs act as tensile reinforcement in the event of fire The rebars compensate for the strength that the bottom plate loses meaning that additional fire protection is not normally needed Figure 11 Fire rebars inside DELTABEAM The vertical web of the DR type DELTABEAM must be protected against fire by other structures or by protective materials finishes Separate fire protection is needed when there is no other structure protecting the vertical web Peikko will determine the DR type DELTABEAM s need for separate fire protection on a case by case basis The material and thickness of the separate fire protection are determined on a case by case basis by the fire engineer 10 DELTABEAM Composite Beam 1 2 Application conditions 1 2 1 Loading and environmental conditions DELTABEAMs are designed by considering the entire loading history Each DELTABEAM is designed separately on the basis of initial information of the project The initial information is needed for manufacturing and desig
33. uonnoex3 XXXX XXXXXXX 00920 weedeeC sseJppy JU 90p uojeorioeds JoalOld Bumeup quiesse awen sjueueJinbei uoneouqe jeoiuuoe 1N31NO9 ONIMVEC JNYN LO3POud i i e 2 S o o oS e D Qoo 2 0001 eDpe uieeq eui jo puejsuwoq S um M i o1 O gt C D e SS csse 2 s 1 Sty INI E O C I IIC 2 e O uejd ou WO oye Je suoisueulip gels pue speo uueyBuo I ubisep y ul peJepisuoo aye uejd y uo UMOUS speo7 IH x J uS xX10MuJO J o payloads esiMJeugo ss jun em suonpoeuuoo uleeqejeq pJepuejs oj DuipJoooe suomnoeuuoo ueeqejeq ALON f 004 ij q 089v lt 00S HH od IV L3G L WWLAd _ I DELTABEAM data sheet template I l S31OH g3M SSH HS COL Version Peikko Group 8 2014 21 Annex B The possibilities DELTABEAM offers Annex B The possibilities DELTABEAM offers DELTABEAMs have been successfully used in close to 10 000 projects around the world Demanding facade shapes curves and cantilevers can be made with DELTABEAMs using in built formwork and also prefabricated elements See the following examples Example 1 The frame of the curved external wall was built using DELTABEAMs with formwork sheets Patient hotel Denmark Y N w S ase M NE SENS NY bos qu fva Adam Mgrk 22 DELTABEAM Composite Beam Installation of DELTABEAM

DELTABEAM

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