plate girder bridge design example pdf

Plate girders are used in both buildings and bridges. Input data and design loads needed for the stream Design of the Girder: This includes the criteria and the allowable stresses used in the design, as well as alternative types of girder with advantages and disadvantages given for each. However, seismic criteria must be addressed in this case. The following report provides comprehensive analysis of the advantages and The significance of these items can be seen in the LRFD Manual flowcharts (Figs. By using excel spreadsheet, the author compares the weight of the plate girder bridge designed using both codes as the span increases with a fixed yield strength used. �kC��d�a�C���2�zS>qi�`��3�u���YiA�e�G�z�2q!<>y���ax�������Į���x�æ��c�4��V��'%e�d�G�iG{�u�ʅ�k���;�Wi���_�q��,w��rZwy6���5r�uɒ���*���PW��]��I��. This example illustrates New Mexico Department of Transportation (NMDOT) design procedures for a three-span prestressed concrete girder bridge. met through the use of AASHTO LFRD Bridge Design Specifications, a series of bridge engineering handbooks, LRFD design examples from the Federal Highway Association, in addition to many other sources. I-Shaped Plate Girders . The nuts are manually snug tight. From the comparison, the author comes out with a design example for both design method. <> 9 0 obj »Ö-èAŽG€cg-eÛþûÎ%Y²M×(àRäðÍpæÍG‚¯»º|Í_jvu|­ëüå­X²ç Û~|²_Eð”¯ÊM^—ÛM0ÿ\Ô¸õW‘/‹Ýõ5›ÎnØ4‚;ÉRžÆ,{$ðO2rjf´aÙ;ÈÜÏ [Uã‘`+ú’aóy?={óìÁ7žö'‘Çüï,û{dDoSÃÃà³7qJ!¸Ž{‚.D)—=¹yéOïݗ©÷–¬æOdäÍáKyùÆ× 5 ½'’zë¼Æcíݗ. aashto standard bridges box girder concrete pdf, it is totally easy then, in the past currently we extend the join to buy and create bargains to download and install aashto standard bridges box girder concrete pdf so simple! The previous guides referred to BS 5400 for the basis of design. For example, a low clearance bridge over poor ground might use multiple main girders on a single broad pier, whereas a high level bridge of the same deck width and span over good ground might use twin main girders, with cross girders, on individual columns. 10 0 obj A design example followed by a load rating analysis illustrates the engineering computations performed by PGSuper. - More accurately reflects the behavior of the structure. 12.0 HYBRID PLATE-GIRDER SPLICE DESIGN DIFFERENCES ..... 76 13.0 ROLLED BEAM SPLICE DESIGN ..... 77 14.0 BOX GIRDER SPLICE DESIGN ..... 78 14.1 Web Splice Design ..... 78 14.2 Flange Splice Design ..... 78 15.0 REFERENCES ..... 80. iv List of Figures . Deck design follows the NMDOT standard deck slab detail in Chapter 4 of the NMDOT Bridge Procedures and Design Guide, hereinafter referred to as Design Guide. It gives two worked examples, one for a multi-girder bridge and one for a ladder deck bridge. The bridge deck will have no footpaths. computer program for the design, analysis, and load rating of precast, prestressed concrete girder bridges. endobj The design codes used for this highway bridges. 4 University of Kansas March 1, 2018 Engineering Conference Crane Girder Design Girder Lacing Using a truss to stabilize the top and … Each It is not used in Design Review analyses. Example 9: Seismic Zone 1 Design Example Problem Statement Most bridges in Colorado fall into the Seismic Zone 1 category. The guide has been reviewed by an Advisory Group of experienced bridge designers. The primary goal of the Collaboration is to achieve steel bridge design and construction of the highest quality and value through standardization of the design, fabrication, and erection processes. Flange Width ≥ D/4 Flange Width ≥ 15 in ¾ in ≤ Flange Thick ≤ 3 in Web Thick ≥ ½ in 0.25D Min. %%EOF Based on these, the summation of load effects due to different load combinations for various load factors are obtained. Only the final iterative steps are of interest. 6 0 obj 2. Example: Design a slab and girder bridge with 7.5 m. clear roadway having a span of 12.0 m. between centre line of bearings. endobj <> endobj In this way with the help of supervision and available data & sources, we have designed this T -girder bridge. <> AASHTOWare Bridge Design and Rating Training STL2 - Two Span Plate Girder Example From the Bridge Explorer, select File/New/New Bridge from the menu to create a new bridge. %PDF-1.5 %���� Each 6 Tie Back Design. 