摘要
针对近距离煤层群下部巷道软岩底板的大变形的问题,结合补连塔矿2-2煤层实际开采条件,对复杂条件下的巷道底鼓机理进行了研究,通过比较不同控制措施对软岩底板的适应性,确定了切槽卸压治理方案,利用数值模拟软件进行了开采与卸压模拟。结果表明切槽措施对巷道底板变形有明显控制效果。确定了该条件下底鼓控制的合理方案。
Aiming at the large deformation problem of soft rock roadway floor in lower part of close distance coal seam group, combined with the actual conditions of 2_2 seam in Bulianta coal mine, the floor heave of roadway under complex conditions was researched. Through the comparison of adaptability of different control methods on soft rock bottom, the pressure relief groove treatment scheme is determined, the simulation of mining and pressure relief is done by using numerical simulation software. The results show that cutting measures has obvious control effect on the roadway floor deformation, a reasonable scheme under the condition of floor heave control is determined.
出处
《煤炭技术》
CAS
北大核心
2016年第10期94-97,共4页
Coal Technology
关键词
煤层群
底鼓控制
巷道维护
软岩
multi-seams
floor heave control
roadway maintenance
soft rock
作者简介
吕强（1992-）,内蒙古大雁人,硕士研究生,主要从事巷道支护与放顶煤开采方面的研究工作,电子信箱1249337074@qq.com.
