吴淞大桥北引桥整孔顶升、加宽的设计与施工

Design and Construction of Widening and Whole Span Jack-up for North Access of Wusong Bridge

介绍上海城市外环线同济路立交工程中,对吴淞大桥北引桥改建工程的设计和施工。应用钢筋混凝土切割、整孔桥梁顶升、植筋加固等新工艺、新材料对原有市政设施进行改造和利用。其高效、安全、低噪音、无粉尘、无震动的施工过程具有传统施工工艺无法比拟的优越性,极大地拓展了设计思路,为今后市政工程的改造提供了经验。

It is introduced in this paper the design and constru ction of the renovation project of north access of Wusong Bridge. New technology such as reinforced concrete cutting, whole span jack-up, r einforcement implantation etc. are applied to renovate the existing mun icipal structures. The advantages of high efficiency, safety, lower noise, dust-free and vibration-free of the construction course provide experiences for future renovation of municipal engineering.