Layout and support design of a coal roadway in ultra-close multiple-seams

来源 :Journal of Central South University | 被引量 : 0次 | 上传用户:cattlecattle
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A roadway within ultra-close multiple-seams(RUCMSs) is one of the most difficult supported coal roadways to deal with in underground coal mines. This is usually due to the unknown stress distributions, improper roadway layout, and unreasonable support par
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