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An innovative destressing technology and key parameters determination in both sides of a deep roadway [PDF]
Scientific Reports, 2023 The general or single supporting theory and technology of the shallow surrounding rock of the roadway are not suitable for solving the problem of continuous large deformation of the both sides under the continuous migration of coal mass in the deep ...
Zaisheng Jiang +2 more
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Research on Surrounding Rock Control Technology of Dongbaowei Deep Mining Roadway [PDF]
Advances in Civil Engineering, 2021 In order to explore the stability control of surrounding rock in the process of deep mining, comparative analysis of stress, deformation, and fracture characteristics of surrounding rock of deep and shallow mining roadway in dongbaotou coal mine ...
Chengjia Wu, Tao Qin, Lei Wang, Zhi Liu
doaj +2 more sources
Geofluids, 2022 A pressure relief and permeability enhancement method through short-distance floor roadway was proposed to solve the difficult outburst prevention during the gas extraction at the coal roadway strips in deep outburst coal seams with high ground stress ...
Benqing Yuan +3 more
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工程科学学报, 2022 The joint exploitation of deep mineral and geothermal resources strategy provides an effective way to realize the economic exploitation of “resources-thermal” and achieve a win-win situation.
Zhi-qiang LIU +3 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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Research on Permeability Enhancement Model of Pressure Relief Roadway for Deep Coal Roadway Strip
Geofluids, 2022 Aiming at the problem of permeability enhancement in deep coal roadway strip, it proposed a pressure relief roadway permeability enhancement model, and the model was verified through experiments, theoretical calculations, and field tests. The experiment reveals that the unloading of gas-containing coal can achieve the effect of permeability enhancement.
Zhonghua Wang +3 more
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Energies, 2022 For deep-buried thick top-coal roadways under high stress, there exists great difficulty in controlling the stability of the surrounding rock as well as in the necessity for low driving speeds.
Chengjun Hu +4 more
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SN Applied Sciences, 2023 With the development of deep mining of coal resources, the problem of deep roadway management is becoming increasingly prominent. This study aims to analyze the deformation and failure mechanism of deep-buried soft rock roadway under the influence of ...
Jian Li +6 more
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Mechanism of Roadway Floor Heave Controlled by Floor Corner Pile in Deep Roadway under High Horizontal Stress [PDF]
Advances in Civil Engineering, 2021 In order to overcome the support difficulty of serious floor heave caused by rock burst, with the floor heave of ventilation roadway in Hegang Xing An Coal Mine as the engineering background, the treatment scheme of the concrete‐filled steel tube corner pile and floor grouting is put forward.
Xinchao Kang, Dongming Guo, Zhiying Lu
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Stabilization Mechanism and Safety Control Strategy of the Deep Roadway with Complex Stress
Advances in Civil Engineering, 2020 With the increase of mining intensity of coal resources, some coal mines in China have gradually entered the deep mining stage. The complexity of the stress environment of the deep rock stratum leads to the difficulty of coal mining.
Yang Yu +5 more
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