Influence of rain infiltration on the stability of compacted soil slopes

被引:66
作者
Oh, Won Taek [1 ]
Vanapalli, Sai K. [1 ]
机构
[1] Univ Ottawa, Dept Civil Engn, Ottawa, ON K1N 6N5, Canada
关键词
Compacted soil; Unsaturated soil; Embankment; Infiltration; Matric suction; Finite element analysis; SHEAR-STRENGTH CHARACTERISTICS; WATER CHARACTERISTIC CURVE; STATE;
D O I
10.1016/j.compgeo.2010.04.003
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
Stability analyses for a homogeneous compacted embankment were undertaken considering infiltration of water into the embankment. The analyses include several different practical scenarios: (i) saturated condition, (ii) ponding (or runoff) along with saturated condition, (iii) short term analysis for unsaturated conditions, and (iv) long term analysis for unsaturated conditions. The appropriate shear strength parameters of the compacted soil required for analyzing different practical scenarios were determined using conventional and modified triaxial shear apparatus. The results of the study show that typically shallow circular failures above water front occur due to infiltration rather than the conventional infinite slope type failures. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:649 / 657
页数:9
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