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| Research on precise water prevention and control technology of No.3121 Face in Xiadian Coal Mine |
| Zhang Junyi |
| Xiadian Coal Mine, Lu 'an Chemical Group Cilinshan Coal Industry Co., Ltd., Xiangyuan 046299, China |
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Abstract In order to accurately implement the water prevention and control work of No.3121 Face in Xiadian Coal Mine, the transient electromagnetic exploration and radio wave perspective technology were used to explore the initial mining range of 650 m in the working face, and the abnormal area of key control was found. Through the drainage of the abnormal area of the roof, a total of 1 278 m3 of water was drained. Through the grouting of the abnormal area of the floor, the safe mining of No.3121 Face was finally realized, which provided experience for the implementation of precise water prevention and control technology in the remaining working face of the mine.
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