Results 11 to 20 of about 8,123 (220)
Surrounding rock control technology of deep large section composite roof mining roadway
Meikuang Anquan, 2022 In view of the problems of roof collapse and difficult roof support in composite roof roadway, the deformation and instability mechanism of composite roof is analyzed, and the cooperative support technology of long and short anchor cables is proposed ...
LIANG Wenxu
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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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Gong-kuang zidonghua, 2021 The roadway with dynamic pressure and high slope refers to the roadway which is seriously affected by dynamic pressure and has a high slope. This type of roadway not only experiences disturbances in the excavation process, but also has to experience the ...
SHEN Binxue +5 more
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Factors influencing the anti-impact performance of a “roadway rock support” system
Frontiers in Earth Science, 2023 A mechanical model of a circular section of a tunnel roadway considering damage is established to improve the impact protection performance of the “roadway rock-support” system and provide a theoretical basis for designing coal mine impact ground ...
Zhi Tang +3 more
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Energies, 2021 This paper introduces a case study on the failure mechanism and support design of a roadway tunnel in the fault fracture zone of the 106 mining area in the Yuandian no.2 coal mine. Based on the on-site geological conditions (in-situ stress test, borehole
Kai Wang, Lianguo Wang, Bo Ren
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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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Research and Application of Support Design for Soft Rock Roadway in Strongly Weathering Zone
Meikuang Anquan, 2020 To solve the problems of large deformation and supporting difficulties in soft rock roadway in strongly weathering zone, and taking the soft rock roadway along the wind oxidation zone edge of No.
ZHENG Wenxiang, DU Dengji, BAO Xiankai
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Construction of knowledge graph of coal mine roadway support field
Gong-kuang zidonghua, 2019 In view of problems of limited knowledge content, difficult knowledge fusion and sharing, and inability to mining related knowledge from unstructured data existed in coal mine roadway support expert system, a knowledge graph of coal mine roadway support ...
WU Xuefeng +4 more
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Numerical Analysis and Control Study on Surrounding Rock Deformation of Deep Soft Rock Roadway [PDF]
E3S Web of Conferences, 2021 Aiming at the problem of large-scale deformation of the track and alleys in the East Second Mining Area, the numerical analysis method is used to analyze the stress and deformation law of the roadway.
Yi Enbing
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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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