Sliding instability characteristics and re-stabilization mechanism of key stratum in thin-topsoil SCS mining: a computer-aided case study from the Niushan Coal Mine, China
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DOI: 10.1007/s12665-019-8691-4
Abstract: Roof step subsidence and support crushing accidents caused by the sliding instability of fractured single key stratum often occur in shallow coal seam (SCS). For this reason, the exploration of fracture displacement laws and control… read more here.
Keywords: key stratum; sliding instability; scs; topsoil ... See more keywords