L-shaped geodrain in embankment model test and numerical simulation

被引：0
|
作者：
Saito, M. [1 ]
Shibuya, S. [2 ]
Mitsui, J.
Hara, K. [3 ]
机构：
[1] Kobe Univ, Res Ctr Urban Safety & Secur, Kobe, Hyogo, Japan
[2] Kobe Univ, Grad Sch Engn, Kobe, Hyogo, Japan
[3] Taiyo Kogyo, Tokyo, Japan
来源：
GEOSYNTHETICS IN CIVIL AND ENVIRONMENTAL ENGINEERING | 2008年
关键词：
geodrain; embankment; model test; numerical analysis; decomposed granite soil;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
An embankment is usually made of unsaturated soil. Unsaturated soil when properly compacted is stiff and strong, since it sustains the matrix suction. The soil suction disappears quickly in the process of wetting, which in turn brings about large deformation or even failure of the embankment. In order to prevent seepage flow into the embankment, and also accumulation of water behind it. Design for an L-shaped geodrain in the embankment is proposed in this paper. A numerical simulation was carried out to examine the efficiency of the L-shaped geodrain system. The analysis was based on the results of a seepage flow test performed using a decomposed granite soil.
引用
收藏
页码：428 / +
页数：2
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