Combining with the specialty of the fabrication,welding,and installation of major steel bridge structure arch rib of Wuxi Xingtang Bridge,the essay introduces arch rib fabrication scheme,welding technique,and installation scheme and so on,and describes the construction technology of new structure,which has accumulated experience for similar engineering construction.%结合无锡市兴塘大桥主桥钢结构拱肋制作,焊接和安装的特殊性,深入介绍了大桥主拱肋的制作方案、焊接工艺和安装方案等,通过对这种新型结构形式施工工艺的介绍,为同类工程施工积累了经验。
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