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Deformation failure analysis and identification method of zoning type of actual tunnel surrounding rock [PDF]
Archives of Civil Engineering, 2023 The research on deformation zoning mechanism of tunnel surrounding rock is of great significance for ensuring safe production and disaster prevention in coal mines.
Wei Jing +3 more
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Yantu gongcheng xuebao, 2021 Deformation of the surrounding rock during the whole excavation process is the basic premise to understand the evolution mechanism of interaction between the supports and the surrounding rock, which is also an important reference for stability evaluation
SUN Zhen-yu 1, ZHANG Ding-li 1, HOU Yan-juan 1, LI Ao 1, 2
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Research on surrounding rock control technology of deep roadway based on butterfly failure theory
Meitan kexue jishu, 2023 At present, roadway surrounding rock control is still one of the major problems in deep mining of coal resources. The formation and development of the plastic zone of the surrounding rock is the main cause of large deformation and failure of roadway.
WANG Weijun +3 more
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Gong-kuang zidonghua, 2021 In the context of the destruction and continuous deformation of the surrounding rock of the high stress soft rock roadway, how to scientifically and reasonably repair and support the roadway that has undergone large deformation, and how to achieve ...
YAN Xiaowei
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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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Advances in Civil Engineering, 2022 Large compressive deformation of tunnels is a phenomenon involving plastic deformation and failure of surrounding rocks and often refers to the weak surrounding rock self-bearing capacity loss or partial loss.
Hao Tang +3 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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矿业科学学报, 2023 This study analyzes the large deformation failure mode and mechanical mechanism of tunnel surrounding rock, with an aim to lessen the damage of high ground stress soft rock tunnel support structure and large deformation of surrounding rock in southwest ...
Tao Zhigang +4 more
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Support Technology of Long Bolt in Roadway under Crushing Condition [PDF]
E3S Web of Conferences, 2020 In order to solve the problem that the roadway roof is large and easy to collapse under crushing conditions. Test shows that: Under the crushing condition, a considerable part of roadway surrounding rock deformation is in a given deformation state.
Pengde Sang
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Geomatics, Natural Hazards & Risk, 2020 Deformation of surrounding rock is widely monitored to discover surrounding rock behaviors for purpose of event forecasting. This article aims to present a comparative study on surrounding rock nonlinear deformation prediction using computational ...
Peng He, Fei Xu, Shang-qu Sun
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