高速公路下承式钢管混凝土系杆拱桥设计

Design of Steel Pipe Concrete Tied Arch Bridge in Highway

针对昆明市六甲乡跨官南路高速公路跨线桥,介绍了该桥的整体设计,以及拱肋、拱脚、系梁、吊杆等主要构件的设计特点。采用有限元分析软件Midas Civil和Midas FEA进行了全桥整体计算及拱座局部受力分析。计算结果表明该桥结构形式及截面尺寸合理,满足规范要求。

In light of the Kunming Liujiaxiang Bridge over existing Guannan Highway, the article introduces the overall design of the bridge and the design features of the main parts like arch rib, arch foot, tied beam, tied bar etc. The calculation of overall bridge and partial stress of the bridge abutment partial force bearing is carried out. The result shows that the size and structure of the bridge is proper and can meet the standard.