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CHEN Shan-le WANG Hua-jun LI Yu-cheng, . Study on Floor Water- Bearing Property of Coal Mining Face Based on Transient Electromagnetic Method[J]. COAL SCIENCE AND TECHNOLOGY, 2014, (3).
Citation: CHEN Shan-le WANG Hua-jun LI Yu-cheng, . Study on Floor Water- Bearing Property of Coal Mining Face Based on Transient Electromagnetic Method[J]. COAL SCIENCE AND TECHNOLOGY, 2014, (3).

Study on Floor Water- Bearing Property of Coal Mining Face Based on Transient Electromagnetic Method

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  • Available Online: April 02, 2023
  • Published Date: March 24, 2014
  • In order to find water-bearing features of major water bearing layers in the floor strata of the coal mining face and the hydraulic relationship between the water bearing layers and to ensure the safety mining of the coal mining face, based on a survey principle of the mine transient electromagnetic method, a multi turns ret urn wire measuring device was applied to survey 86 measuring points set in No. 9603 air income gateway and No. 9605 east air income gateway of Mafang Mine. A geo logical explanation was conducted on the hydrogeological physical property condition and the water-bearing abnormal zone from the apparent resistivity variation, distri bution law and others. The exploration drillings were applied to verifty the survey results. The results showed that a lateral water abundance of the stratum was not hom ogenized, was in sectional and the water abundance of the major broken block was relative weak. The water abundance of only partial broken blocks was strong. The st udy results would have important guidance to the mine water disaster prevention and control.
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