Results 11 to 20 of about 2,465,153 (198)
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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Research on control measures of deep-buried roadway passing through fault with high water pressure
Meikuang Anquan, 2021 In order to determine the reasonable control countermeasures when a deep-buried roadway encounters a fault with high-water pressure, a transport roadway in Xingdong Coal Mine was taken as an example, and the strength drop and permeability mutation of ...
ZHANG Xiaobing, PAN Xiahui
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Evolution law of surrounding rock bearing circle and support technology of deep roadway
Meikuang Anquan, 2023 Taking Guotun Coal Mine -670 auxiliary horizontal track roadway as the engineering background, the stress change of roadway surrounding rock is analyzed through the mechanical model of bearing circle, and the stress change of roadway surrounding rock ...
SHEN Shibao +4 more
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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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Shock and Vibration, 2021 Rock burst is a typical dynamic disaster in deep underground coal mining. Based on the support problems of the deep roadways in fully mechanized caving face 401111 of Hujiahe Coal Mine suffering from rock burst in Shaanxi Province of China, the failure ...
Wenjing Liu +6 more
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Energy Science & Engineering, 2020 With the increase in mining depth and the deterioration of surrounding rock conditions, large deformation failure of deep roadway surrounding rock is still very common.
Chuanwei Zang +4 more
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矿业科学学报, 2017 The distribution of plastic zone of surrounding rock in deep mining roadway is the key to control the stability of surrounding rock. Taking the deep mining roadway of Xingdong Mine as the research background, according to the "butterfly-shaped" plastic ...
Li Yongen +4 more
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Research on surrounding rock control technology of deep roadway based on butterfly failure theory
Meitan kexue jishu, 2023 At present, roadway surrounding rock control is still one of the major problems in deep mining of coal resources. The formation and development of the plastic zone of the surrounding rock is the main cause of large deformation and failure of roadway.
WANG Weijun +3 more
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Energies, 2020 Pingdingshan mining area is one of the typical deep mining areas in China, and most of the mines in this area are troubled by the difficulties of the deep-soft-rock roadway support.
Qingxian Huang +4 more
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Meitan kexue jishu, 2023 The prominent contradiction between high ground stress and low strength of surrounding rock in deep strata of coal mine leads to large deformation and instability disaster after roadway excavation.
Yanhe LI +3 more
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