TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 489: Extending Bridge Service Life Through Field Welded Repairs and Retrofits documents practices associated with field welded repairs on existing steel bridges used by bridge owners. The information presented includes the extent to which field welding is performed on existing bridges, common types of field welded repairs and retrofits, specifications, and quality control practices.
National Academies of Sciences, Engineering, and Medicine. 2016. Extending Bridge Service Life Through Field Welded Repairs and Retrofits. Washington, DC: The National Academies Press. https://doi.org/10.17226/23451.
Chapters | skim | |
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Front Matter | i-vii | |
Summary | 1-3 | |
Chapter One - Introduction | 4-6 | |
Chapter Two - Literature Review | 7-17 | |
Chapter Three - State of the Practice | 18-27 | |
Chapter Four - Case Examples | 28-39 | |
Chapter Five - Conclusions | 40-42 | |
Glossary | 43-44 | |
References | 45-46 | |
Appendix A - Department of Transportation Links | 47-47 | |
Appendix B - Survey Questionnaire | 48-55 | |
Appendix C - Summary of Survey Results | 56-66 |
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