Back analysis of 3D initial geostress of underground powerhouse of Pushihe Pumped Storage Power Station

LIU Zhong-fu; LIU Tian-peng; CAI Hong-liang; XU Xiao-wu

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Back analysis of 3D initial geostress of underground powerhouse of Pushihe Pumped Storage Power Station

更新时间：2026-06-25

- Back analysis of 3D initial geostress of underground powerhouse of Pushihe Pumped Storage Power Station
- Vol. 29, Issue S1, (2008)
- 作者机构：
  
  中水东北勘测设计研究有限责任公司科研院,长春,130061
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV73
- Online First：15 April 2016，
  
  Published：2008
- 稿件说明：
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LIU Zhong-fu, LIU Tian-peng, CAI Hong-liang, et al. Back analysis of 3D initial geostress of underground powerhouse of Pushihe Pumped Storage Power Station[J]. 2008, 29(S1).
DOI：

LIU Zhong-fu, LIU Tian-peng, CAI Hong-liang, et al. Back analysis of 3D initial geostress of underground powerhouse of Pushihe Pumped Storage Power Station[J]. 2008, 29(S1). DOI：

摘要

采用三维非线性有限元反演回归分析计算方法，提出侧压力系数函数拟合方法，考虑了地质构造，地形地貌以及实测应力对初始应力场的影响。对蒲石河抽水蓄能电站地下厂房区域初始地应力场进行反演回归分析研究，实测点处附近应力分布的局部特性证明反演计算方法是合理的。

Abstract

Accordance to the practice of underground powerhouse of Pushihe Pumped Storage Power Station

and by using 3-D nonlinear finite element back analysis method

and considering effect of geological structure

topography and measured stress

back analysis of 3-D initial geostress is carried out. The results show that the method can reflect the impact of geological structure

topography on initial geostress

and it can also reflect the characteristics of stress distribution near measured points. The initial geostress as of The Pushihe Pumped Storage Power Station are middle-and lower geoshtress and mainly of tectonic stresses.

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