不规则自由曲面钢屋盖拼装技术  

ASSEMBLY TECHNIQUE FOR IRREGULAR FREE CAMBER STEEL ROOF

作　　者：郭峰[1] 付小敏[2] 闫世立 GUO Feng;FU Xiao-min;YAN Shi-li(Beijing Construction Engineering Group Co.,Ltd.,100055,Beijing,China;Beijing Mechanism Construction Co.,Ltd.,100045,Beijing,China)

机构地区：[1]北京建工集团有限责任公司,北京100055 [2]北京市机械施工有限公司,北京100045

出　　处：《建筑技术》2019年第9期1067-1069,共3页Architecture Technology

摘　　要：北京大兴国际机场航站楼指廊屋面采用网架与桁架组合结构,花园内庭院采用箱形柱斜向支撑结构,屋盖网架面积大、高度高,形成不规则自由曲面造型,施工中结合现场条件,采用地面胎架、楼面原位拼装、分段整体提升等方法避免了大量高空作业,确保了工程质量,降低了施工成本.The terminal building airside concourse roof of Beijing Daxing International Airport is of a grid and truss composite structure and the garden yard used box column oblique-supported structure. The roof grid is large and high, forming an irregular free camber shape. Site conditions were considered during construction and various measures were adopted, such as ground assembly jig, floor in-situ assembly and segmented whole lifting, etc., to avoid a large amount of work high above the ground, guarantee the engineering quality and reduce the construction cost.

关 键 词：胎架 原位拼装 整体提升 

分 类 号：TU74[建筑科学—建筑技术科学]