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http://dx.doi.org/10.5574/IJOSE.2012.2.4.200

SPH Modeling of Surge Overflow over RCC Strengthened Levee  

Li, Lin (Department of Civil and Environmental Engineering, Jackson State University)
Amini, Farshad (Department of Civil and Environmental Engineering, Jackson State University)
Rao, Xin (State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University)
Tang, Hongwu (State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University)
Publication Information
International Journal of Ocean System Engineering / v.2, no.4, 2012 , pp. 200-208 More about this Journal
Abstract
Surge overflow may cause damage on earthen levees. Levee strengthened on the levee crest and landward-side slope can provide protection against the erosion damage induced by surge overflow. In this paper, surge overflow of a roller compacted concrete RCC strengthened levee was studied in a purely Lagrangian and meshless approach, the smoothed particle hydrodynamics (SPH) method. After verifying the developed model with analytical solution and comparing the results with full-scale experimental data, the roughness and erosion parameters were calibrated. The water thickness, flow velocity, and erosion depth at crest, landward-side slope and toe were calculated. The characteristics of flow hydraulics and erosion on the RCC strengthened levee are given. The results indicate that the RCC strengthened levee can resist erosion damage for a long period.
Keywords
SPH method; Surge Overflow; Roller compacted concrete; Levee; Erosion;
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