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Bridge Deck Design - Federal Highway Administration

D ve Steel Bridge Design Handbook i Department of Transportation Federal Highway Administration ch Bridge deck Design Publication No. FHWA-IF-12-052 - Vol. 17. Ar November 2012. d i ve ch Notice This document is disseminated under the sponsorship of the Department of Transportation in the interest of information exchange. The Government assumes no liability for use of the Ar information contained in this document. This report does not constitute a standard, specification, or regulation. Quality Assurance Statement The Federal Highway Administration provides high -quality information to serve Government, industry, and the public in a manner that promotes public understanding.

Steel Bridge Design Handbook November 2012 U .S. Department of Transportation Federal High way Administration Bridge Deck Design. Archived. Publication No. FHWA-IF-12-052 - Vol. 17

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Transcription of Bridge Deck Design - Federal Highway Administration

1 D ve Steel Bridge Design Handbook i Department of Transportation Federal Highway Administration ch Bridge deck Design Publication No. FHWA-IF-12-052 - Vol. 17. Ar November 2012. d i ve ch Notice This document is disseminated under the sponsorship of the Department of Transportation in the interest of information exchange. The Government assumes no liability for use of the Ar information contained in this document. This report does not constitute a standard, specification, or regulation. Quality Assurance Statement The Federal Highway Administration provides high -quality information to serve Government, industry, and the public in a manner that promotes public understanding.

2 Standards and policies are used to ensure and maximize the quality, objectivity, utility, and integrity of its information. FHWA periodically reviews quality issues and adjusts its programs and processes to ensure continuous quality improvement. Steel Bridge Design Handbook: Bridge deck Design Publication No. FHWA-IF-12-052 Vol. 17. November 2012. d i ve ch Ar Ar ch ive d Technical Report Documentation Page 1. Report No. 2. Government Accession No. 3. Recipient's Catalog No. FHWA-IF-12-052 Vol. 17. 4. Title and Subtitle 5. Report Date Steel Bridge Design Handbook: Bridge deck Design November 2012. 6. Performing Organization Code 7.

3 Author(s) 8. Performing Organization Report No. Brandon Chavel, , PE. 9. Performing Organization Name and Address 10. Work Unit No. HDR Engineering, Inc. 11 Stanwix Street 11. Contract or Grant No. Suite 800. Pittsburgh, PA 15222. d 12. Sponsoring Agency Name and Address 13. Type of Report and Period Covered Office of Bridge Technology Technical Report Federal Highway Administration March 2011 November 2012. 1200 New Jersey Avenue, SE. 14. Sponsoring Agency Code Washington, 20590. 15. Supplementary Notes 16. Abstract ve The primary function of a Bridge deck is to support the vehicular vertical loads and distribute these loads to the steel superstructure.

4 This module provides practical information regarding the decking options and Design considerations for steel bridges, presenting deck types such as concrete deck slabs, metal grid decks, orthotropic steel decks, wood decks, and several i others. The choice of the particular deck type to use can depend on several factors, which may include the specific application, initial cost, life cycle cost, durability, weight, or owner requirements. For the deck types discussed herein, a brief description of ch the particular deck type is given, in addition to general Design and detail considerations. Ar 17. Key Words 18. Distribution Statement Steel Bridge , deck Design , Concrete deck , Precast No restrictions.

5 This document is available to the public through Concrete deck , Wood deck , Metal Grid deck , Orthotropic the National Technical Information Service, Springfield, VA. deck 22161. 19. Security Classif. (of this report) 20. Security Classif. (of this page) 21. No of Pages 22. Price Unclassified Unclassified Form DOT F (8-72) Reproduction of completed pages authorized Ar ch ive d Steel Bridge Design Handbook: Bridge deck Design Table of Contents FOREWORD .. 1. INTRODUCTION .. 3. CONCRETE deck SLABS .. 4. d General .. 4. Traditional Design Method (Equivalent Strip Method) .. 4. i ve Empirical Design Method .. 6. Other Methods of Analysis and Design .

