Results 31 to 40 of about 267 (157)
Analysis on water conductivity of fault based on pumping test and dewatering test
Meikuang Anquan, 2022 In order to avoid the water disaster of fault and sandstone below the coal seam, it is necessary to master the conductivity of fault accurately. Through the dewatering test with large drawdown and water flow of Baotashan sandstone aquifer in the bottom ...
ZHAO Baofeng, LYU Yuguang
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Typical model of water damage in Jurassic shallow coal seam mining and its zoning
Meikuang Anquan, 2021 The mining of Jurassic shallow coal seam in northern Shaanxi coal base is faced with a variety of water hazards, and the traditional coal mine water hazard assessment has some limitations, so it is necessary to carry out more detailed water hazard model ...
MIAO Yanping +5 more
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Analysis of Sedimentary Characteristics in Balasu Coal Field of Northern Yuheng Mining Area
Meikuang Anquan, 2020 There are abundant coal resources in northern of Yuheng Mining Area of Jurassic coalfield in northern Shaanxi, but the coal mines in this area are generally affected by roof water hazards.
XU Shengji, LIU Yang, FANG Gang
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Comprehensive evaluation of drainage feasibility for thick sandstone aquifer of floor
Meikuang Anquan, 2021 In order to guide the water disater prevention and control of floor sandstone, it is necessary to make reasonable evaluation on the aquifer. Based on the hydrogeological conditions of typical mine and water disaster case, the pumping test data of ...
ZHAO Baofeng, LYU Yuguang
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Meikuang Anquan, 2021 Taking Weiqiang Coal Mine 1313 working face as an example, through the analysis of mine geological, hydrogeological conditions, the main water-filled source and water-filled channel of working face mining are determined, and the surface collapse caused ...
WEI Xiaonong, FANG Gang, LIU Yang, LIU Xinghe, BAI Jing
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Journal of Earth System Science, 2018 It is highly helpful and necessary to investigate and monitor the status of coal seam. Fortunately, remote sensing has facilitated the identification and dynamical monitoring of spontaneous combustion for a large area coal mining area, especially using the time series remotely-sensed datasets.
Yongan Xue +5 more
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Comprehensive Prevention and Control Technology of Goaf Water Damage in Roadway Tunneling
Meikuang Anquan, 2020 The extended tunneling area of the return-air roadway in the second mining area of Weiqiang Coal Mine was taken as the research object. Through the analysis of mine geological and hydrogeological conditions, combined with the previous exploration of ...
WEI Xiaonong, FANG Gang, LIU Yang, LIU Xinghe, BAI Jing
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Meikuang AnquanThe high-salinity mine water generated during coal mining in the border area of Inner Mongolia and Shaanxi poses a significant challenge to regional water resource development and utilization as well as ecological environment protection. Therefore, it is
Jingfan HUA +8 more
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Meikuang Anquan, 2020 The 311101 first mining face in Bayangaole Coal Mine is taken as the example. Before mining in the working face, geophysical exploration project combining transient electromagnetic method with audio frequency electric perspective method are used to ...
LIANG Xiangyang
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Meikuang Anquan, 2023 The weathering at the top of bedrock in Jurassic coalfield in northern Shaanxi is strong, and the formed weathered bedrock aquifer is the main water filling source of the mine, which poses a serious threat to the safe mining of the mine.
BAI Yang, NIU Chao, LI Fan, XIANG Min, ZHAO Shuhui
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