The three-dimensional limit equilibrium analysis for Qianjiangping Landslide

JIANG Qing-hui; ZHANG Yu; LUO Xian-qi; ZHENG Hong

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The three-dimensional limit equilibrium analysis for Qianjiangping Landslide

更新时间：2026-06-25

- The three-dimensional limit equilibrium analysis for Qianjiangping Landslide
- Vol. 27, Issue S2, (2006)
- 作者机构：
  
  1. 武汉大学水资源与水电工程科学国家重点实验室,武汉,430072
  2. 三峡大学湖北省防灾减灾重点实验室,湖北,宜昌,443002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：16 December 2006，
  
  Published：2006
- 稿件说明：
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JIANG Qing-hui, ZHANG Yu, LUO Xian-qi, et al. The three-dimensional limit equilibrium analysis for Qianjiangping Landslide[J]. 2006, 27(S2).
DOI：

JIANG Qing-hui, ZHANG Yu, LUO Xian-qi, et al. The three-dimensional limit equilibrium analysis for Qianjiangping Landslide[J]. 2006, 27(S2). DOI：

摘要

千将坪滑坡位于长江南岸支流青干河左岸，是三峡水库蓄水一个月后发生的水库新生型滑坡。通过千将坪滑坡恢复到原貌，采用三维极限平衡法对滑坡的整体稳定性和失稳下滑的触发因素进行了分析，探讨了水库蓄水和连续降雨对滑坡稳定性的影响。计算分析成果表明，水库蓄水后的浸泡软化作用使滑坡体稳定条件急剧恶化，蓄水和强降雨的联合作用最终导致千将坪滑坡产生大规模深层滑动。

Abstract

Qianjiangping landslide

which is located in the left bank of Qinggan river

a branch of Yangzi river

is one new bedding rock landslide induced by impoundment of the Three Gorges Reservoir. The three-dimensional limit equilibrium analysis method is applied to analyze the stability of Qianjiangping landslide and the landslide triggering mechanism. The factors of safety of the landslide under intensive rainfall and reservoir water fluctuation were evaluated. The computation results reflect that the groundwater has an important infection on the stability of Qianjiangping landslide. The reservoir impoundment and intensive rainfall are the dominant exterior factors triggering the landslide.

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