Results 1 to 10 of about 321 (87)
International Journal of Mining Science and Technology, 2014 In order to ensure the safety and stability of the soft rock roadway under high stress, based on the characteristics of the surrounding rock deformation and failure, this paper presented the support technology “coupling support of double yielding shell”,
Chong Li, Zhongliang Wang, Tao Liu
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Energy Science & EngineeringTo solve the problem of controlling large deformation of surrounding rock in deep soft rock roadway, the distribution characteristics and deformation mechanism of surrounding rock cracks in soft rock roadway under different lateral pressure coefficients ...
Yujie Ma +5 more
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Meikuang Anquan, 2021 In order to avoid the problems of the traditional prediction methods in the prediction of the support anti-destruction ability of the high stress soft rock roadway, a prediction method of the support anti-destruction ability of the high stress soft rock
DENG Guangzhe, FU Yingkai
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Deformation Characteristics and Control Technology of Roadway in Water-Rich Soft Rock
Geofluids, 2022 Jurassic soft rocks are the main coal-bearing strata in western mining areas, which are rich in water and high in expansive minerals. The roof and floor of the coal seam are easily muddied and disintegrated when affected by water, and heave floor of ...
Weiguo Lin +3 more
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Bolting technology of serious swelling soft rock roadway
Meikuang Anquan, 2021 For reducing the large roof deformation and bolt failure problems in serious swelling and soft rock roadway, influence factors of roadway stability and bolting technology in serious swelling soft rock roadway are studied based on engineering analogy ...
GAO Jiancheng, ZHANG Hongwei, RONG Hai, ZHAO Xiangzhuo, XIN Jinxin
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A New Theoretical Model of Rock Burst-Prone Roadway Support and Its Application
Geofluids, 2021 A rock burst usually causes a roadway collapse or even an instant blockage. When the deformation energy accumulated in the surrounding rock exceeds the minimum energy required for the dynamic destruction of the surrounding rock of a roadway, a rock burst
Mingshi Gao +3 more
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Advances in Civil Engineering, 2021 More and more attention has been paid to the supporting problem of deep soft rock roadway floor with long-term water immersion in recent years. However, the existing soft rock roadway support technology rarely takes into account the influence of the ...
Wei Jing +4 more
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Meikuang Anquan, 2022 Aiming at the support problem of large deformation of deep impact high stress soft rock roadway in 21220 working face of a mine of Yima Coal Industry Company, FLAC3D finite element method was used to simulate 21220 working face.
BI Ying, ZHAO Zhengwen
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Numerical Simulation of Coupling Support for High-Stress Fractured Soft Rock Roadway in Deep Mine
Advances in Civil Engineering, 2022 Aiming at the difficulties during the support of high-stress fractured soft rock roadway in deep mine, a comprehensive surrounding rock management method of bolt-net-cable-grout coupling support is proposed and the mechanism of interaction between ...
Wenhua Yuan +4 more
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Application and Principle of Bolt-Mesh-Cable Control Technology in Extremely Soft Coal Seam Roadway
Geofluids, 2023 The extremely soft coal seam roadway has the problems of low surrounding rock strength and difficult support. Based on the engineering background of the mining roadway in the extremely soft coal seam of the Quandian coal mine, this paper adopts the ...
Fengfeng Wu +9 more
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