基于地应力水平评价的围岩潜在破坏模式研究

doi:10.13722/j.cnki.jrme.2016.1110

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Abstract

Analysis of failure modes of surrounding rock mass is the basic work of the stability analysis and control of surrounding rock mass and support design in underground engineering. The high geostress failure problems encountered in deep engineering cannot be included in the tradition failure mode classification. In the classification methods put forward recently，the rock mechanics problems were considered well. But the geological conditions have been overlooked in analysis. Aiming to this problem，the evaluations of geological condition and in situ stress levels were constructed firstly. Then several important factors including rock mass structure type，integrity degree，hardness grading，rock mass quality grade，and in situ stresses，were considered. The classification system of failure modes of surrounding rock mass was presented finally. This system can be applied in all of underground projects. And it is more suitable for the deep underground engineering with high stress. The application of geological condition evaluation makes it simpler to be understood and applied by the field engineers.

Key words： underground engineering geostress level failure mode high level stress rock mass quality classification

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	Articles by authors
	ZHANG Chuanqing1
	2
	HUANG Shuling3
	ZHOU Hui1
	2
	CUI Guojian1
	2
	YANG Fanjie1
	2

Cite this article:

ZHANG Chuanqing1,2,HUANG Shuling3, et al. Study on potential failure modes of surrounding rock mass based on evaluation of geostress level[J]. , 2018, 37(S1): 3187-3195.

URL:

https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2016.1110 OR https://rockmech.whrsm.ac.cn/EN/Y2018/V37/IS1/3187

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