Detection of Coal Bust Risk in a Kilometer Depth Workface with Hard–Thick Roof Based on Active–Passive Seismic CT
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DOI: 10.3390/app13106173
Abstract: Practice and theory research proved the “square effect” during longwall mining with hard–thick strata lying on the coal seam, which could cause severe underground pressure and even dynamic disasters, such as coal burst; therefore, it… read more here.
Keywords: coal burst; hard thick; square effect; coal ... See more keywords