一座悬索桥扩建为斜拉悬吊桥的关键技术分析  

Key Technology Analysis on a Suspension Bridge Expanded to a Cable - stayed Suspension Bridge

作　　者：王培晓[1] 

机构地区：[1]上海市政工程设计研究总院(集团)有限公司,上海200092

出　　处：《中国市政工程》2012年第5期20-22,29,共4页China Municipal Engineering

摘　　要：悬索桥作为一种特殊的桥型,使用性能主要依赖于悬索桥主缆及悬吊系统的功能和耐久性。所以对悬索桥的维修加固,也要因桥而异,不断探索新的方法。通过对大连市1座地锚式悬索桥的拓宽改造,利用有限元软件进行计算分析,力争寻求一种切实可行、经济节省且不破坏原悬索桥结构的拓宽改造方案,为以后同类工程的实施提供参考。Suspension bridge is a specific bridge type,the performance of which mainly depends on the main cable and the function & durability of suspension system.Due to the reasons mentioned,repairing &strengthening work for suspension bridge should develop new method continuously according to different bridge.Taking widening &reconstructing project of a earth arched suspension bridge in Dalian for example,using finite element software for calculation analysis,a practicable & feasible,economic widening & reconstructing plan is being searched for with no damages to original suspension bridge structure,which can provide references for similar projects in the future.

关 键 词：悬索桥 有限元 斜拉悬吊组合体系 拓宽 

分 类 号：U448.255.6[建筑科学—桥梁与隧道工程]