Study on inverse analysis of 3-D initial geostress field with optimized displacement boundaries

GUO Ming-wei; LI Chun-guang; WANG Shui-lin; LUAN Guang-bo

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Study on inverse analysis of 3-D initial geostress field with optimized displacement boundaries

更新时间：2026-06-25

- Study on inverse analysis of 3-D initial geostress field with optimized displacement boundaries
- Vol. 29, Issue 5, (2008)
- 作者机构：
  
  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实验室,武汉,430071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU457
- Online First：24 July 2013，
  
  Published：2008
- 稿件说明：
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GUO Ming-wei, LI Chun-guang, WANG Shui-lin, et al. Study on inverse analysis of 3-D initial geostress field with optimized displacement boundaries[J]. 2008, 29(5).
DOI：

GUO Ming-wei, LI Chun-guang, WANG Shui-lin, et al. Study on inverse analysis of 3-D initial geostress field with optimized displacement boundaries[J]. 2008, 29(5). DOI：

摘要

采用优化位移边界条件拟合工程区域初始地应力场，根据实测地应力资料建立针对所施加的任一边界位移模式的优化函数，不断调整位移边界模式并通过有限元数值计算，最终得到边界位移模式的最优组合和工程区域初始地应力场，从而为初始地应力场的反演分析提供一个新的途径。最后，针对三峡工程地下厂房区域给出了用该方法拟合初始地应力场的计算结果，通过地应力测点计算值和实测值的对比分析，其拟合效果较好，证实此方法是可行的。

Abstract

By establishing displacement optimization function based on some measured geostresses

a new approach of getting initial geostress field in the whole interested region is represented

which adjusts displacement boundary conditions automatically and make full use of 3-D finite element calculation. Finally

this method is applied to underground power houses of Three Gorges Project. The calculated results are in good agreement with the measured ones; and it is proved that this method is effective.

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