双套护筒在处理深水钻孔桩穿孔中的应用

On application of double-set guard sleeve in treatment of deep water bored pile

针对深水钻孔桩施工过程常常会出现穿孔现象,造成质量和安全隐患的问题,通过对粗芦岛跨海大桥深水钻孔桩穿孔处理的总结,指出双套护筒方法能有效处理深水钻孔桩穿孔,不仅能保证施工质量和工期,还有效的杜绝安全隐患,降低工程成本。

Aiming at perforation in deep water bored pile construction process which caused the quality and security problems,the paper sums up the perforation treatment of deep water bored pile in Culudao cross-sea bridge, and points out the double-set guard sleeve can effectively treat the perforation in deep water bored pile,which can ensure the construction quality and construction period,and can avoid the security hidden dangers and reduce the project costs.