南阳南站大跨钢桁架累积提升施工技术

Construction Technology of Long Span Steel Truss Cumulative Lifting in Nanyang South Railway Station

结合南阳南站大跨屋盖桁架整体施工方案选取、提升施工方案制订,介绍了大跨钢结构屋盖桁架整体施工方案优选、提升施工方案设计。通过重点介绍大跨屋盖桁架累积提升各类提升上吊点设计、下吊点设计及其适用性,为其他大跨钢结构施工提供了参考。

Based on the selection of the overall construction scheme of the large-span roof truss of Nanyang south station and the formulation of the lifting construction scheme,this paper introduces the optimization of the overall construction scheme of the largespan steel structure roof truss and the design of the lifting construction scheme.This paper mainly introduces the design and applicability of the upper lifting point and the lower lifting point of the long-span roof truss cumulative lifting,which provides a reference for the construction of other large-span steel structures.