Results 21 to 30 of about 5,156 (170)
Study on hazard zone of coal spontaneous combustion in adjacent goaf along working face
Meikuang Anquan, 2022 To explore the hazard zone of coal spontaneous combustion in the adiacent goaf at different stages of the roadway driving face, the 2202 working face and the 2201 adjacent goaf of Yingpanhao Coal Mine were taken as examples.
WANG Yang +4 more
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Gong-kuang zidonghua, 2021 The shallow thick coal seam in the western mine area in China usually adopts the extraction ventilation method. The surface air leakage makes the wind flow disorderly, and the oxygen of the air penetrates the goaf and interacts with the residual coal in ...
XING Zhen
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Study on the law of gas desorption under the condition of water flooding of the abandoned block coal in goaf [PDF]
E3S Web of Conferences, 2021 China's coal production has formed a large number of goaf, which contains a large amount of coal and coalbed methane resources. If these resources are stored in the goaf, it will not only cause a waste of resources, but also cause environmental pollution
Wang Ran, Wu Wenbin
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Porosity distribution in goaf.
, 2022 Porosity distribution in goaf.
Changyou Liu (1919344) +3 more
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Chemical Engineering Transactions, 2018 To solve the difficulties with predicting and evaluating the goaf water hazard in coal mines, taking the goaf water hazard of one certain coal mine in Shuicheng County, Guizhou Province as the research object, the newly proposed GIS-based AHP ...
Jian Zhao +3 more
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Meikuang Anquan, 2020 Aiming at the instability disaster of coal mine goaf, based on the disaster type and hazard analysis, the present situation and progress of the research on the prevention and control technology of the mine goaf instability hazards in China are ...
WANG Donghao, LI Wen, ZHANG Bin
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Application of Comprehensive Geophysical Prospecting Method in Goaf Detection
CT Lilun yu yingyong yanjiu, 2023 To accurately explore distribution of a historical small coal mine goaf in Hami, Xinjiang, integrated application of microtremor and transient electromagnetic is used for goaf exploration researching. This work use different physical properties data into
Su TANG +4 more
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Meikuang Anquan, 2020 Take Wuhushan Coal Mine 010908 working face as the background, theoretical analysis, numerical simulation and field measurement are used to study the influence of shallow buried depth gas working face gas drainage on goaf spontaneous combustion “three ...
WANG Weidong , WANG Wei, LI Peng, WANG Gang
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Frontiers in Environmental Science, 2022 Goaf ground collapse has great constraints on people’s lives, property safety, and social development within the influence scope because of its concealment and suddenly happening characteristics. The high-density resistivity method is used to explore the
Xie Jia +3 more
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