施工技术 2014年10月下 CONSTRUCTION TECHNOLOGY 第43卷第20期 DoI:10.7672/sgjs2014200014 天津嘉里中心酒店大跨度钢桁架安装滑移施工技术 高元仕,范围,王忠,路兰,于有为,黄勇 (中建一局集团建设发展有限公司,北京100102) 摘要]天津嘉里中心酒店大宴会厅屋顶布置6大跨度钢桁架。鉴于工程特点和施工难点,本工程钢桁架采用 滑移安装施工技术。重点介绍了履带式起重机行走路线,滑移轨道铺设桁架吊装滑移、就位、焊接、卸载等施工 工艺。指出桁架滑移过程中还需对桁架两端的混凝土梁进行实时监测,监测混凝土梁的下挠值、检查混凝土梁表 面是否有裂纹出现等。 关键词]钢结构;桁架;吊装;滑移;卸载;施工技术 中分类号]TU758 文献标识码]A 文章编号1002-8498(2014)20-0014-04 Large-span Steel Truss Installation Sliding Construction in Tianjin Jiali Center Hotel Gao Yuanshi ,Fan Wei ,Wang Zhong ,Lu Lan ,Yu Youwei ,Huang Yong China Construction First Group Construction Development Co ..Beijing 100102 ,China ) Abstract :Six large-span steel trusses set in Tianjin Jiali Center Hotel roof .Combining with the engineering characteristics and construction difficulties ,the sliding installation technology was used .The crawler crane rout ,sliding track layout ,and hoisting ,sliding ,location ,welding ,unloading of trusses were introduced in detail .It is pointed out that during sliding of the trusses ,the real time monitoring for concrete beam should be done ,which monitor the deflection of concrete beam and check the surface cracks .and so on . Key words :steel structures ;trusses ;...
天津嘉里中心酒店大跨度钢桁架安装滑移施工技术.pdf
