Study on the fracture regularity of extra thick and hard roof in “short-face” mining and its blasting weakening technology
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DOI: 10.21595/jve.2019.20622
Abstract: Based on the 211113 “short face” of Xinji No. 2 Mine of China Coal Group, this study investigated the weakening regularity of blasting vibration and rock bursting of roof through FLAC3D numerical simulation on the… read more here.
Keywords: fracture regularity; roof; short face; hard roof ... See more keywords