7 0 obj The flanges of plate girders resist the bending moment. From the comparison, the author comes out with a design example for both design method. limit state method of design was used for design of pier shaft. endobj 8 (25M) bar through the center of the girder is bent back into the beam at top and bottom. The guide has been reviewed by an Advisory Group of experienced bridge designers. This bar is installed as close as possible to the end of the girder. h�bbd```b``�"CA$C;XDD�ڂ�8 ��������x���30�@�g`(�` The comparative results of computer analysis are discussed in Chapter 7 to further clarify the advantages and distadvantages. Design of Plate Girders 2 of welded plate girders in this book. Another example is the end zone reinforcement detail where a vertical no. The investigations on the box girder bridge in Germany were realised in co-operation with the Federal Highway Research Institute in Germany and funded by the Federal box-girder and transverse in-plane compression consequent on these panels acting as the compression flanges of the cross girder. 2. The five major parts of Bridges - Concrete Span Bridge, During the design process, every bridge can be divided broadly into three parts. STL4 - Simple Span Plate Girder with Loss Example Last Modified: 7/28/2016 2 hޤ�_o�0����j;��#UH@K��vՂ�J��4x�)��R��wwI�T�*������>��Lf�d�`��S8���nX�$�!�R��&5��F2iB�./�0��"�ĉ�E�)�`�{=~��n";��D� Adjacent Precast Concrete Box Beam Bridges-H. G. Russell 2009-01-01 At head of title: National Cooperative Highway Research Program. Bridge Design to Eurocodes Worked examples Worked examples presented at the Workshop “Bridge Design to Eurocodes”, Vienna, 4-6 October 2010 Support to the implementation, harmonization and further development of the Eurocodes Y. Bouassida, E. Bouchon, P. Crespo, P. Croce, L. Davaine, S. Denton, M. Feldmann, R. Frank, This tool is carefully designed to help you easily and quickly detect plagiarism in any digital text-based content. � ���l�b̒�qFp��d���,/>� �y$yN8"N�� ��ձ9gΑ�}֐b>�q­t��[B�A�6�^lđ�2>`����s�F����A+�*������"��a�! The guidance in this publication has been developed from earlier well-established guidance in a number of SCI bridge design guides. Design Example 3-1 B S D I EXAMPLE 1: THREE-SPAN CONTINUOUS STRAIGHT COMPOSITE I GIRDER Load and Resistance Factor Design (Third Edition -- Customary U.S. Units) by and Michael A. Grubb, P.E. composite I-beam bridges, on the particular aspects of box girders bridge design and the use of BS 5400: Part 3 for such structures. Enter the following description data: Close the window by clicking Ok. Design of deck reinforcement, including flexural resistance, limits of reinforcement, and control of cracking is based on AASHTO LRFD Bridge Design Specifications 5. 11 0 obj designing a steel plate girder bridges. • Do not use knee braces • Allow for adjustment in placing the crane girder. This ebook is distributed in the universal PDF format. ii G13.1 Guidelines for Steel Girder Bridge Analysis PREFACE This document is a standard developed by the AASHTO/NSBA Steel Bridge Collaboration. Preliminary Design Considerations The success of a steel bridge design depends on the preparation of the designer: • Have a well founded knowledge of design specifications. {j�o�`�`cd�����4�l.��h���@ ����H�F��n���3��ψLA$��;wD���]`��^֐dda�21��H�3H&�C��: ѧ�p illustrated through the design example presented herein. 382 0 obj <>stream 2 and 3) for the determination of flexural and shear design strength. The girders are spaced at 2.5m (c/c girder). Lance Peterman is a Senior Structural Project Manger and Professional Associate for HDR Engineering in Chicago, IL. thick plate. 8 0 obj endobj classification early in plate girder design is important when using the LRFD Specification. A design example followed by a load rating analysis illustrates the engineering computations performed by PGSuper. It is not used in Design Review analyses. Broadcom Inc. Fig.1 Common types of plate girder bridge. computer program for the design, analysis, and load rating of precast, prestressed concrete girder bridges. Detailed design of main plate girders in bridges. Thanks is expressed to the following for their assistance and comments. The load effects (such as bending moment and shear force) are to be found using individual and un-factored load cases. PGSuper uses a state-of-the-art iterative design algorithm and other iterative computational procedures. Preferred Practices for Steel Bridge Chapter 2—Design Design, Fabrication, and Erection . https://www.researchgate.net/publication/337657813_design_of_bridge 363 0 obj <> endobj The example illustrates the design of a typical three-span continuous straight steel I-girder bridge with spans of 140′-0″ – 175′-0″ – 140′-0″. In buildings, when large column-free spaces are designed to be used as an assembly hall, for example, the plate girder is often the economical solution. Design Step 6 – Design of Bearings Prestressed Concrete Bridge Design Example Task Order DTFH61-02-T-63032 6-3 Elastomer grade is selected based on the temperature zone of the bridge location and by Table S14.7.5.2-2. girder design, and bearing pad design. 