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分析了煤柱工作面顶板岩层运动的特点及支承压力分布情况,总结了梨树煤矿防治煤柱工作面顶板事故的方法,具有一定的借鉴意义。
The characteristics of roof rock movement and the distribution of bearing pressure are analyzed. The method of preventing and controlling roof accidents of coal pillar face in Lishu Coal Mine is summarized, which has certain reference significance.