Research on Reasonable Width of Coal Pillars in High Strength Mining Roadway in Wantugou Mine
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DOI: 10.1007/s10706-020-01607-9
Abstract: Reasonable coal pillar size is a necessary condition for high strength and safe mining of coal face with double roadway arrangement. On the basis of the lack of theory of coal pillar retention between alleys… read more here.
Keywords: coal pillar; high strength; roadway; coal pillars ... See more keywords