A new rockburst criterion of stress–strength ratio considering stress distribution of surrounding rock

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成果类型：

期刊论文

作者：

Liu, Xiqi;Wang, Gang;Song, Leibo;Han, Guansheng;Chen, Wenzhao;...

通讯作者：

Wang, Gang(2021000077@usx.edu.cn)

作者机构：

[Liu, Xiqi; Wang, Gang] Wuhan Univ, Sch Civil Engn, Key Lab Geotech & Struct Engn Safety Hubei Prov, Wuhan 430070, Peoples R China.

[Han, Guansheng; Wang, Gang; Chen, Hao; Song, Leibo] Shaoxing Univ, Sch Civil Engn, Shaoxing 312000, Peoples R China.

[Chen, Wenzhao] Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.

通讯机构：

[Gang Wang] K

Key Laboratory of Geotechnical and Structural Engineering Safety of Hubei Province, School of Civil Engineering, Wuhan University, Wuhan, China<&wdkj&>School of Civil Engineering, Shaoxing University, Shaoxing, China

语种：

英文

关键词：

Rockburst intensities;Rockburst prediction;Strain rockburst;Stress gradient;Stress–strength ratio

期刊：

Bulletin of Engineering Geology and the Environment

ISSN：

1435-9529

年：

2023

卷：

期：

页码：

1-13

DOI：

10.1007/s10064-022-03042-x

基金类别：

The authors acknowledge the financial support provided by the National Natural Science Foundation of China (Grant No. 42002275), the National Natural Science Foundation of Zhejiang province (Grant No. LQ21D020001), the Hubei Key Laboratory of Roadway Bridge and Structure Engineering (Wuhan University of Technology) (No. DQJJ202104), and the Collaborative Innovation Center for Prevention and Control of Mountain Geological Hazards of Zhejiang Province (No. PCMGH-2021–03).

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

Rockburst is a common geological disaster in the process of deep rock excavation, and stress gradient is an important factor affecting rockburst. In this paper, the concept of “stress concentration” was proposed. The relevant data of a large number of engineering rockburst cases were statistically analyzed, and a new rockburst criterion of stress–strength ratio considering stress gradient of surrounding rock was established. The research results revealed that the rockburst criterion considering the stress gradient distribution of surrounding...

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A new rockburst criterion of stress–strength ratio considering stress distribution of surrounding rock

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