Recovery Technology Practice on Suspension Bracket in Coal Pillar Working Face
Author(s): Yang Chonglei
Pages: 63-64,68
Year: 2015 Issue: 9
Journal: Zhongzhou Coal
Keyword: coal pillar working face; extremely broken roof; suspension bracket;
Abstract: 煤柱工作面周围多为采空区,巷道压力大,顶板极其破碎,煤墙易片帮,给工作面悬移支架的回收带来一定的困难.为了保证支架安全顺利回收,朱村矿采用了铺设金属网及钢丝绳、巷道扩帮等方法;现场实践证明,该方法安全、可行,仅用6d时间就将60 m长的工作面支架全部回收.
Pages: 63-64,68
Year: 2015 Issue: 9
Journal: Zhongzhou Coal
Keyword: coal pillar working face; extremely broken roof; suspension bracket;
Abstract: 煤柱工作面周围多为采空区,巷道压力大,顶板极其破碎,煤墙易片帮,给工作面悬移支架的回收带来一定的困难.为了保证支架安全顺利回收,朱村矿采用了铺设金属网及钢丝绳、巷道扩帮等方法;现场实践证明,该方法安全、可行,仅用6d时间就将60 m长的工作面支架全部回收.
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