Abstract

ABSTRACT Yuan, S.; Li, L.; Amini, F., and Tang, H., 2015. Sensitivity of combined turbulent wave overtopping and storm surge overflow response to variations in levee geometry. Overtopping of earthen levees produces fast-flowing, turbulent water velocities on the land-side slope that can damage the protective grass covering and expose the underlying soil to erosion. High-performance turf reinforcement mat (HPTRM) is one of the most advanced flexible armoring technologies for severe erosion challenges. Response to combined wave overtopping and storm surge overflow of an HPTRM-strengthened levee was studied in a three-dimension full-scale numerical flume. Little information is known about the role of levee geometry in the performance of an HPTRM-strengthened levee during turbulent overtopping conditions. The goal of this study was to investigate the sensitivity of combined wave overtopping and storm surge overflow response to variations in levee geometry. This is important since the geometry directly impacts...

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