Abstract: This article discusses the formation of the drilling rig platform,selection of the hole forming equipment and treatment of some incidents occurred during the construction of the bored pile foundation of the Qi'ao Bridge in Zhuhai under different geological conditions.It also studies such issues as the embedment of the steel casing and bottom elevation of the bored pile on the inclining rock and katarock.

Key words: Zhuhai Qi'ao Bridge, bored pile foundation, construction technology

摘要： 笔者介绍了淇澳桥主桥钻孔灌注桩基桩施工中,在不同地质条件下,水上钻机平台的搭设、成孔设备的选型、事故的处理,并对钢护筒的埋设及破碎带倾斜岩面上钻孔嵌岩面上钻孔桩孔底标高问题作了探讨.

关键词: 淇澳大桥, 钻孔灌注桩基, 施工技术措施