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Showing 1 to 2 of 2 for “"mine ground control"”.
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Numerical Modeling of Room-and-Pillar Coal Mine Ground Response
Underground coal mine ground control persists as a unique challenge in rock mass engineering. Fall of roof and rib continue to present a hazard to underground personnel. Stability of underground openings is a prerequisite for successful underground coal mine workings. An adaptation of a civil …
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Factors predictive of roof instability in addition to the existing CMRR criteria at two case study coal mines
… remain one of the greatest hazards facing underground coal miners (Barczak et al., 2000; Razani et al., 2013; Oraee et al., 2016). In 2017 there were 91 lost-time injuries from roof falls (in US underground coal mines). A further 48 roof falls were reported in US underground coal mines with no …