芜湖长江大桥正桥上部结构设计

全面介绍已建成通车的芜湖长江大桥上部结构设计概况。其主跨斜拉桥为国内最大跨度的公铁两用桥，跨中合龙首创双较合龙法。正桥钢梁采用了14MnNbq厚板焊接整体节点及钢桁合梁新技术。

The Design of theSuperstructure of Wuhu Changjiang River Bridge

The design of the superstructure of Wubu Changjiang River Bridge is generally infroduced. The main span of this bridge is the largest railway-highway double-used and double decked cable-stayed bridge in china, the method of closure with double hinges at the mid-span was invented and used in this bridge for the first time. New technology such as the weeding of the whole gussets with 14MnNbq thick-plate as well as the technology of the composite structure of steel-truss and concrete highway decks were employed in the main bridge.