Results 21 to 30 of about 12,068 (222)
Advances in Civil Engineering, 2020 During the mining of the shallow-buried and close-distance multiple coal seam, the rheological failure of the surrounding weakly cemented soft rock of the roadway in the lower coal seam under the concentrated stress is very rare.
Wenkai Ru +6 more
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Study on Adsorption Model of Deep Coking Coal Based on Adsorption Potential Theory
Adsorption Science & Technology, 2022 With the exhaustion of coal resources in shallow coal seams, many mining areas have moved to deep mining, and the coal storage environment is obviously affected by the mining depth, mainly manifested as the increase of gas pressure and temperature, which
Si Shasha +3 more
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Meikuang Anquan, 2023 Taking the fire-threatened mines in the shallow buried coal seam of the Jurassic coalfield in northern Shaanxi Province as the research object, the high-resolution UAV visible light and thermal infrared dual-light low-altitude remote sensing, handheld ...
WANG Haijun, WU Yan, MA Liang, CHEN Chongfeng, SUN Baoping, WANG Xiangye, WU Minjie, LIU Shande
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Changes in subsidence-field surface movement in shallow-seam coal mining [PDF]
Journal of the Southern African Institute of Mining and Metallurgy, 2019 Intensive mining of shallow coal seams tends to result in severe subsidence of the ground surface. Surface subsidence is a complex dynamic spatiotemporal process that constantly changes as mining advances. With Liangshuijing coal mine as a case study, 3DEC numerical software was used to simulate the development of the moving subsidence field from open ...
Liu, X-J., Cheng, Z-B.
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A Study on the Instability Mechanisms of Coal Pillars in Shallow Coal Seams Group Mining
Advances in Civil Engineering, 2023 To explore the instability mechanisms of coal pillars in the upper coal during coal seam group mining in the Yulin area and hence to achieve safe and green mining of the lower coal seams, the engineering geological condition for no. 3−1, no. 4−2, and no.
Tielin Shang +6 more
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Geofluids, 2021 The stratified mining of super thick coal seam is a process of repeated disturbance of the top roof, especially in the lower stratification, the upper complex rock layer has a greater settlement space, resulting in great changes in the strata structure ...
Qin Guangpeng +4 more
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Energies, 2022 To understand the change in overburden structure after coal seam group mining, we investigated the overburden characteristics and bearing capacity of abandoned coal mines in a coal seam group.
Ning Jiang +5 more
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Unravelling the relative contributions of climate change and ground disturbance to subsurface temperature perturbations: Case studies from Tyneside, UK [PDF]
, 2016 When assessing subsurface urban heat islands (UHIs) it is important to distinguish between localized effects of land-use change and the impacts of global climate change. However, few investigations have successfully unraveled the two influences.
Westaway, Rob, Younger, Paul L.
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Research Status and Prospect of Gas Occurrence Mechanism in Deep Coal Seam
Meikuang Anquan, 2020 The gas occurrence mechanism of deep coal seam is an important theoretical basis to guide the safe and efficient mining of deep coal and gas resources.
QIN Yujin, CHEN Yupeng, JIANG Wenzhong, YU Xiaochen, SU Weiwei
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Frontiers in Earth Science, 2023 The surface subsidence caused by the coal seam mining seriously affects the ecology of the mining area. Compared with the single-coal seam mining, the mechanism of the overburden fracture and crack propagation caused by multi-coal seams mining is more ...
Junpeng Zou +3 more
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