Feasibility Study on Equal Cement-sand Ratio Backfill based on Stability Judgment of the Filling Body

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Feasibility Study on Equal Cement-sand Ratio Backfill based on Stability Judgment of the Filling Body

YAN Dong-Fei, MA Feng-Shan, ZHANG Ya-Min, GUO Jie, GUO Hui-Gao, WANG Hu

Metal Mine . 2011, (10): 41 -43+54 .