Research on Reasonable Span of Isolated Pillars in the Large-diameter Long-hole Sublevel Open Stoping with Subsequent Filling Method

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Research on Reasonable Span of Isolated Pillars in the Large-diameter Long-hole Sublevel Open Stoping with Subsequent Filling Method

WANG Long, YE Yi-Cheng, YAO Nan, LUO Bin-Yu, YUE Zhe, LI Jiang-Hua

Metal Mine . 2016, (10): 26 -30 .