Unsaturated Seepage and Fluid-Solid Coupling Analysis of Rainfall Infiltration of Slope

被引：1
|
作者：
Xiong, Baolin [1 ]
Tang, Jingsong [1 ,2 ]
Lu, Chunjiao
机构：
[1] Shijiazhuang Railway Univ, Dept Civil Engn, Shijiazhuang 050043, Peoples R China
[2] Tsinghua Univ, Durability China Educ Min, Dept Civil Engn, Key Lab Civil Engn Safety, Beijing, Peoples R China
来源：
ADVANCES IN CIVIL ENGINEERING, PTS 1-6 | 2011年 / 255-260卷
关键词：
fluid-solid coupling; rainfall infiltration; unsaturated seepage; transient seepage; STABILITY; SOILS;
D O I：
10.4028/www.scientific.net/AMR.255-260.3488
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Rainfall is one of the main factors that influence the stability of slope. Rainfall infiltration will cause soil saturation changing and further influence pore water pressure and medium permeability coefficient. Based on porous media saturation-unsaturated flow theory, the slope transient seepage field is simulated under the conditions of rainfall infiltration. It is shown that change of pore water pressure in slope soil lag behind relative changes in rainfall conditions. As the rainfall infiltrate, unsaturated zone in top half of slope become diminution, the soil suction and shear strength reduce, so stabilization of soil slope is reduced.
引用
收藏
页码：3488 / +
页数：2
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