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Published in 2021 at "Advances in Civil Engineering"
DOI: 10.1155/2021/1434893
Abstract: A coal mine in Datong is an integrated mine. At present, there is goaf in the upper and lower part of the mining coal seam. There is a lot of ponding in the goaf, which…
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Keywords:
exploration;
method;
area;
goaf ponding ... See more keywords