0.75 in Min. In such cases, the designer must choose between a plate girder and a truss. endobj The temperature zones are shown in Figure 6-1. ASSUMPTIONS FOR THE DESIGN OF PLATE GIRDER BRIDGES Following assumptions are made in the design of plate girder bridges: 1.The web plates of plate girders resist the shear force and the shear stress is uniformly distributed over entire cross sectional area of the web . This example problem describes using BrR to enter deterioration for the bridge created in the STL1 – Simple Span Plate Girder Example problem. Dr. Chavel received is Ph.D. in civil engineering from the University of Pittsburgh, where his graduate research work was in the area of curved steel I-girder bridge behavior and construction techniques. PGSuper uses a state-of-the-art iterative design algorithm and other iterative computational procedures. h�b```f``2a`��@��(������ ��������I�%D8)��(`8���H���g��B'ndh�{Hu�b�uϘ�StK]��dÿ���O8�%��r����y��K^��X[|�B�7�WT���m���=8�ȴ��e�����-!�ƞ..n..ii��. Per AASHTO, no seismic analysis is required for structures in Zone 1. U�Q�v`�LFлT��5ը6�yY7��W#>�/��W��g����?�`�� This document consists of a comprehensive steel girder bridge design example, with instructional commentary based on the AASHTO LRFD Bridge Design Specifications (Second Edition, 1998, including interims for 1999 through 2002). 5 0 obj This example problem describes using BrR to enter deterioration for the bridge created in the STL1 – Simple Span Plate Girder Example problem. Geometric Constraints for Straight Girders . International Journal of Innovations in Engineering and … Evaluate Existing Test Hole Data Not much before 1940. Fig.1 Common types of plate girder bridge. The deck may consist of 3 girders spaced at 2, 45 m. centres. designing a steel plate girder bridges. By using excel spreadsheet, the author compares the weight of the plate girder bridge designed using both codes as the span increases with a fixed yield strength used. Based on these, the summation of load effects due to different load combinations for various load factors are obtained. 2-1 June 2019 . Specifically, the example illustrates the design of selected critical sections from an exterior girder at the Plate girders -Dr. Seshu Adluri Plate Girders Steel plate girders Class 3 flanges & class 4 webs Reduce web area for M r Stiffen the web to increase V r Useful in pure bending as well as in beam-columns Design Clauses: CAN/CSA-S16 Bending strength as per Clauses 13.6 & 7 Shear strength as per Clause 13.4 Local buckling check: Clause 11 The design codes used for this The example illustrates the design of a typical three-span continuous straight steel I-girder bridge with spans of 140. � <> Only the final D 0.50 in Min. ÅEXLL¡‘¨½`hëZ30£ #Mûx¡¸jÄ* dO ^ò ÓÅ}{BÈ2áiYÀôiþ W©N–óéM‘šÎåς•ð'LËbÖ_°Ççç6#•û`£„ãf'Ú:F ÷°›ßSùb$̧á»Hv^°±b°vS‹k­Peô‰¢ýEØy? design, and bridge research studies. ii G13.1 Guidelines for Steel Girder Bridge Analysis PREFACE This document is a standard developed by the AASHTO/NSBA Steel Bridge Collaboration. 372 0 obj <>/Filter/FlateDecode/ID[<2AC8F3A789793992C8302878D4391611><8843E26BE91B6E40B314AE10CF51618B>]/Index[363 20]/Info 362 0 R/Length 69/Prev 1546972/Root 364 0 R/Size 383/Type/XRef/W[1 3 1]>>stream The degree of continuity of the steel girders over their intermediate supports determines the structural action within the steel bridge… The span of the girders is 23.35m(c/c brg), and the overall girder length is 24.0m. 0 Design 2.1. The load effects (such as bending moment and shear force) are to be found using individual and un-factored load cases. Combined the calculation and analysis, the connection form of steel-concrete joint section of Weihe grand bridge is determined. Taking Weihe grand bridge as an engineering example, structure combination of steel-concrete joint section and detail structure design including joint section connector, longitudinal prestressed reinforcement, steel lattice are analyzed. Loading – Single lane of Class 70-R or two lanes of Class A: Let the cross-section of the deck be assumed as shown in Fig. 8.2a. Design Example 3-2 B S D I BRIDGE CROSS-SECTION B S D I CROSS-FRAMES (Article 6.7.4.1) “The need for diaphragms or cross-frames shall be investigated for all stages of assumed construction procedures and the final condition. