CONTENTS
1 Summary
4 Chapter 1 Introduction
4 1.1 Background
4 1.2 Project Objectives and Scope
4 1.3 Research Plan and Methodology
5 1.4 Organization of the Project
6 Chapter 2 Findings
6 2.1 Materials Testing
7 2.2 Interface Shear Strength
8 2.3 Laboratory Beam Tests
8 2.4 Shear Tests
8 2.5 Time-Dependent Behavior of Lab-Cast and Full-Scale Beams
10 Chapter 3 Background and Research Approach
10 3.1 Mix Designs and Material Properties
23 3.2 Interface Shear Strength
33 3.3 Laboratory Beam Test Results and Analysis
40 3.4 Shear Performance of Full-Scale Beams
49 3.5 Time-Dependent Behavior of Lab-Cast and Full-Scale Beams
62 3.6 Design Examples
64 Chapter 4 Interpretation, Appraisal, and Application
65 Chapter 5 Conclusions and Suggested Research
65 5.1 Material Properties
65 5.2 Interface Shear Strength
65 5.3 Shear Tests
66 5.4 Transfer and Development Length Testing
66 5.5 Time-Dependent Behavior
66 5.6 Design Examples and Parametric Studies
66 5.7 Recommendations for Future Research
68 References
69 A Proposed Changes to AASHTO LRFD Bridge
Design Specifications
80 Attachment B Proposed Changes to AASHTO LRFD Bridge