Calculation of Stope Over-Excavation and Under-Excavation and Safety Analysis for Above-Roof Openings Based on CMS Survey

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Calculation of Stope Over-Excavation and Under-Excavation and Safety Analysis for Above-Roof Openings Based on CMS Survey

LUO Zhou-Quan, LU Hao, LIU Xiao-Ming, YANG Cheng-Xiang, LI Chang

Metal Mine . 2007, (12): 36 -38 .