深部巷道分区破裂化计算理论与实测对比研究

doi:10.13722/j.cnki.jrme.2018.0458

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Abstract The effects of in situ stress，cumulative displacement and stress-strain relationship on the concentration，release，storage and dissipation of energy in surrounding rock masses are investigated in this paper. The energy released from the surrounding rock was found to decrease with the growth of damaged range. A theoretical model considering the combined effects of surrounding rock pressure and disturbing loads was proposed. The transformation of potential and kinetic energy in surrounding rock masses under the disturbing loads was clarified. The characteristic values of the energy threshold corresponding to different damaged zones were given. The key mechanism of zonal disintegration was revealed to be the magnitude of the combined characteristic energy. The accuracy of the theoretical and calculation method was validated by comparing with the in situ and in-door experimental data.

Key words： rock mechanics deep rock mass potential energy field energy coefficient zonal disintegration

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	Articles by authors
	WANG Mingyang1
	CHEN Haoxiang1
	LI Jie1
	LI Xinping2

Cite this article:

WANG Mingyang1,CHEN Haoxiang1,LI Jie1, et al. Theoretical research on zonal disintegration of rock masses around deep tunnels and comparisons with in-situ observations[J]. , 2018, 37(10): 2209-2218.

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http://www.rockmech.org/EN/10.13722/j.cnki.jrme.2018.0458 OR http://www.rockmech.org/EN/Y2018/V37/I10/2209

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