Shaft failure characteristics and the control effects of backfill body compression ratio at ultra-contiguous coal seams mining
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DOI: 10.1007/s12665-018-7641-x
Abstract: Solid backfill coal mining is a mainstream method in green coal mining, which has gradually become a key technology to control shaft deformation when recovering industrial square pillars during mining of ultra-contiguous coal seams. On… read more here.
Keywords: backfill body; coal seams; deformation; coal ... See more keywords