Stability analysis of powerhouse slope of Wuxi Mashan 
Pumped Storage Power Station

ZHUANG Ying-chun; LIU Shi-ming; XING Yu-fang; LI Hong

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Stability analysis of powerhouse slope of Wuxi Mashan Pumped Storage Power Station

更新时间：2026-06-25

- Stability analysis of powerhouse slope of Wuxi Mashan Pumped Storage Power Station
- Vol. 27, Issue S2, (2006)
- 作者机构：
  
  中国水电顾问集团华东勘测设计研究院,杭州,310014
- 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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ZHUANG Ying-chun, LIU Shi-ming, XING Yu-fang, et al. Stability analysis of powerhouse slope of Wuxi Mashan Pumped Storage Power Station[J]. 2006, 27(S2).
DOI：

ZHUANG Ying-chun, LIU Shi-ming, XING Yu-fang, et al. Stability analysis of powerhouse slope of Wuxi Mashan Pumped Storage Power Station[J]. 2006, 27(S2). DOI：

摘要

以无锡马山抽水蓄能电站地面厂房建筑过程中形成的人工边坡为例，在对其工程地质剖面分析并找出可能的滑动模式后，利用极限平衡法和有限元法分析了4个典型地质剖面的稳定性安全系数以及应力应变关系。结果表明，通过对该边坡的极限平衡法得到了2-2剖面的安全系数和通过有限元法得到的计算结果比较接近，且都满足相关规范的要求；坡体的最大位移发生在高程为－20 m和－5.0 m附近，其值为－22 mm；最大主应力位于高程－45.0 m处，值为0.134 MPa；最小主应力位于坡内深处，其值为－6.22 MPa。同时，提出了下一阶段应考虑时间效应，对边坡的变形进行分析。

Abstract

Taking the excavated slope at powerhouses of Wuxi Mashan Pumped Storage Power Station for example

the corresponding geological profiles are analyzed in detail; and the possible slides are found out. Using the limit equilibrium analysis and finite element method

the stability and the relationship between stress and strain of four profiles are analyzed. The results show that the values calculated by limit equilibrium method and FEM are closed; and they are satisfactory with GB standard; the maximum displacement of slope occurs at the elevation of -20m and 5m

the value is －22 mm; its maximum principal stress is located at the elevation of －45..0 m

and its value is 0.134 MPa; the minor principal stress is －6.22 MPa. In addition

the time-dependent characteristics of the slope should be discussed in future study.

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