南盘江特大桥钢管拱劲性骨架节段整体吊装技术

Integral Hoisting Technology of Steel Tube Arch Stiffness Skeleton Segments of Nanpanjiang Super Bridge

钢管拱劲性骨架节段整体吊装施工具有工艺简单、易于质量控制、安全风险小和施工投入少等优点。通过云桂铁路南盘江特大桥主桥钢管拱劲性骨架节段整体吊装，阐述大跨度钢管混凝土拱肋劲性骨架整体吊装施工方案设计要点、工艺流程、关键技术和施工过程的操作要点。

Steel tube arch skeleton segment integral hoisting construction has the advantages of simple process,easy quali-ty control,safety risk and less construction investment.Based on Nanning-kunming Railway Nanpanjiang Super Bridge main bridge steel pipe arch reinforced skeleton section integral hoisting,the paper expounds the designing scheme,process flow,key technology and the operation points.