孤岛仰采工作面煤壁片帮分析与治理

doi:10.11799/ce201407027

Abstract

Abstract:

Abstract：WuTongZhuang No.182309 mining face was an isolated up-dip mining face with the angle of the mining face wide , the strata pressure violent and the phenomenons of rib fall of coal wall frequent. In view of these problems, taking WuTongZhuang No.182309 mining face as project background，the condition of the stress near the mining face and the rib of coal wall were analyzed by use of numerical simulation software FLAC3D and UDEC. Based on the above study results, the mining face adopted a scheme of pre- grouting which effectively controled the phenomenon of the rib fall of coal wall.

Key words: Key words: isolated mining face, overhand mining, numerical simulation, rib fall of coal wall

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URL: http://www.coale.com.cn/EN/10.11799/ce201407027

http://www.coale.com.cn/EN/Y2014/V46/I7/81

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Analysis and control of rib fall of coal wall of isolated up-dip mining face

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