钢结构采光穹顶无胎架安装技术

Installation Construction of Steel Daylighting Dome Without Jig

巴南万达广场采用无胎架形式安装钢结构采光穹顶,不搭设满堂脚手架,选择深化设计椭圆主梁构件,在其下部增设桁架以铺设脚手板作为操作架,吊装过程中采用圆心操作平台+高空分段吊装+中拼单元吊装安装法施工,形成钢结构采光穹顶无胎架安装施工技术。

Ba＇nan Wanda Plaza applies steel daylighting dome without jig to install,and it do not set up the full scaffold as auxiliary tool. the detailed design of the elliptical main beam member is chosen,and the trusses are added for laying scaffold board as the handling frame,and the hoisting process adopts the center operation platform ＋ high altitude section hoisting ＋ installation method of the unit assembly,which forms the installation construction of the steel daylighting dome without jig.