超前锚杆在软岩中的加固作用机理及其应用

Application and Reinforcement of the Fixing Bolt Before Digging Roadway in Soft Rock

介绍了矿山井巷工程穿过松软的岩层、煤、断层及其破碎带时采用超前锚杆做临时支护的加固作用机理、施工工艺、施工方法及应用情况 ,实践证明该技术具有工艺简单、操作简便、安全可靠。

In the paper the author mostly introduced the mechanism of the fixing bolt before digging roadway in soft rock, and the craftwork and methods of construction, and its application. The virtues are proved in practice that the craftwork and operation of this method are very simple. The applicability of the method is wide.