Study on Mining Sequence and Ore-drawing Control Technique of High-stage Backfill Mining

Metal Mine ›› 2011, Vol. 40 ›› Issue (06): 13-15+28.

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Study on Mining Sequence and Ore-drawing Control Technique of High-stage Backfill Mining

Xu Wenbin^1,2，Song Weidong^1,2，Wan Haiwen^1,2，Wang Wenxiao³，Wang Wenjing³

1.State Key Laboratory of High-Efficient Mining and Safety of Metal Mines, Ministry of Education；2.School of Civil and Environment Engineering, University of Science and Technology Beijing；3 Masteel Group Gushan Mine Co., Ltd.

Online:2011-06-08 Published:2011-06-09

Abstract

Abstract: Based on geologic condition of Houguanyinshan ore-body in Masteel Gushan Mine, FLAC2D simulation soft is used to analyze the changes of stress, deformation and plasticity of wall rock caused by stage backfill mining. Then the change rule of stress, deformation and plasticity is obtained. Five mining sequence schemes are contrasted to determine the mining sequence of ore-room in panels. And ore-drawing order of the stage backfill mining is also put forward by referring to the granule mechanics, which can guide the practical production in mine.

Key words: Iron mine, Stage backfill mining, Mining order, Ore-drawing controlling

XU Wen-Bin, SONG Wei-Dong, WAN Hai-Wen, WANG Wen-Xiao, WANG Wen-Jing. Study on Mining Sequence and Ore-drawing Control Technique of High-stage Backfill Mining[J]. Metal Mine, 2011, 40(06): 13-15+28.

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