A study on slope stability during reservoir water level falling

TANG Hui-ming; ZHANG Guang-cheng

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A study on slope stability during reservoir water level falling

更新时间：2026-06-25

- A study on slope stability during reservoir water level falling
- Vol. 26, Issue S2, (2005)
- 作者机构：
  
  中国地质大学工程学院,武汉,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU697.3+9
- Online First：16 December 2005，
  
  Published：2005
- 稿件说明：
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TANG Hui-ming, ZHANG Guang-cheng. A study on slope stability during reservoir water level falling[J]. 2005, 26(S2).
DOI：

TANG Hui-ming, ZHANG Guang-cheng. A study on slope stability during reservoir water level falling[J]. 2005, 26(S2). DOI：

摘要

采用核磁共振（NMR）技术反演水文地质参数，在此基础上，基于非饱和土强度理论，对现有滑坡剩余推力法进行改进。以三峡工程库区赵树岭滑坡为例，对库水位以不同速度下降时不同时刻的滑坡稳定性进行了研究，结果表明：在库水位下降过程中会出现稳定性系数达到极小值的现象。下降速度越大，稳定性极小值越小，出现极小值的时刻也相对早。

Abstract

The hydrogeology parameters are inversed by nuclear magnetic resonance（NMR）

and then the push force method to evaluate langdslide stability is modified based on unsaturated strength theory. Taking Zhaoshuling landslide in the Three Gorges Reservoir area for example

the stabilities of the slope at different periods when the Three Gorges reservoir water level falls at various speeds are studied systematically. The result shows that the stability coeffecient has a minimum

the larger the fall speed is

the less the minimum value is

and the earlier it happens relatively.

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