Research on the Reasonable Thickness of Cover Layer at Goaf under Condition of Open-underground Combined Mining based on Ansys

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Research on the Reasonable Thickness of Cover Layer at Goaf under Condition of Open-underground Combined Mining based on Ansys

FEI Peng-Cheng, SONG Zi-Ling, WANG Dong, WANG Rui-Xue

Modern Mining . 2012, (01): 8 -10 .