大跨度钢管混凝土拱桥钢管拱桁架节段吊装

Suspending Placement of Steel Tubular Arch Truss Articulations of CFST Arch Bridge with Large Span

以秭归青干河大桥钢管拱桁架节段吊装施工为例，介绍了该桥主跨２５６．０ｍ中承式钢管混凝土无铰拱桥钢管拱桁架节段现场预拼及空中吊装的施工设备、施工方法与技术要点等。实践表明：秭归青干河大桥钢管拱桁架节段吊装施工较为成功，值得推广与借鉴。

Based on the case of Qinggan River Bridge in Zigui which is a CFST arch bridge with a main span of 256. o m, the construction equipments, construction methed and trait of technology of suspending placement of steel tubular arch truss articula- tions are introduced. The construction is proved to be successful by practice and worth spreading and referring to.