摘要
以一座薄壁高墩刚构桥为研究对象,根据其墩高及薄壁的特点,运用通用有限元软件ANSYS对其建立三维有限元动力计算模型,对该桥最大悬臂施工阶段和成桥阶段的动力特性进行计算分析,获得了大桥的自振频率和振型,为该类桥梁的抗风、抗震设计研究提供了分析的基础.
A rigid frame bridge with thin- wall high piers was taken as a research project. The space model of the structure was built up by utilizing the finite element program ANSYS and the dynamic property of bridge was calculated, and the frequencies and mode shapes of the bridge were obtained. A useful attempt about this type of bridge is made for a seismic and wind resistance design.
出处
《宜春学院学报》
2007年第2期107-109,共3页
Journal of Yichun University
关键词
刚构桥
薄壁高墩
有限元
动力特性
振型
rigid frame bridge
thin -wall and high- pier
finite element analysis
dynamic property
mode
