洪都大桥单索面自锚式悬索桥设计构思  

On Design Idea of Hongdu Bridge:a Self-anchored Suspension Bridge with Single Cable Plane

作　　者：卢永成[1] 陈亮[1] 张晓松[1] 

机构地区：[1]上海市政工程设计研究总院,上海200092

出　　处：《中国市政工程》2010年第3期15-17,共3页China Municipal Engineering

摘　　要：洪都大桥是南昌市城区跨越赣江的第5座大桥,由南主桥、北主桥、南北接线、杨子洲高架等组成,全长为9.5km。南主桥主航道桥采用主跨195m双塔单索面自锚式悬索桥。着重介绍单索面自锚式悬索桥结构中主梁、主塔、基础、缆索系统的设计和结构性能分析。最后介绍了顶推施工方法。该桥已于2009年3月正式建成通车。Hongdu Bridge is the fifth large bridge crossing Gan River in Nanchang urban centre,with the total length of 9.5 km,consisting of south and north main bridges,south-north connection and Yangzizhou Viaduct,etc.The south main bridge,the main channel bridge is designed as a self-anchored suspension bridge with twin towers and single cable plane with the main span of 195 m.Then,the designs and structure performance analyses of main beam,main tower,basis and cables system are pointed out and the incremental launching method is introduced.Hongdu Bridge has been completed officially for service since March,2009.

关 键 词：洪都大桥 单索面 自锚式 悬索桥 设计 施工 

分 类 号：U448.25[建筑科学—桥梁与隧道工程]