常州京杭运河淹城大桥设计

淹城大桥是京杭运河常州市区段改线工程中的一座大桥,主桥采用（30.7＋100＋30.7）m三跨中承式连续钢桁架拱桥,这种桥型目前在公路桥梁中很少采用。文章着重对淹城大桥主桥从设计、结构分析、施工方案、经济性等方面进行介绍,认为该种桥型造型美观、经济性较好。

Design of Yancheng Bridge Over the Grand Canal in Changzhou

Locating at the part of Changzhou City Realignment Project over the Grand Canal, Yancheng Bridge is a three-span middle sustained steel shaft arch bridge, composed of a 100 m main span and 30.7 m side spans in both sides, which are rarely used in currently in highway bridge. According to the introduction to the bridge mainly from the design method, structural analysis, construction scheme, and economicality, etc., it is considered that this kind of bridge is advantageous in both shape and economicality.