深水裸岩大直径超长钻孔桩施工技术

摘要

新建广州至珠海铁路复工工程西江特大桥,主桥水中墩处水深,河床基岩裸露、强度高。重点介绍深水裸岩条件下基础大直径超长钻孔桩施工技术,可为类似工程施工提供参考。%The West River Super-large Bridge,one part of the newly built railway from Guangzhou to Zhuhai,a restoration of construction work,has the following characters： the bridge pier of the main bridge is built in deep water where the river bed is paved with high-strength and bare rocks.This article focuses on long and big-diameter bridge pile construction on bare rocks in deep water in order to provide reference to other similar projects.