Control effect of rock mass structure on stability of top slab for large underground cavern

WANG Ming-hua; YANG Liang-ce; LIU Han-chao; BAI Shi-wei

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Control effect of rock mass structure on stability of top slab for large underground cavern

更新时间：2026-06-25

- Control effect of rock mass structure on stability of top slab for large underground cavern
- Vol. 24, Issue 3, (2003)
- 作者机构：
- 作者简介：
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- DOI：
  CLC： TU457
- Online First：16 October 2016，
  
  Published：2003
- 稿件说明：
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WANG Ming-hua, YANG Liang-ce, LIU Han-chao, et al. Control effect of rock mass structure on stability of top slab for large underground cavern[J]. 2003, 24(3).
DOI：

WANG Ming-hua, YANG Liang-ce, LIU Han-chao, et al. Control effect of rock mass structure on stability of top slab for large underground cavern[J]. 2003, 24(3). DOI：

摘要

采用结构力学方法和块体稳定性分析程序UNWFDGE分析了溪洛渡水电站大型地下洞室中错动带单条发育、结构面成组发育和结构面集中发育呈碎裂岩体三种情况下的围岩稳定性

得出了错动带出露的临界稳定厚度和潜在不稳定块体的特征

为支护处理提供了重要的理论依据。

Abstract

Adopting the method of structural mechanics and UNWEDGE program

stability of top staff tor a large underground cavern under single discontinuity

groups of discontinuities and fragmentized rock mass is discussed so as to obtain the critical stable thic1:ness and the feature of potentially instable blocks

which can be beneficial to guiding excavation and timbering.

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