偏心跟管成孔技术在破碎地层边坡锚固中的应用

Application of Borehole Completion Technology by Eccentric Drilling with Simultaneous Casing for Slope Anchorage in Broken Layer

摘要:

介绍了偏心跟管成孔施工技术在破碎地层边坡的预应力锚固处理中的应用,该技术的成功运用,保证了复杂地层中的锚索施工质量,加快了施工进度,取得了良好的效果。

Abstract:

The paper introduced borehole completion technology by eccentric drilling with simultaneous easing; it was applied in pre-stressed cable bolt treatment for side slope in broken layer and qualified the construction quality in complicated formation.