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巷道处于不良状态甚至过早报废的原因之一是巷道底臌。随着开采深度的增加,岩石膨胀愈加强烈。因此,研宄岩石膨胀现象和寻找防止巷道底臌的有效措施是当前巷道支护的一项迫切的任务。
One of the reasons why the roadway is in a bad condition or even prematurely scrapped is the roadway floor. As the mining depth increases, the rock expands more strongly. Therefore, it is an urgent task to study the phenomenon of rock expansion and to find effective measures to prevent the bottom of roadway.