关于煤矿深部开采的围岩控制研究

随着煤矿开采深度的增加,开采环境发生着不利的变化,给煤矿的安全生产来了极大的隐患。同时随开采深度增加,岩层压力显著增大、巷道位移量增大、支架损坏严重、巷道返修量剧增,巷道维护变得异常频繁与困难。该文从深部围岩的岩性变化论述入手,阐述了如何对深部围岩进行有效控制,以保障深部开采的有序进行。

With the increase of the depth of coal mining, mining environment, adverse changes in place, to coal mine safety production to a great risk. At the same time with the increase of mining depth, rock pressure increased significantly, roadway displacement increases, the stcnt was badly damaged and dramatic increase in the amount of roadway repair, tunnel repare quantity to soar roadway maintenance are abnormal frquent and difficulties. This paper discusses the deep surrounding rock of lithological changes and expounds how to deep surrounding rock under effective control, in order to ensure the deep mining of the orderly.