Volume 47 Issue S1
Sep.  2019
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CHANG Xiulin, YANG Hua, XIE Jian. Influencing factors and calculation method of the height of two zones in Wugou coal mine, Huaibei mining area[J]. COAL GEOLOGY & EXPLORATION, 2019, 47(S1): 43-46. DOI: 10.3969/j.issn.1001-1986.2019.S1.008
Citation: CHANG Xiulin, YANG Hua, XIE Jian. Influencing factors and calculation method of the height of two zones in Wugou coal mine, Huaibei mining area[J]. COAL GEOLOGY & EXPLORATION, 2019, 47(S1): 43-46. DOI: 10.3969/j.issn.1001-1986.2019.S1.008
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Influencing factors and calculation method of the height of two zones in Wugou coal mine, Huaibei mining area

  • Wugou Coal Mine of Anhui, Huaibei 235131, China

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  • Received Date: August 04, 2019
  • Published Date: September 19, 2019
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    • Abstract
  • Aiming at the problem of inaccurate calculation of the height of the two zones of soft and weak overburden rock under complicated conditions, on the basis of the existing calculation formula, with Wugou Coal Mine in Anhui Province as example, through insight into the communication of the aquifer of seam 10 in Wugou Coal Mine, measured data were obtained, the measured and theoretically calculated height of the two zones in different working faces was compared, it was concluded that their difference was big and both height showed linear relation. Then the burial depth was taken as an influencing factor. Through linear analysis, the coefficient of the second term of the original calculation formula was corrected to get the calculation formula suitable for the two zones in the study area. The results indicated that the corrected calculation formula can accurately predict the height of the water-conducting zone in Wugou Coal Mine, increase of the upper limit of waterproof pillar can prevent and control water hazards. The research results can guarantee the safe mining in the study area and enhance the integral benefit of Wugou Coal Mine.
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