地下洞室围岩整体稳定性定量评估的方法、云系统与工程实践

doi:10.13722/j.cnki.jrme.2022.0035

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Abstract With the rapid development of underground rock mass engineering，the quantitative assessment of surrounding rock stability of underground caverns has become a major concern in the current academic and engineering communities. However，there is no quantitative standard for the assessment and classification of the global stability of surrounding rock in underground caverns. Therefore，this paper proposes a quantitative assessment approach for the global stability of the hard surrounding rock in underground caverns. The quantitative assessment approach integrates the results of engineering geological investigation，numerical simulation and field monitoring and takes the rating system as the basic framework. The quantitative assessment approach incorporates the influence of basic quality of surrounding rock，in situ stress，unfavourable geological structures，cavern dimension and layout，construction factors and groundwater on the global stability of surrounding rock. Based on the basic principle and the flow chart of this assessment approach，a cloud assessment system for the stability of surrounding rock in underground caverns is developed. The assessment system helps users to quickly and effectively determine the global stability of the surrounding rock in underground caverns and guides engineering practice. The quantitative assessment approach and cloud system are applied to assess the global stability of surrounding rocks in numerous underground caverns within many industries. The reliability and applicability of the approach and system are verified.

Key words： rock mechanics underground cavern hard surrounding rock global stability local stability cloud assessment system

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	Articles by authors
	XU Dingping1
	JIANG Quan1
	LI Shaojun1
	LIU Xiuyang1
	2
	HUANG Shuling3
	QIU Shili1
	FENG Guangliang1
	ZHENG Hong1

Cite this article:

XU Dingping1,JIANG Quan1,LI Shaojun1, et al. Quantitative approach，cloud system and engineering practice for global stability assessment of surrounding rock in underground caverns[J]. , 2022, 41(11): 2186-2198.

URL:

http://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2022.0035 OR http://rockmech.whrsm.ac.cn/EN/Y2022/V41/I11/2186

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