露天矿坑底地下开采境界顶柱合理厚度研究

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田振海, 时　松, 陈泽辉, 吴秀仪, 郑彦涛, 刘长武,

Study on the Reasonable Thickness of the Crown Pillar for Underground Mining at the Bottom of an Open-pit Mine

TIAN Zhenhai, SHI Song, CHEN Zehui, WU Xiuyi, ZHENG Yantao, LIU Changwu,

金属矿山 . 2026, (7): 72 - .