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QIU Zhanlin, WU Chaofan, CHEN Wenrong, WANG Lei, HUANG Junnan, ZENG Guiling. Detection on Water Abundance Ahead of Tunneling Based on Aligned Array Parallel Electrical Method[J]. Safety in Coal Mines, 2019, 50(4): 157-163.
Citation: QIU Zhanlin, WU Chaofan, CHEN Wenrong, WANG Lei, HUANG Junnan, ZENG Guiling. Detection on Water Abundance Ahead of Tunneling Based on Aligned Array Parallel Electrical Method[J]. Safety in Coal Mines, 2019, 50(4): 157-163.

Detection on Water Abundance Ahead of Tunneling Based on Aligned Array Parallel Electrical Method

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  • Published Date: April 19, 2019
  • Aligned array parallel electrical method breaks through the limitation of point-by-point power supply and measurement of the traditional electric method, and realizes the method improvement of single pole, multipole power supply and synchronous parallel measurement. Based on the influence of tunnel cavity and interference correction, the migration model is established and the migration stack and grid processing are carried out, and the anomaly extraction technology of advanced detection can be optimized, with the accuracy and reliability of advanced detection improved. Through the application example of Xiaojingjian Coal Mine in Longyan, it is proved that this method is feasible for the prediction of water abundance ahead of the roadway of small coal mine in Fujian Province. The forecast result is in accordance with the actual situation of roadway tunneling.
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