摘要
介绍了在老平硐恢复过程中撞楔法在冒顶段施工中的应用情况。实践证明,该方法能有效地应用于类似地段,并取得显著的经济效益,为其他类似工程提供有益的参考。
The application of bumping beam method in the construction of roof fall area during the recovery process of the old footrill is introduced. The method is proved to be effective in passing similar area and has achieved remarkable economic benefit. It can provide useful reference for other similar projects.
出处
《有色金属（矿山部分）》
2015年第4期64-67,共4页
NONFERROUS METALS(Mining Section）
关键词
平硐
冒顶
撞楔法
超前支护
footrill
roof fall
bumping beam method
advance support
