NCHRP Report 549: Simplified Shear Design of Structural Concrete Members
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NCHRP Report 549:
Simplified Shear Design of Structural Concrete Members
(2006)
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Overview

Authors

Description

TRB's National Cooperative Highway Research Program (NCHRP) Report 549: Simplified Shear Design of Structural Concrete Members examines development of practical equations for design of shear reinforcement in reinforced and prestressed concrete bridge girders. The report also includes recommended specifications, commentary, and examples illustrating application of the specifications. NCHRP Web-Only Document 78 contains extensive supporting information, including a database that can be used to compare the predictions from the recommended procedures to existing design procedures.

Topics

  • Transportation — Design
  • Transportation — Bridges and Other Structures

Publication Info

64 pages | 8.5 x 11
Contents

Table of Contents

skim chapter
Front Matter i-ix
Summary 1-4
1.1.1 Summary of the LRFD Sectional Design Model (S5.8.3) 5-9
1.1.2 Basis of the LRFD Sectional Design Model 10-10
1.1.3 Comparison of AASHTO LRFD and AASHTO Standard Specifications 11-11
1.2.1 Development of Traditional U.S. Code Provisions for Shear 12-13
1.2.3 Other Approaches and Design Provisions 14-14
1.2.4 Factors Influencing Shear Resistance 15-15
1.2.6 Analysis Tools 16-16
1.2.7 Design Cases 17-17
1.3.2 Research Approach and Project Tasks 18-19
2.1.1 Type 1: Empirical Relationships Designed to Fit Test Data 20-20
2.1.3 Type 3: Relationships Derived from Comprehensive Behavioral Model 21-22
2.2 Comparison of Shear Design Methods 23-25
2.3 Evaluation of Shear Design Methods Using Test Database 26-27
2.4 Results of Survey of Practice 28-29
2.5 Criteria for Proposed Simplified Provisions 30-30
3.1.1 Basis of Proposed Simplified Provisions 31-31
3.1.2 Proposed Simplified Provisions 32-32
3.3 Discussion of Design Examples 33-35
3.4 Evaluation of Simplified Provisions with Selected Test Data 36-36
3.5 Comparison of Required Strength of Shear Reinforcement in Design Database 37-40
3.6.2 AASHTO-Standard Specifications - > LRFD Proposed Simplified Provisions (Modified Standard) 41-41
3.7.2 Maximum Shear Design Stress Limit 42-42
3.7.4 Evaluation of Change Proposals using Design Cases Examples 43-44
3.8 Utilization of NCHRP Process 12-50 45-46
4.1.2 Role of Experimental Research and Field Experience 47-47
4.1.4 Differences in Shear Design Provisions 48-48
4.2 Recommended Research, 49-49
Notation 50-52
References 53-54
Abbreviations used without definitions in TRB publications 55-55

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