Analysis of Influence of Stress Lode Angle on Stability of Roadway Surrounding Rock [PDF]
, 2021 Based on the variation range of the stress lode angle, the in situ rock stress is divided into σv-type stress field, σH-type stress field, and σh-type stress field.
Yihong Liu +5 more
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Advances in Materials Science and Engineering, 2020 The stability control of a soft rock roadway is a crucial problem for sustainable utilization of limited coal resources in deep mining practices. To solve it, the soft rock types and failure mechanism of −890 entrance surrounding rock have been analyzed,
Yong Zhang +7 more
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Comprehensive safety evaluation method of surrounding rock during underground cavern construction
Underground Space, 2021 The deformation instability of surrounding rock and the collapse of rock blocks are two common failure modes observed during the construction of underground caverns.
Qingwen Ren +6 more
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Rockburst hazard assessment and prevention and control strategies in the Ruihai gold mine
Frontiers in Earth ScienceRuihai gold mine is a super large underwater gold mine with an initial mining depth of more than 1,400 m. Deep mining may face rockburst disaster. In order to scientifically control the potential rockburst risk, ensure the safety of underground personnel
Pengxiang Li +8 more
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Influence of Structural Plane in Similar Soil Surrounding Rock on Excavation Stability [PDF]
, 2010 Lots of primary or secondary structural planes in similar soil surrounding rock are the main difference with Quaternary soil surrounding rock, but the particularity isn’t considered in the analysis of tunnel stability.
Wei Tao Chen, Guo Wei Meng, Qiang Chen
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Stability analysis of grouting surrounding rock in fracture zone in coal seam floor [PDF]
, 2021 Affected by the geological concealment and complexity, there is a potential safety risk of mining induced damage due to insufficient grouting in fissures.
HAN Yunchun +5 more
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BuildingsMicroseismic monitoring is an effective and widely used technology for dynamic fault disaster early warning and prevention in deep-buried hard rock tunnels.
Houlin Xie +6 more
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Surrounding Rock Stability Identification Model Based on PCA-RVM
Meikuang Anquan, 2020 The stability of tunnel surrounding rock is affected by many factors, and there are complex nonlinear relationships among various influencing factors. In order to accurately determine the surrounding rock stability category, five factors including rock ...
ZHANG Yan, ZENG Jianbin, JING Xiaoqing, DENG Xueqin
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The Deformation, Failure Mechanisms, and Stability Control of the Surrounding Rock of Deep Cross-Measure Roadway: A Case Study [PDF]
, 2023 In view of the difficulty in controlling the surrounding rock stability of deep cross-measure roadways, a deep cross-measure roadway of the Wanfu coal mine, a typical high-stress mine, was monitored on site and analyzed under the original support scheme.
Hongjin Sun, Wenzheng Du, Rui Pan
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Investigation on Deformation and Failure Characteristics and Stability Control of Soft Rock Roadway Surrounding Rock in Deep Coal Mine [PDF]
, 2011 Numerical simulation and field measurement were carried out to investigate into laws of deformation and movement and the evolving characteristics of the plastic region around the roadway based on engineering conditions of deep soft rock roadway in ...
Ju Cai Chang, Guang Xiang Xie
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