Results 41 to 50 of about 344 (181)
Research on the evolution and height prediction of WCFZ in shallow close coal seams mining
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, 2023 Based on the mining conditions of shallow close coal seams in the Jurassic coalfield of northern Shaanxi, in order to explore the evolution and development height prediction of water-conducting fracture zone (WCFZ), combining with measured statistical ...
Jian Cao +3 more
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Meikuang Anquan, 2021 Taking 3200 working face of Tianzhu Coal Mine as an example, by analyzing the geological and hydrogeological conditions of the mine, the main water filling source and water filling channel of the mining face are determined.
HUANG Hao, FANG Gang, LIANG Xiangyang, LIU Yang
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Geology Today, Volume 39, Issue 3, Page 90-98, May/June 2023., 2023 The Arden Sandstone Formation of central and western England is a thin but conspicuous arenaceous unit within the Late Triassic Mercia Mudstone Group. Sedimentological and palaeontological data point to lacustrine depositional conditions, in contrast to the red desert mudstones above and below which were deposited as continental dryland desert ...
Stuart D. Burley +2 more
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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 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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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
openaire +2 more sources
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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