摘要
采用有限元法对哈尔滨松花江公路大桥进行动力特性分析,为该类桥型设计及健康监测、状态评估提供有用数据;通过动载试验,检验桥跨结构的实际承载能力、结构变形及动力性能是否满足设计要求,寻求桥梁整体结构的变形规律,了解结构的实际受力状况和工作状况,为日后运营、养护及管理提供科学依据;通过动载试验,建立该类桥梁有关的技术档案,为今后兴建同类桥梁完善设计、优化结构、改进工艺积累实测资料。
The paper studies the modal analysis and the dynamic characteristics analysis about Harbin Song Hua River Bridge adopting the finite element method. All these offer useful data for the bridges design, healthy inspection and condition estimated;According to the move-loading tests, to inspect whether the actual loading ability of the bridges, the structural changing and the dynamic characteristic agree with the design request, to seed the regularization of changing, to understand the actual loading condition and working condition, to offer scientific bases for using, mending and managing in the future. To accumulate the actual material for improving the design of the similar kind bridges, strengthening the structure, and improving the artwork according to setting up the concerned technology files.
出处
《低温建筑技术》
2009年第9期44-46,共3页
Low Temperature Architecture Technology
关键词
动力特性
有限元法
固有频率
模态分析
dynamic characteristics
finite element method
inherent frequency
modal analysis
