七滘大桥水中桩基病害分析与加固

Disease Analysis and Reinforcement for Off-shore Piles of Qijiao Bridge

七滘大桥全长1 510m,1995年建成通车。桥梁结构建成后经过多年运营,水中桩基础由于所处环境较复杂出现各种病害,需及时进行加固,以提高桥梁的耐久性和安全性,简要介绍其加固措施。

Qijiao Bridge,which is as long as 1510 m,was finished and open to traffic in 1995. Due to many years of operation after completion of the bridge structure,all sorts of diseases of the pile foundation due to complicated environmental conditions have been encountered,which needs immediate reinforcing to improve the safety and durability of the bridge,the reinforcement measures have been briefly introduced.