PDF(1477 KB)
Stability of undercut space in fragment orebody based on key block theory
Jian-hua HU, Chun YANG, Ke-ping ZHOU, Jie-lin LI, Feng GAO
Transactions of Nonferrous Metals Society of China ›› 2016, Vol. 26 ›› Issue (7) : 1946-1954.
PDF(1477 KB)
PDF(1477 KB)
Stability of undercut space in fragment orebody based on key block theory
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