Results 1 to 10 of about 63,049 (220)
Shock and Vibration, 2021 In underground coal mines, the deep-hole blasting (DHB) technology is generally adopted for thick hard-roof control. This technology uses the energy released by explosives to weaken the energy storage capacity of hard roof so as to prevent hard-roof rock
Anliang Lu +7 more
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Geofluids, 2022 Aiming at the wide range of rock strata movement and collapse, poor stability and high damage rate of the working face support and being prone to crushing of the support in large mining height face, analog simulation, theoretical analysis, and field ...
Fengfeng Wu +5 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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Shock and Vibration, 2022 Support crushing and roof fall accidents frequently occur in the large mining height stope covered by the thin bedrock and large-thick alluvium (TBLA).
Xiaoping Li +8 more
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Mining Coal with Explosives [PDF]
Scientific American, 1910 n ...
Munroe, C. E., Hall, Clarence
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Shock and Vibration, 2020 Numerical simulations have often been used in close-distance coal seam studies. However, numerical simulations can contain certain subjective and objective limitations, such as high randomness and excessively simplified models.
Zhuoyue Sun +5 more
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Shock and Vibration, 2022 Combined with specific engineering examples, the spatial disturbance influence characteristics and laws of the surrounding rock stress in the staggered roadways are analyzed by numerical simulation.
Qingwei Bu +3 more
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