广东清远北江三桥复杂岩溶地质桩基础施工

Construction of Pile Foundations of the 3rd Beijiang River Bridge in Qingyuan,Guangdong in Complicated Karst Geology

广东清远北江三桥共有82根钻孔灌注桩,桩位处均为复杂岩溶地质。介绍复杂岩溶地质桩基础施工方法,以及施工过程中裂隙、溶洞的处理。

There are totally 82 bored piles for foundations of the 3rd Beijiang River Bridge in Qingyuan, Guangdong, and the locations of these piles are all of complicated karst geology. In this paper, the construction methods for the piles in the karst geology, and handling of gaps and karst caves during construction are presented.