原文传递
Erosion of a Seaward Dike Slope by Wave Action
| 题名： | Erosion of a Seaward Dike Slope by Wave Action |
| 其他题名： | Dean,R.G.,Rosati,J.D.,Walton,T.L.,and Edge,B.L.(2010)."Erosional equivalences of levees:Steady and intermittent wave overtopping."Ocean Eng.,37(1),104-113. |
| 正文语种： | 英文 |
| 作者： | Nobuhisa Kobayashi |
| 关键词： | Levee;Dike;Erosion;Grass;Clay;Breaking waves |
| 摘要： | A dike erosion model is developed to predict the temporal and cross-shore variations of vertical erosion depth under irregular wave action. The product of the erosion rate and the turf resistance force is related to the rate of erosion work by turbulence generated by wave energy dissipation caused by wave breaking and bottom friction. The turf resistance force is expressed using the turf thickness and the surface and underneath resistance parameters. The empirical parameters are calibrated using available data. The calibrated model is shown to reproduce the relation between the limiting velocity and steady flow duration, the erosion rate on a seaward grassed slope, and the eroded profile evolution of a seaward clay slope. The turf resistance parameters are uncertain and will need to be calibrated for specific dikes. |
| 出版年： | 2015 |
| 论文唯一标识： | P-108Y2015V141N02005 |
| 英文栏目名称： | Technical Papers |
| doi： | 10.1061/(ASCE)WW.1943-5460.0000271 |
| 期刊名称： | Journal of Waterway, Port, Coastal, and Ocean Engineering |
| 拼音刊名(出版物代码)： | P-108 |
| 卷： | 141 |
| 期： | 02 |
| 页码： | 42-48 |
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