TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 496: Minimizing Roadway Embankment Damage from Flooding documents the state-of-the-practice on how the transportation community is protecting roadways and mitigating damage from inundation and overtopping. This report highlights major issues and design components specific to roadway embankment damage from flooding. It documents the mechanics of damage to the embankment and pavement, and the analysis tools available. The probable failure mechanisms are identified and various design approaches and repair countermeasures are highlighted.
Table of Contents
|CHAPTER TWO Failure Modes||10-15|
|CHAPTER THREE Case Examples||16-28|
|CHAPTER FOUR Hydrologic and Hydraulic Factors||29-40|
|CHAPTER FIVE Geotechnical and Geological Factors||41-54|
|CHAPTER SIX Legal, Regulatory, and Funding Aspects||55-58|
|CHAPTER SEVEN Probability and Risk||59-61|
|CHAPTER EIGHT Summary of Survey Results||62-69|
|CHAPTER NINE Design Considerations||70-73|
|CHAPTER TEN Countermeasures, Maintenance, and Repair||74-77|
|CHAPTER ELEVEN State of Research and Conclusions||78-81|
|APPENDIX A Survey Questionnaire||94-108|
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