华丰煤矿错层位巷道布置预防冲击地压研究

Study of Stagger Arrangement Roadway Layout to Prevent Rockbrust of Huafeng Coal Mine in Deep Exploitation

针对华丰煤矿冲击地压事故频繁发生情况,从改善巷道布置方式出发,提出错层位巷道采全厚采煤法,即华丰煤矿1410工作面采用错层位巷道布置。通过对首采面和接续面进行支承应力分析,确定了巷道有利位置,减少巷道承受压力。运用相似模拟实验研究错层位巷道布置下巷道所受支承压力。

Based on the frequent accidents of rockbrust in Huafeng coal mine, optimized the roadway layout and ensured rational mining sequence,used the method of stagger arrangement roadway layout top-coal caving mining adopted the stagger arrangement roadway layout at 1410 working face in Huafeng coal mine. Determined the position of roadway by analysis of the abutment pressure on the initial mining face and succeeded surface,reduced the abutment pressure of roadway. Using similar simulation experiment to research on the abutment pressure distribution in stagger arrangement roadway layout.