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The Coal Mine Roof Rating (CMRR) has been incorporated into many aspects of mine planning, including longwall pillar design, roof support selection, feasibility studies, and extended cut evaluation. This paper presents recent improvements and application of the CMRR.
Author(s): | Mark-C, Molinda-GM, Barton-TM |
Reference: | In: Peng SS, Mark C, Khair AW, Heasley KA, eds. Proceedings of the 21st International Conference on Ground Control in Mining. Morgantown, WV: West Virginia University, 2002 Aug; :294-301 |
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