新型中承式钢桁架自锚悬索桥模态分析  

Modal Analysis of New Type of Half-through Steel Truss Self-anchorage Suspension Bridge

作　　者：王培晓[1] 张哲[2] 张勇[2] 方国强[2] 

机构地区：[1]上海市政工程设计研究总院,上海200092 [2]大连理工大学桥梁工程研究所,大连116024

出　　处：《交通科技》2007年第5期6-8,共3页Transportation Science & Technology

摘　　要：通过ANSYS有限元分析软件进行中承式钢桁架自锚悬索桥动力特性分析,提出较为准确的建模方法,使计算结果能满足工程分析精度要求。列出这种新桥型有代表性的振型并进行分析,为工程实践提供实用的动力性能依据。Using ansys finite element analysis software,the dynamic characteristic of half-through steel truss self-anchorage suspension bridge is analyzed. Present the accurate modeling method, which can be satisfied for project analysis precision requirement. List the representational vibration characteristics of the new bridge type and analysis it, the result can provide practical dynamic characteristics basis for engineering practice.

关 键 词：中承式 自锚 悬索桥 模态分析 

分 类 号：U448.25[建筑科学—桥梁与隧道工程]