摘要
以三塔两跨的泰州大桥为研究对象,根据有限元分析及全桥气弹模型风洞试验的结果,对主梁对称架设施工阶段的动力特性及颤振稳定性进行了研究。结合桥位地区30年的月极大风速分析,对主梁架设阶段的颤振稳定性进行了评价。最后提出了一套针对悬索桥施工阶段颤振稳定性评价及策略确定的流程,可供其他桥梁参考。
In this paper, Taizhou Bridge, a three-tower suspension bridge was investigated to discover the flutter stability of deck under symmetrical construction through FEM （finite element method） analysis and full aero- elastic model tests. The assessment of flutter stability during deck construction stage was performed based on analysis of the monthly maximum wind speed in the past 30 years. In the end, the assessment and management strategy of flutter stability were proposed, which can be referred for other bridges.
出处
《中国工程科学》
北大核心
2012年第5期46-50,共5页
Strategic Study of CAE
基金
国家科技支撑计划资助项目(2009BAGl5B01)
交通行业联合科技攻关项目(2008-353-332-190)
关键词
多塔悬索桥
施工阶段
颤振稳定性
管理对策
multi-tower suspension bridge
construction stage
flutter stability
management strategy
