某钢管混凝土系杆拱桥设计参数优化分析

Analysis of the Design Parameters Optimization of a CFST Tied Arch Bridge

下承式钢管混凝土系杆拱桥由于其自身特点,近年来受到工程界普遍重视。论文结合某具体工程实例,从设计角度出发,采用空间有限元计算模型进行分析计算,讨论了在不同矢跨比、吊杆初张力情况下,全桥成桥状态受力优缺点,并对这2项设计参数提出了优化建议。

More and more engineers prefer the tied arch bridge of concrete filled steel tube because of its advantages. This article combining with concrete engineering project, form the design view, mainly discussed the mechanical property of this kind of bridge with different rise-span ratio and initial stress of the hanger rod, at last offer a proposal to optimizing the two design parameters.