大悬挑空间倒三角桁架结构施工技术  

CONSTRUCTION TECHNIQUE FOR LARGE CANTILEVER SPACE UPSIDE-DOWN TRIANGULAR TRUSS STRUCTURE

作　　者：吕军强 常永强 LYU Jun-qiang;CHANG Yong-qiang(China Construction Steel Structure Co.,Ltd.,518040,Shenzhen,Guangdong,China)

机构地区：[1]中建科工集团有限公司,广东深圳518040

出　　处：《建筑技术》2020年第2期142-145,共4页Architecture Technology

摘　　要：山东省某体育馆钢罩棚采用大悬挑空间倒三角自平衡管桁架结构。在异型桁架安装过程中,对地面拼装、高空吊装、桁架精确定位及三维激光扫描检测、临时支撑体系砂箱卸载等采取了一系列技术措施,实现快速精确安装。Steel shed of a gymnasium in Shandong province adopted a large cantilever space upside-down triangular self-balancing tube truss structure.During installation of the specially-shaped truss,a series of technical measures were adopted for ground assembly,lifting,accurate positioning of truss,tri-dimensional laser scanning detection and sand box unloading of temporary support system,etc.,realizing fast and accurate installation.

关 键 词：大悬挑倒三角结构 双机抬吊 三维激光扫描 

分 类 号：TU74[建筑科学—建筑技术科学]