摘要
针对长沙机场T3航站楼工程,研究了C指廊扩大头网架总体施工思路、(楼)地面拼装方案、施工段划分方案、提升点布置方案、悬挑网架分块吊装措施、吊装索具选择、提升拔杆设计方案等.施工段一、施工段二、施工段三网架分别通过在地面、+8.300 m楼面及+14.900 m楼面,采用由中间向两边进行拼装.施工段一采取分块吊装,与施工段二网架对接并整体提升的施工工艺.结果表明能较好协调现场多工序穿插的问题,提高了现场施工效率.
Abstract
For the T3 terminal project of Changsha Airport,the overall construction idea of C finger gallery,the floor assembly scheme,the division scheme of construction section,the layout scheme of lifting point,the lifting measures of cantilever grid,the selection of lifting cable,and the design scheme of lifting rod are studied.The first,second and third grids of the construction section are assembled from the middle to both sides through the ground,+8.300 m floor and+14.900 m floor respectively.The construction technology of the construction section is lifted by block,and the second frame of the construction section and the overall improvement.The results show that it can coordinate the problems of multiple processes and improve the site construction efficiency.
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