长江三峡链子崖危岩体防治工程中的锚固钻孔工艺

Anchor Hole Drilling Technology for Treatment of The Hazardous Rock Mass of The Lianziya Cliff at The Changjiang Three Gorges

摘要:

介绍了长江三峡链子崖危岩体的概况以及整治危岩体中造锚索孔的技术，包括钻机在高空排架固定、防止孔斜及测斜、破碎带和大裂缝的钻进技术，以及大裂缝的堵漏技术。

Abstract:

The hazardous rock mass of the Lianziya Cliff is outlined with the anchor hole drilling technology for the treatment presented, including the mounting of the drill on the overhead scaffold, prevention and measurement of the hole deviation, drilling in the broken zone and large fracture, as well as sealing of the fracture.