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The National Academies

NCHRP Synthesis 20-05/Topic 46-16 [Final (Synthesis)]

Minimizing Roadway Embankment Damage from Flooding
[ NCHRP 20-05 (Synthesis of Information Related to Highway Practices) ]

  Project Data
Funds: $40,000
Authorization to Begin Work: 9/30/2014 -- estimated
Staff Responsibility: Tanya M. Zwhalen (consultant)
Research Agency: Texas A&M University
Principal Investigator: Jean-Louis Briaud
Effective Date: 11/18/2014
Completion Date: 8/2/2016
Fiscal Year: 2014

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.

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