Experimental Research on Dynamic Evolution Characteristics of Roof Movement and Mining-Induced Stress of Superimposed Mining in a Close Distance Coal Seam Group
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DOI: 10.1007/s10706-019-00968-0
Abstract: To obtain the evolution characteristics of roof movement and mining-induced stress, the evolution of roof movement and mining-induced stress are investigated during the mining of close coal seams based on 2# and 3 + 4# coal seams… read more here.
Keywords: superimposed mining; coal seam; mining; mining close ... See more keywords