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Modern Mining ›› 2024, Vol. 40 ›› Issue (04): 159-.

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Application of Transient Electromagnetic Method in Advanced Prediction of Water Disaster
in a Coal Mine Working Face

Aiming at the problem of water disaster exploration in a coal mine working face,firstly,the
hydrological and geological conditions in the area are analyzed. Then,according to the basic principle of
transient electromagnetic method,the geophysical prospecting scheme of the working face is formulated,
and the geophysical prospecting results are inverted and analyzed.The analysis results show that the water ac⁃
cumulation area on the upper part of the working face is located in the strike of 400~1 200 m,which is
caused by the characteristics of the goaf of the overlying coal seam,which is low in the east and high in the
west.After drilling,the boundary of the water accumulation area was verified,and the water accumulation
area was determined to be 420~1 200 m along the strike of the working face. According to the analysis of the
water outlet characteristics,the water source was determined to be goaf water.The drilling results are basical⁃
ly consistent with the geophysical results.
  

  1. Datong Co.,Ltd. of Shanxi Coal Transportation and Marketing Group
  • Online:2024-04-15 Published:2024-08-13

Abstract:

Aiming at the problem of water disaster exploration in a coal mine working face,firstly,the
hydrological and geological conditions in the area are analyzed. Then,according to the basic principle of
transient electromagnetic method,the geophysical prospecting scheme of the working face is formulated,
and the geophysical prospecting results are inverted and analyzed.The analysis results show that the water ac⁃
cumulation area on the upper part of the working face is located in the strike of 400~1 200 m,which is
caused by the characteristics of the goaf of the overlying coal seam,which is low in the east and high in the
west.After drilling,the boundary of the water accumulation area was verified,and the water accumulation
area was determined to be 420~1 200 m along the strike of the working face. According to the analysis of the
water outlet characteristics,the water source was determined to be goaf water.The drilling results are basical⁃
ly consistent with the geophysical results.

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