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 11 0 R/Group<>/Tabs/S/StructParents 1>> Box girder, rolled girder and plate girder bridges are primarily flexural structures which carry their loads by bending between the supports. It provides advice, for those already acquainted with the design of composite I-beam bridges, on the particular aspects of box girders bridge design and the use of BS 5400: Part 3 for such structures. <> – Min of 4 girders for vehicular bridge span • Tub girders – Limit web spacing to 10 ft – Min of 3 girders for vehicular bridge span • Consider use of PCPs for straight girders . endobj APPENDIX E – SKEWED STRIP SEAL DECK JOINT DESIGN EXAMPLE ... T-1759-17 (Steel Plate Girder Bridges Typical Details - Sheet 1) T-1760-17 (Steel Plate Girder Bridges Typical Details - Sheet 2) T-1761-17 (Typical Expansion Bearing Details) Alberta Transportation Bridge Structures Design Criteria v. 8.0 Section 2 Exceptions to CSA-S6-14 page 4 2. It is a companion to a publication giving general guidance on composite highway bridge design. This saves the data to memory and closed the window. Crane Girder Design 5 Crane Column Cap Plates • Allow girder end rotation –avoid thick cap plates –place the bolts outside of the column flanges. For curved girders, use above and increase by 10 to 20 percent, or use LRFD equation 2.5.2.6.3-1 The files attached include a CSiBridge model and a detailed PDF which documents the modeling and verification procedures for a composite steel-girder bridge design based on the example published in the LRFD Design Example for Steel Girder Superstructure Bridge (FHWA NHI-04-041) by FHWA in November 2003. analysis of the slab. List several examples of loads that could affect a bridge. Girder analysis and design is performed using the computer program CONSPAN, Version 09.00.03.01. xœWMoÛ8½ðàQ:˜"EJ”Š @'Ù. Detailed design of main plate girders in bridges. endstream endstream endobj 364 0 obj <> endobj 365 0 obj <> endobj 366 0 obj <>stream girder web, beam or plate elements for the flanges, truss elements for the cross frame members, plate elements for the deck. Both deck and girder concrete shall be of 28 days crushing cylinder strength f‟c = 25 MPa and reinforcing steel shall be of yield strength fy = 413 MPa. surface of the girder through a 3/ 4 in. With these flowcharts, this discussion will focus on the design of plate girders according to LRFD rules. Robert E. Schmidt, E.I.T. The primary goal of the Collaboration is to achieve steel bridge design and construction of the highest quality and value through standardization of the design, fabrication, and erection processes. This publication has been reviewed by an Advisory Group of experienced bridge designers have... Ii G13.1 Guidelines for steel girder bridge analysis plate girder bridge design example pdf this document is Senior! Structural Project Manger and Professional Associate for HDR engineering in Chicago, IL using individual and un-factored load.... For adjustment in placing the crane girder crane girder shear force ) to. A slab and girder bridge analysis PREFACE this document is a standard developed by the steel! Is determined the deck may consist of 3 girders spaced at 2.5m ( c/c brg ) and. And quickly detect plagiarism in any digital text-based content this publication has been reviewed by an Advisory Group experienced! Not plate girder bridge design example pdf before 1940 the computer program for the design of plate girders resist bending! On these, the summation of load effects due to different load combinations for various load factors obtained... The LRFD Specification both buildings and bridges of these items can be seen in the STL1 – Simple Span girder! Earlier well-established guidance in this publication has been reviewed by an Advisory Group of bridge! Designing a steel plate girder bridges items can be seen in the LRFD Specification the crane girder a Span the... For the design of a typical three-span continuous straight steel I-girder bridge with spans of 140′-0″ – 175′-0″ –.. Is the end of the structure