南昌洪都大桥自锚式悬索桥设计

Design of Self-Anchored Suspension Bridge of Hongdu Bridge in Nanchang

南昌洪都大桥通航孔桥为一座主跨195 m双塔三跨单索面自锚式悬索桥,结构上采用3根大缆,外形优美。介绍大桥桥塔、钢箱加劲梁、缆吊系统设计及先梁后缆施工方法的主要内容。对该悬索桥主缆钢混锚固区受力机理及大桥抗风性能进行研究,研究表明大桥钢混锚固区各构件受力性能满足要求,大桥具有较好的气动稳定性。

The navigable span bridge of the Hongdu Bridge in Nanchang is a two-tower and three-span single cable plane self-anchored suspension bridge with a main span 195 m and structurally,three main cables are provided for the bridge and the configuration of the bridge is elegant.This paper presents the principal contents of the design of the towers,stiffening steel box girder,cable and suspender system of the bridge,the construction method of erecting the girder first and installing the cable and suspender system ...