单双壁结合钢围堰设计与施工

Design and construction of single-double wall composite steel cofferdam

针对捞刀河大桥拓宽改造工程2号墩工期紧张、没有围堰封底空间的情况,采用了单双壁结合钢围堰结构,对单双壁结合钢围堰设计及施工工艺进行了论述,结果表明该工程取得了良好的效果。

Regarding to the situation that construction period short without cofferdam seal space of the second pier of Laodao river Bridge widen renovation project, the single-double wall composite steel cofferdam structure was used. The paper discusses the design and construction technology of single-double wall compesite steel cofferdam, and the result shows that the project achieves great effect.