Transient stability analysis of dishuiya landslide No.1 under rainfall condition

YIN Xiao-tao; RAN Chang-guo; WANG Shui-lin

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Transient stability analysis of dishuiya landslide No.1 under rainfall condition

更新时间：2026-06-25

- Transient stability analysis of dishuiya landslide No.1 under rainfall condition
- Vol. 29, Issue 2, (2008)
- 作者机构：
  
  1. 中国科学院武汉岩土力学研究所岩土力学与工程国家重点试验室,武汉,430071
  2. 中国科学院寒区旱区环境与工程研究所冻土工程国家重点试验室,兰州,730000
  3. 中交第二公路勘察设计研究院,武汉,430056
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：10 July 2013，
  
  Published：2008
- 稿件说明：
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YIN Xiao-tao, RAN Chang-guo, WANG Shui-lin. Transient stability analysis of dishuiya landslide No.1 under rainfall condition[J]. 2008, 29(2).
DOI：

YIN Xiao-tao, RAN Chang-guo, WANG Shui-lin. Transient stability analysis of dishuiya landslide No.1 under rainfall condition[J]. 2008, 29(2). DOI：

摘要

根据选定的实测月降雨资料，利用径流渗流耦合理论，对滴水崖Ⅰ号滑坡进行了降雨入渗坡体渗流场数值计算。利用非饱和土强度理论，基于GLE通用条分法，分别利用天然状态强度参数和饱和状态强度参数计算了其安全系数，并对其稳定性进行了评价，为瞬态稳定性分析提供了基准。然后调用不同降雨时段的径流渗流计算结果对滑坡瞬态稳定性进行了计算和分析，研究了水分在坡体内的运移对滑坡稳定性的时间空间影响，同时分析了降雨入渗对坡体岩土渗透特性造成的影响和对坡面径流的影响。

Abstract

Utilizing seepage coupled slope surface runoff theory

the seepage field of Dishuiya Landslide No.1 affected by the infiltrating process of rainfall is simulated according to the monitoring daily rainfall data in May. Based on generalized limit equilibrium method ( abbreviated. GLE)

the safety factor of the landslide is computed by means of unsaturated soil strength theory

respectively utilizing strength parameters under raw or saturated conditions. Simultaneously

its stability is evaluated

which offers a reference for transient stability analysis. Then

transient stability of the landslide is calculated and analyzed by means of calling seepage and runoff results at different rainfall step. Moreover

the time and space effect of the landslide’s stability caused by rainfall infiltrating into the slope body is explored. Meanwhile

soil hydraulic property and slope surface runoff affected by rainfall are presented.

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