Table of Contents
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Front Matter	i-ix
Chapter 1 - Introduction	1-2	(skim)
Domestic Practice	3-4	(skim)
Foreign Practice	5-5	(skim)
Field Problems	6-7	(skim)
Codes and Design Standards	8-8	(skim)
Step 3 Check the Web Width	9-9	(skim)
Step 6 Determine Required Spacing of Stirrups	10-10	(skim)
Step 2 Determine the Cross-Section Parameters	11-11	(skim)
Step 6 Check the Longitudinal Reinforcement	12-12	(skim)
Design Philosophy	13-13	(skim)
Global Analysis	14-19	(skim)
Laboratory Experiments	20-20	(skim)
Flexure and Flexural Shear	21-22	(skim)
Torsion	23-24	(skim)
Tendon Breakout and Deviation Saddles	25-27	(skim)
Time Dependency	28-28	(skim)
Detailing	29-29	(skim)
Summary	30-30	(skim)
Analysis Cases	31-31	(skim)
Structural Analysis	32-33	(skim)
Loads	34-34	(skim)
Results Review	35-35	(skim)
Summary of Results	36-36	(skim)
Conclusions of the Parametric Study	37-37	(skim)
Diaphragm	38-38	(skim)
Skewed Abutments	39-40	(skim)
Long-Term Creep	41-43	(skim)
Chapter 5 - Regional and Local Response Analysis Studies	44-44	(skim)
Test Model and Test Conduct	45-50	(skim)
Local Analysis of Multicell Box-Girders	51-51	(skim)
Model Prototype: Three-Cell Cast-In-Place Box Girder	52-52	(skim)
Multicell Models - Analysis Results	53-56	(skim)
Discussion of Results	57-62	(skim)
Model Prototype: Single-Cell CIP Box Girder	63-65	(skim)
Single-Cell Models Analysis Results	66-66	(skim)
Discussion of Results	67-71	(skim)
Summary of Influences from Detailing Parameters	72-74	(skim)
Recommendations for Web Capacity Design	75-78	(skim)
Chapter 6 - Conclusions	79-83	(skim)
References/Bibliography	84-86	(skim)
Appendixes	87-87	(skim)
Abbreviations used without definitions in TRB publications	88-88	(skim)

Description

TRB's National Cooperative Highway Research Program (NCHRP) Report 620: Development of Design Specifications and Commentary for Horizontally Curved Concrete Box-Girder Bridges explores proposed specifications and examples for the design of horizontally curved concrete box-girder highway bridges.

Potential LRFD specifications and design examples illustrating the application of the design methods and specifications are available online as appendixes to NCHRP Report 620.

Appendix A - Proposed LRFD Specifications and Commentary
Appendix B - Example Problems
Appendix C - Global Analysis Guidelines
Appendix D - State of Practice Summary for the United States
Appendix E - Detailed Global Analysis Results
Appendix F - Detailed Local Analysis Results

NCHRP Report 620:

Development of Design Specifications and Commentary for Horizontally Curved Concrete Box-Girder Bridges

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