吴淞大桥上部结构整体顶升技术

The Integral Superstructure Lifting up Technology for Wu Song Bridge

利用加固的旧桥墩台基础,在其上搭设顶升支架和液压顶升系统,然后解除盖梁的垂直约束和水平约束,将盖梁与板梁分步顶升到设计标高。

The lifting-up supporting and hydraulic lifting-up system were set up on consolidated old bridge pier abutment foundation,then horizontal and vertical restrain on the coping were released and coping and plate beam were separately lift up into designated level.