Abstract:
The drilling work can be done with the compressed-air driven percussion
drill,the hydraulic pressure rotation drill and the multi-purpose drill at different
geological conditions. The drilling conditions of deep holes for soft surrounding rock
are obtained. The important technical support for pre-drilling and pre-reinforcement
at soft surrounding rock is provided.
分别通过对风动冲击钻机、液压回转钻机、多功能钻机在不同地质条
件下的钻凿作业进行分析,得出在软弱围岩成功实现深孔钻凿穿越的条件,为
软弱围岩的超前钻探与预加固提供重要技术支持。