PDF(978 KB)
Mechanical Analysis of Space-time Transformation for Alternate Room-and-pillar Mining with Ascending Backfill
ZHAO Guo-yan, LU Jun-hua, LIU Zhi-xiang
Mining and Metallurgical Engineering ›› 2012, Vol. 32 ›› Issue (1) : 1-4.
PDF(978 KB)
PDF(978 KB)
Mechanical Analysis of Space-time Transformation for Alternate Room-and-pillar Mining with Ascending Backfill
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