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| Study on advanced position exploration of hidden and dangerous water ahead of mining working face |
| Xiang Wang, Meng Hongxing, Liu Bo |
| Geology Team, Hebei Coalfield Geology Bureau, Xingtai 054000, China |
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Abstract Based on the hydrogeological conditions of 1073 working face in Yangliu Mine, transient electromagnetic method was adopted to explore advanced position of hidden and dangerous water in front of mining working face in 1073 air return roadway, pseudosection map apparent resistivity isoline was drew, elaborated inversion interpretation of geophysical characteristics was analyzed. The engineering practice showed that mine transient electromagnetic method enables to detect the hidden and dangerous water ahead of mining face and position the scope, which provided technical support of safe mining, ensured the high efficiency of working, with certain economic benefit.
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