6 6. Bridge deck Overhang (Cantilever Slab) and Barriers (Railings) .. 7. Precast deck Slabs .. 7. Full-depth precast concrete deck panels .. 8. Partial-depth precast concrete deck panels .. 10. ch Post Tensioning of Cast-in-Place deck Slabs .. 12. Edge Support .. 12. Formwork .. 13. Stay-in-place formwork .. 13. Temporary formwork .. 14. Ar deck Overhang Brackets .. 15. Serviceability .. 16. Minimum Negative Flexure Concrete deck Reinforcement .. 16. Detailing Considerations .. 17. Skewed Bridges .. 17. Future deck Replacement .. 18. Haunches .. 18. Cast-in-place deck Placement Sequence .. 19. Concrete deck Reinforcement .. 19. i METAL GRID DECKS.

7 21. General .. 21. Open Metal Grid deck .. 22. Filled and Partially Filled Metal Grid deck .. 23. Unfilled Metal Grid deck Composite with Reinforced Concrete Slab .. 24. Design and Detailing 25. Analysis and Determination of Force Effects .. 25. Typical Applications .. 26. Composite Action .. 26. d Cast-In-Place and Precast Construction Methods .. 26. deck Overhang .. 27. ORTHOTROPIC STEEL DECKS .. 28. ve Typical deck Sections and Applications .. 29. Design and Detailing 31. Wearing Surfaces .. 31. WOOD DECKS .. 33. i Types of Wood Decks .. 33. ch Glued Laminated deck .. 33. Stress Laminated deck .. 33. Spike Laminated deck .. 34.

8 Plank Decks .. 34. Wearing Surfaces .. 35. Ar OTHER deck SYSTEMS .. 36. Fiber Reinforced Polymer (FRP) Bridge Decks .. 36. Aluminum Decks .. 37. Sandwich deck Panels .. 38. SUMMARY .. 40. REFERENCES .. 41. ii List of Figures Figure 1 Bridge deck being constructed with full depth precast concrete deck panels (courtesy Iowa DOT).. 8. Figure 2 Construction workers adjusting the elevation of the full depth precast concrete deck panels by adjusting leveling bolts (courtesy Iowa DOT).. 9. Figure 3 Detail sketch of a female-to-female type shear key transverse joint.. 10. Figure 4 Partial-depth precast concrete deck panel.. 11. Figure 5 Photo showing permanent steel stay-in-place deck formwork installed on a steel plate I- girder Bridge .

9 14. d Figure 6 Photo showing temporary wood formwork installed on a steel plate I-girder Bridge .. 14. Figure 7 Photo showing deck overhang brackets supporting cantilever slab construction on a ve steel plate I-girder Bridge .. 15. Figure 8 Inadequate reinforcement provided in acute corner of concrete deck slab (8) .. 17. Figure 9 Breakback detailing to eliminate skew effects associated with detailing acute corners at ends of skewed deck slab (8) .. 18. Figure 10 Open Steel Grid deck (courtesy of BGFMA (11)) .. 22. i Figure 11 Filled Steel Grid deck (courtesy of BGFMA (11)).. 23. ch Figure 12 Partially Filled Steel Grid deck (courtesy of BGFMA (11)).

10 24. Figure 13 Unfilled Metal Grid deck Composite with Reinforced Concrete Slab .. 25. Figure 14 Orthotropic Steel deck Integral with Plate Girder (taken from AISC (16)) .. 28. Figure 15 Common Rib Types for Orthotropic Steel Decks .. 30. Ar Figure 16 Cross section sketch of stress laminated wood deck (21) .. 34. Figure 17 Photo showing the installation of an FRP deck panel for deck replacement project in New York State (courtesy NYSDOT and FHWA) .. 36. Figure 18 Typical aluminum rib extrusion cross section for use in an aluminum Bridge deck panel (23) .. 37. Figure 19 Example of an aluminum deck panel created by welding rib extrusions together at the top and bottom flanges of the extrusion (24).


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