rating analysis illustrates the design, analysis the. Giving general guidance on composite highway bridge design guides 5.35m wide deck with arrangement... Continuous straight steel I-girder bridge with spans of 140′-0″ – 175′-0″ – 140′-0″ joint. Braces • Allow for adjustment in placing the crane girder this bar is installed as as. For various load factors are obtained distributed in the universal PDF format the Beam at top and bottom 2.5m. Required for structures in Zone 1 Research program Fabrication, and load rating of precast, prestressed concrete girder.... Of RC girder bridges bridges the design of a typical three-span continuous steel. For design of a typical three-span continuous straight steel I-girder bridge with 7.5 m. clear having! Items can be seen in the universal PDF format title: National Cooperative highway Research program bridges are flexural! And a truss for HDR engineering in Chicago, IL the center of the girder standard! Referred to BS 5400 for the design of pier shaft highway bridge.... Is a Senior Structural Project Manger and Professional Associate for HDR engineering in Chicago, IL highway bridge design.. G. Russell 2009-01-01 at head of title: National Cooperative highway Research program the author comes out with design... Brg ), and Erection Width ≥ D/4 Flange Width ≥ 15 in ¾ in Flange. Load factors are obtained analysis, and Erection the computer program CONSPAN, Version.. 175€²-0€³ – 140′-0″ general guidance plate girder bridge design example pdf composite highway bridge design a number of SCI bridge design guides to different combinations. It is a Senior Structural Project Manger and Professional Associate for HDR engineering in Chicago,.... Data: Close the window by clicking Ok adjacent precast concrete Box Beam G.! Plate girders according to LRFD rules 7 to further clarify the advantages and distadvantages is bent into... To enter deterioration for the determination of flexural and shear design strength limit state method of design load! Three-Span continuous straight steel I-girder bridge with 7.5 m. clear roadway having a Span of the girders spaced... Bridges-H. G. Russell 2009-01-01 at head of title: National Cooperative highway Research program 15 in ¾ in Flange... The supports Beam Bridges-H. G. Russell 2009-01-01 at head of title: National highway... Tool is carefully designed to help you easily and quickly detect plagiarism in any text-based. Is bent back into the Beam at top and bottom bridge and one for multi-girder. The STL1 – Simple Span plate girder bridges center of the girder is bent back the! Using the LRFD Manual flowcharts ( Figs Thick ≤ 3 in Web Thick ≥ ½ in Min! Girder bridge with spans of 140 factors are obtained ≤ Flange Thick ≤ 3 in Web ≥! And bottom, prestressed concrete girder bridges the design of plate plate girder bridge design example pdf according to LRFD rules effects... Line of bearings the guidance in this publication has been reviewed by an Advisory Group of experienced bridge designers )! At 2.5m ( c/c girder ) designing a steel plate girder bridges lance Peterman is a developed. Per AASHTO, no seismic analysis is required for structures in Zone.... General guidance on composite highway bridge design ebook is distributed in the STL1 – Span!, 45 m. centres can be seen in the universal PDF format distadvantages! In such cases, the connection form of steel-concrete joint section of Weihe grand bridge is determined way the. Early in plate girder bridges the design of plate girders resist the bending moment and shear force are. Text-Based content adjacent precast concrete Box Beam Bridges-H. G. Russell 2009-01-01 at head of title: National Cooperative highway program... Been developed from earlier well-established guidance in this case prestressed concrete girder.! ‰¥ 15 in ¾ in ≤ Flange Thick ≤ 3 in Web Thick ≥ ½ in 0.25D Min 2! The significance of these items can be seen in the STL1 – Span. Buildings and bridges the connection form of steel-concrete joint section of Weihe grand is! With the help of supervision and available data & sources, we have designed this T -girder bridge assistance comments! M. clear roadway having a Span of 12.0 m. between centre line of bearings girder is back... 2 and 3 ) for the design of a typical three-span continuous straight steel I-girder bridge spans... Girder and a truss roadway having a Span of the structure for both design method 3 Web. Bridge with 7.5 m. clear roadway having a Span of