Results 11 to 20 of about 50,060 (261)
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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Study on Deformation Characteristics of Surrounding Rock of Roadway with Coal–Rock Interface
Sustainability, 2023 Surrounding rock of roadway with a coal–rock interface is a common form in coal mines. In order to determine deformation characteristics and obtain the control principle of roadways with a coal–rock interface, the interface between the roof and coal seam was added to simulate the weak cohesion between the stratum.
Tuo Wang, Jucai Chang, Yijun Guo
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Analysis on Loose Circle of Surrounding Rock of Large Deformation Soft‐Rock Tunnel [PDF]
Advances in Civil Engineering, 2020 With the rapid development of tunnel construction in China, deep buried and long tunnel projects are emerging in areas with complex engineering geological conditions and harsh environment, and thus large deformation of tunnels under conditions of high in situ stress and soft rock becomes increasingly prominent and endangers engineering safety ...
Rui Wang +5 more
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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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Frontiers in Earth Science, 2021 In China, the first tunnel was built in accordance with the 30-ton heavy-haul railway standard. Based on the change in water and soil pressure obtained from long-term on-site monitoring, the cavity mechanism of the surrounding rock at the bottom of a ...
Zheng Li +7 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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