河南水利与南水北调2023，Vol.52Issue(11)：124-125,2.
土石坝防渗墙特性参数对渗流稳定性影响分析
Analysis of Influence of Characteristic Parameters of Cut-off Wall on Seepage Stability of Earth-rock Dam
张新闻1
作者信息
- 1. 河南省水务规划设计研究有限公司汕头分公司,广东 汕头 515000
- 折叠
摘要
Abstract
In order to study the influence of the characteristic parameters of cut-off wall on the seepage stability of dam,the influence of the height,depth and water level of cut-off wall on the seepage ratio and uplift pressure ratio is systematically studied based on numerical simulation.The results show that when the depth of the cut-off wall is more than 30 m,the effect of the cut-off effect tends to be stable gradually.With the increase of the resistance coefficient of the cut-off wall,the uplift pressure tends to fluctuate.The position of the cut-off wall should be as close as possible to the heel of the water side dam to reduce the uplift pressure of the dam foundation.The research results can provide reference for seepage control of earth-rock dam.关键词
土石坝/渗流稳定性/防渗墙/数值模拟/特征参数Key words
earth-rock dam/seepage stability/cut-off wall/numerical simulation/characteristic parameter分类
建筑与水利引用本文复制引用
张新闻..土石坝防渗墙特性参数对渗流稳定性影响分析[J].河南水利与南水北调,2023,52(11):124-125,2.
