苏通大桥有底钢吊箱设计与施工

作者：姚平 刘景红 代廷伟 周明生

单位：第二航务工程局苏通大桥项目部 第二航务工程局苏通大桥项目部 第二航务工程局苏通大桥项目部 第二航务工程局苏通大桥项目部 江苏南通226017 江苏南通226017 江苏南通226017 江苏南通226017

关键词：苏通大桥  可拆卸式  有底钢吊箱  设计与施工

分类号：U445

出版年,卷(期):页码：2006,30(3):51-54

摘要：

苏通大桥北引桥B 2标全长1.475 km,标段内共有38个承台。在宽阔水域、多墩承台、中等水深和流速条件下采用了底板无连接、可拆卸式有底钢吊箱的方法进行承台施工,并获得成功。该方法具有底板可拆卸、可周转、高灵活性、低成本等特点。

The northern approach bridge to Sutong Bridge covered in Contract No.B2 was totally 1.475 km long and there were 38 pier caps under the contract lot.To build pier caps on multiple piers in vast waters with medium water depth and medium velocity of currents,the method of building pier caps by using dismountable bottomed steel casings without connection of bottom plates was adopted and the construction was successfully completed.The technique is so characterized that the bottoms are dismountable,the steel casings are reusable and highly agile,and the construction cost is also low.

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