Structural Design of Compound Artificial Boundary Pillar During Transition from Open-pit to Underground Mining

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Structural Design of Compound Artificial Boundary Pillar During Transition from Open-pit to Underground Mining

SUN Lin-Lin, YOU Chun-An, LIU Jian-Xin, SUN Ling-Zhi

Metal Mine . 2013, (05): 5 -9 .