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TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 474: Service Life of Culverts explores the time during which a culvert is expected to provide a desired function with a specified level of maintenance established at the design or retrofit stage.

This study is an update of NCHRP Synthesis 254: Service Life of Drainage Pipe (1998), which itself was an update of NCHRP Synthesis 50: Durability of Drainage Pipe (1978). Developments in plastic pipe, fiber-reinforced concrete pipe, polymeric-coated metal pipe, recycled materials, larger and more diverse structures, and sophisticated analytical soil-structure interaction modeling within the past 15 years led to the development of this report.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2015. Service Life of Culverts. Washington, DC: The National Academies Press. https://doi.org/10.17226/22140.

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Publication Info

133 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/22140
Chapters skim
Front Matter i-viii
Report Contents 1-5
CHAPTER TWO Synthesis of the State of the Practice 6-9
CHAPTER THREE Degradation Mechanisms 10-20
CHAPTER FOUR Pipe Materials 21-35
CHAPTER FIVE Pipe Protection, Repair, Rehabilitation, and Replacement 36-40
CHAPTER SIX Inspection 41-44
CHAPTER SEVEN Life-Cycle Cost Analysis 45-45
CHAPTER EIGHT Conclusions 46-50
REFERENCES 51-54
APPENDIX A State of the Practice Survey Results 55-110
APPENDIX B Summary of Service Life Calculation Methods 111-125
APPENDIX C Example Service Life Calculations 126-137

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