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| Research on the application of transient electromagnetic monitoring technology in working face affected by collapse column structure |
| Ji Jiyou |
| Shanxi Xinzhou Shenda Energy Group Co., Ltd., Xinzhou 034000， China |
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Abstract The hydrogeological and structural conditions of No.1306 Face in Licun Coal Mine were complex, which put forward higher requirements for the exploration of water-bearing structure. In order to ensure the safety production of mine, the application test of mine transient electromagnetic monitoring technology was carried out. The advanced monitoring and positioning research was carried out in the excavating face of No.1306 air intake roadway to improve the accuracy of the positioning of the water abundance abnormal area and the accuracy of drainage by drilling, so as to ensure the work efficiency. The monitoring research on the drainage of the collapse column was carried out in the working face. The reliability of the delineation results of the low-resistance abnormal area was ensured by comparison and verification, and the drainage effect was verified, which provided reliable information for water disaster prevention and control in working face.
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