Volume 43 Issue 2
Oct.  2021
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LI Kun, ZENG Yifan, SHANG Yanjun, WU Qiang, HE Wantong. The application of “three maps-two predictions” method based on GIS[J]. COAL GEOLOGY & EXPLORATION, 2015, 43(2): 58-62. DOI: 10.3969/j.issn.1001-1986.2015.02.012
Citation: LI Kun, ZENG Yifan, SHANG Yanjun, WU Qiang, HE Wantong. The application of “three maps-two predictions” method based on GIS[J]. COAL GEOLOGY & EXPLORATION, 2015, 43(2): 58-62. DOI: 10.3969/j.issn.1001-1986.2015.02.012
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The application of “three maps-two predictions” method based on GIS

  • 1. Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China;

  • 2. State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Beijing 100083, China

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  • Received Date: October 12, 2013
  • Available Online: October 21, 2021
    Graphical Abstract
    • Abstract
  • To evaluate mine roof water inrush in coal seam No.1 in Daqiang mine of Tiefa Coal Group, the AHP-type "three maps-two predictions" method based on GIS is employed. Through comprehensive analysis of 5 geologic factors such as the thickness of aquifers, total core recovery, volumetric flow rate, permeability coefficient and faults which influence the water abundance of the roof of coal seam No.1 in Daqiang mine, the water-richness distribution maps of aquifers in coal roof were obtained, and the research on safety division of the breaking zone was conducted. The final comprehensive division program on water bursting conditions of coal seam No.1 in Daqiang mine was presented through overlapping of multiple source geo-information on the basis of the above studies. Finally, water bursting inflow of mining faces 2-202 and the 3rd mining area was predicted by utilizing advanced professional software Visual Modflow.
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