PDF(8305 KB)
Arch model of roof and optimization of roof-contacted filling rate in two-step mining
Ming TAO, Yan ZHAO, Jiang GUO
Transactions of Nonferrous Metals Society of China ›› 2023, Vol. 33 ›› Issue (6) : 1893-1905.
PDF(8305 KB)
PDF(8305 KB)
Arch model of roof and optimization of roof-contacted filling rate in two-step mining
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