摘要
以国内第一座3跨曲线部分斜拉桥—龙井河大桥为工程背景,采用自行开发的桥梁空间实体单元有限元分析软件,建立了该桥施工阶段空间实体有限元模型,分析研究了曲线部分斜拉桥箱梁在施工阶段典型截面的剪力滞效应和受力特性,总结了其分布特征。
Longjing River Bridge is the first three-span curved cable-stayed bridge,is used as the engineering background.We established the finite element analysis model of the space entity of the whole bridge by using the self-developed finite element analysis software and studied the shear lag effect and force characteristics of the typical section of the curved cable-stayed box girder in the construction stage.The distribution characteristics are summarized.
作者
郭祥伟
GUO Xiang-wei(Xi’an Highway Research Institute,Shaanxi Xi’an 710065 China)
关键词
曲线部分斜拉桥
空间有限元法
施工阶段
剪力滞效应
curve extradosed cable-stayed bridge
space finite element method
construction stage
shear lag effect
