Effect of Rainfall on Slope Stability in Mountainous Area
详细信息
- 责任者：Li Dexin(Institute of Mountain Hazards and Environment ; Chinese Academy of Sciences ; Chengdu 610041 ; China) ; He Siming
- 刊名：The Chinese Journal of Geological Hazard and Control
- 出版年：2011
- 卷期：22(1)
- 关键词：边坡稳定性 ; slope stability ; 大气降水 ; atmospheric precipitation
- 页码：p.7-10
- 图表：5 illus., 1 table, 7 refs.
- 分类号：1702
- issnNo：ISSN1003-8035
- isbnNo：CN11-2825/P
摘要
As rainfall is the main reason that induces the slope instability and failure, this paper combined the slope hydrological model and the infinite slope stability model to study rainfall for starting condition of landslide. The project example shows that the rainfall is in an inversely proportional relationship with the slope stability factor; the critical precipitation linearly increases as the friction angle increase and decreases as the slope gradient increase. This study is of reference value for the rainfall-induced landslide.
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