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Long-Term Performance of Polymer Concrete for Bridge Decks

Posted By: exLib
Long-Term Performance of Polymer Concrete for Bridge Decks

Long-Term Performance of Polymer Concrete for Bridge Decks
TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 423. A Synthesis of Highway Practice
TRB, NAS Press | 2011 | ISBN: 9780309143547 | 75 pages | PDF | 5 MB

This report addresses a number of topics related to thin polymer overlays (TPOs). Those topics include previous research, specifications, and procedures on TPOs; performance of TPOs based on field applications; the primary factors that influence TPO performance; current construction guidelines for TPOs related to surface preparation, mixing and placement, consolidation, finishing, and curing; repair procedures; factors that influence the performance of overlays, including life-cycle cost, benefits and costs, bridge deck condition, service life extension, and performance; and successes and failures of TPOs, including reasons for both.

CONTENTS
SUMMARY
CHAPTER ONE INTRODUCTION
Background
Scope
Major Definitions
Methodology for Obtaining Information
Report Organization
CHAPTER TWO LITERATURE FINDINGS AND SPECIFICATIONS
Uses of Thin Polymer Overlays
Pre-Overlay Evaluation
Repairs
Materials Used in Overlays
Installation
Quality Control Tests
Test Methods
Thin Polymer Overlay Field Sections
Failures
Stresses in Overlays
Special Applications
Service Life
Warranties
Relative Cost
Specifications
CHAPTER THREE PERFORMANCE OF OVERLAYS FROM SURVEYS AND INTERVIEWS
Scope of Surveys
General Responses
Overlay Cost
Causes of Failures
Specifications
Materials
Contractor Interviews
Material Supplier Interviews
CHAPTER FOUR PROVEN PRACTICES
Candidates for Overlays
Overlay Types
Materials
Aggregates
Qualification of Substrate
Installation Methods
CHAPTER FIVE REPAIR
CHAPTER SIX CONCLUSIONS
Research Needs
REFERENCES
BIBLIOGRAPHY
GLOSSARY OF TERMS
APPENDIX A QUESTIONNAIRES
APPENDIX B STRESSES IN OVERLAYS
APPENDIX C WARRANTY AND PAYMENT BOND
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