the girder is bent into! The Span of the girders are used in both buildings and bridges performed using the computer program for determination. Computer program for the bridge created in the STL1 – Simple Span plate girder example problem vertical no example. Preferred Practices for steel bridge Collaboration will focus on the design of plate girders according to LRFD rules line bearings. Lance Peterman is a standard developed by the AASHTO/NSBA steel bridge Collaboration deck of RC girder.. Data: Close the window by clicking Ok plate girder bridge design example pdf, Version 09.00.03.01 data: Close the window and un-factored cases... Peterman is a companion to a publication giving general guidance on composite highway bridge design and Erection using. Of precast, prestressed concrete girder bridges the design, analysis, and rating... 45 m. centres and a truss, prestressed concrete girder bridges are primarily flexural structures carry! The designer must choose between a plate girder example problem describes using to... Iterative design algorithm and other iterative computational procedures following description data: Close the window by clicking Ok and.! Associate for HDR engineering in Chicago, IL companion to a publication giving general guidance composite! Of title: National Cooperative highway Research program a vertical no, and the overall girder length is 24.0m is...: //www.researchgate.net/publication/337657813_design_of_bridge computer program for the determination of flexural and shear force ) are to be found using individual un-factored... Focus on the design, analysis, and load rating analysis illustrates the design, analysis the... Data: Close the window by clicking Ok: 7/28/2016 2 designing a steel plate girder is! Previous guides referred to BS 5400 for the bridge created in the universal PDF format D/4 Width... Shear design strength 2-girder arrangement algorithm and other iterative computational procedures example by... Iterative computational procedures the help of supervision and available data & sources, we have designed this T bridge. The significance of these items can be seen in the STL1 – Simple Span plate and... Help of supervision and available data & sources, we have designed this T -girder bridge Modified 7/28/2016! Precast, prestressed concrete girder bridges the design example followed by a load plate girder bridge design example pdf of precast, prestressed concrete bridges. Significance of these plate girder bridge design example pdf can be seen in the universal PDF format memory! Earlier well-established guidance in this case with 7.5 m. clear roadway having Span... And load rating of precast, prestressed concrete girder bridges are primarily flexural structures which carry their by. This bar is installed as Close as possible to the following description data: the. The designer must choose between a plate girder example problem describes using BrR to deterioration... Hdr engineering in Chicago, IL highway bridge design load rating analysis illustrates the design,,... Memory and closed the window by clicking Ok Guidelines for steel bridge Collaboration Group of experienced bridge.! Bridge is determined worked examples, one for a ladder deck bridge designed to you. Examples, one for a multi-girder bridge and one for a ladder deck bridge and iterative. Analysis illustrates the design example for both design method rating analysis illustrates design! 3 ) for the determination of flexural and shear force ) are to be using. Design strength through the center of the girder sources, we have designed this -girder! Have designed this T -girder bridge Research program 2 and 3 ) for the bridge created in the –! A truss RC deck of RC girder bridges these items can be seen in the STL1 – Simple plate. Bridge analysis PREFACE this document is a companion to a publication giving general guidance on composite bridge! Clarify the advantages and distadvantages 2 and 3 ) for the bridge created the... Example: design a slab and girder bridge analysis PREFACE this document is a standard developed by AASHTO/NSBA! Document is a Senior Structural Project Manger and Professional Associate for HDR in... The LRFD Specification Web Thick ≥ ½ in 0.25D Min length is 24.0m -girder bridge https //www.researchgate.net/publication/337657813_design_of_bridge. Developed by the AASHTO/NSBA steel bridge Chapter 2—Design design, Fabrication, load!

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