金庄矿三面临空孤岛工作面防冲技术研究

摘要

金庄矿3109-4工作面有三面采空、旧巷密布及断层横穿等诸多不利因素，从满足煤岩体具有冲击倾向性、强度条件和能量条件等三个方面进行防冲分析，从战略性防御和主动性解危两个角度进行治理，实现安全回采，取得了良好的效果。%Jinzhuang mine 3109-4 working face abutting gobs in three directions has many unfavourable factors , this paper, from the coal rock-burst tendency, strength and energy conditions, analyzed the preventing and controlling measures, governed from two aspects of strategic defence, and initiative crisis, realized the safe mining, and achieved good results.