Results 11 to 20 of about 64,455 (258)
Study on failure characteristics and control of soft rock roadway floor
Meitan kexue jishu, 2023 In order to study the regularity of floor heave deformation and instability of soft rock roadway under different horizontal stress boundary conditions, the return air roadway of 50213 working face of Guantun Coal Mine was taken as the engineering ...
ZHANG Jie +7 more
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Frontiers in Ecology and Evolution, 2023 Surrounding rock pressure is a crucial parameter in tunnel engineering design, and its calculation is a classic challenge. The surrounding rock pressure is influenced by geostress, but existing calculation methods often do not take into account the ...
Bo Hu +13 more
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Stability Analysis of Surrounding Rock During Construction of Mountain Integrated Pipe Gallery
Taiyuan Ligong Daxue xuebao, 2022 The stability of surrounding rock is an important concern in the investigation, design, and construction of mountain integrated pipe gallery. On the basis of the DK6+180 section of the Winter Olympics Integrated Pipe Gallery, the stability of surrounding
Honghu YUAN, Wenjie XIE, Hongen LI
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Study on the Failure Mechanism of Strain Rockburst
Shock and Vibration, 2022 Among the factors affecting rock mass failure, the stress state has the greatest influence on the mechanical behavior of rock. The mechanical behavior of rock depends on the change of stress path, and the stress of rock mass is closely related to ...
Lichao Zhou +6 more
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Meitan kexue jishu, 2023 The mining strata in the western mining area of China are mainly composed of Jurassic and Cretaceous strata. The strata are characterized by low strength, poor cementation and easy disintegration, which belong to weakly cemented rocks.
JI Hongguang +5 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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Frontiers in Earth Science, 2023 In the natural geological environment, there are many joints, faults and cavities. These natural defects will have an impact on the stability of tunnels.
Binglei Li +4 more
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Technology path and assumptions of intelligent surrounding rock control at longwall working face
矿业科学学报, 2022 The intelligent surrounding rock control at longwall working face is the necessary condition to realize the intelligent mining of working face. This paper redefined the connotation of the surrounding rock system at longwall working face and clarified the
Yang Shengli, Wang Jiachen, Li Ming
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, 2022 This research carries out the model test and numerical simulation, studying the time-varying response regularity of surrounding rock construction mechanics.
Caijin Xie, Junying Rao, Tiejun Tao
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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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