钢管混凝土系杆拱桥施工关键技术及整体稳定性分析

Analysis on construction key technologies and integral stability of CFST(concrete-filled steel tubular) tied arch bridge

介绍了某铁路客运专线跨径113.3 m钢管混凝土系杆拱桥施工关键技术,包括支架搭设、主梁施工、钢管混凝土灌注及吊杆张拉等。并对施工及运营过程中该桥的整体稳定性进行了分析,得出的结论可供同类桥梁参考。

This paper introduced the key construction techniques of a CFST tied arch bridge with 113.3 meter span in the railway passenger dedicated line, which includes the bracket erection, the main girder construction,concrete casting and suspender tensioning, etc., and analyzed the global stability in the construction and operation process, the results of which can provide a reference to the similar bridge construction.