摘要
介绍了大跨度钢管混凝土拱桥稳定分析方法,以湖北景阳河大桥为工程背景,基于有限元理论,运用ANSYS软件建立了空间有限元计算模型.分析了大跨度钢管混凝土拱桥管内混凝土灌注施工阶段的线性和非线性稳定性,得到了各个施工工况的稳定系数和失稳模态,其结果对该桥的施工控制具有重要的指导意义。
The method for stability analysis of long-span concrete-filled steel tube(CFST) arch bridge is introduced.Based on Jingyang River Bridge in Hubei province and finite element method, the spatial model is developed. Both linear and nonlinear stability of long-span CFST arch bridge in construction process are analyzed, the result of which is used to provide the basis for the construction control.
出处
《筑路机械与施工机械化》
北大核心
2008年第12期66-68,72,共4页
Road Machinery & Construction Mechanization
基金
教育部博士点基金项目(20050247029)
关键词
大跨径钢管混凝土拱桥
有限元
灌注阶段
空间稳定
long-span concrete-filled steel tube arch bridge
finite element
construction stage
spatial stability