Boundary effects of rainfall-induced landslides

被引：53

作者：

Ali, Abid ^{[1
]}

Huang, Jinsong ^{[1
]}

Lyamin, A. V. ^{[1
]}

Sloan, S. W. ^{[1
]}

Cassidy, M. J. ^{[1
,2
,3
]}

机构：

[1] Univ Newcastle, ARC Ctr Excellence Geotech Sci & Engn, Callaghan, NSW 2308, Australia

[2] Univ Western Australia, Ctr Offshore Fdn Syst, Crawley, WA 6009, Australia

[3] Univ Western Australia, ARC Ctr Excellence Geotech Sci & Engn, Crawley, WA 6009, Australia

来源：

COMPUTERS AND GEOTECHNICS | 2014年 / 61卷

基金：

澳大利亚研究理事会;

关键词：

Boundary conditions; Landslides; Rainfall; Drainage; Hydraulic conductivity; Infinite slope; UNSATURATED SOILS; SHALLOW LANDSLIDE; SHEAR-STRENGTH; STABILITY; SLOPE; INFILTRATION; FAILURE;

D O I：

10.1016/j.compgeo.2014.05.019

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

In the study of landslides, it is generally assumed that an impermeable boundary exists at a certain depth and failure occurs at this boundary. In reality this is not always the case and failures can occur at any depth. This paper aims to study the effect of boundary conditions on landslides, using a series of seepage and stability analyses performed over a range of rainfall intensities, and for different failure mechanisms, by studying the failure time and depths corresponding to fully drained, partially drained, and impermeable boundaries. It is shown that these conditions can significantly affect the occurrence and depth of rainfall-induced landslides. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：341 / 354

页数：14

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