2016年10月下 施工技术 第45卷第20期 CONSTRUCTION TECHNOLOGY 49 D0I:10.7672/5js2016200049 天津金融街(和平)中心一汇金中心塔冠施工技术 高元仕,王龙,张强 (中建一局集团建设发展有限公司,北京100102) [摘要]鉴于本工程的特点和施工难点,钢枪杆采用“钢绞线承重,液压千斤顶集群作业、计算机同步控制”安装施 工技术.重点介绍了提升平台设置,下吊点设置,拼装平台设置,液压同步系统控制,钢桅杆拼接、焊接、提升、卸载 等施工工艺.钢桅杆在提升过程中,实时监测提升点的钢梁挠度,提升完成后监测钢桅杆垂直度. [关键词]钢结构;钢桅杆;液压提升;卸载:检测;施工技术 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2016)20-0049-04 Tianjin Jinrongjie(Peace)Center—Huijin Center Tower Crown Construction Technology Gao Yuanshi Wang Long Zhang Qiang China Construction First Division Group Construction Development Co.Lad.Beijing 100102 China) Abstract:In view of the characteristics of the project and construction difficulties steel mast applies *steel wire bearing hydraulic jack cluster operation puter synchronous control’installation and construction technology.The lifting platform setting the setting of the lower lifting points the assembling platform setting the hydraulic synchronization system control and the steel mast joining welding lifting unloading and other construction techniques are mainly introduced.In the process of the steel mast ascension steel beam deflection in the lifting point is real-time monitored and the steel mast verticality is monitored after the pletion of lifting. Key words:steel structures;steel mast;hydraulic pressure promotion;unloading;testing;construction 1工程概况 天津金融街(和平)中心一汇金中心塔冠坐落 于结构主塔楼上,由塔冠和塔尖2部分组成.塔冠 分9层,标高为185.500~217.950m 枪杆长 54.9m 标高为208.050~262.950m.塔冠构件数量 约1000件,最大截面尺寸为口450×300×20;钢桅 杆为圆管柱,截面尺寸为1...
天津金融街(和平)中心-汇金中心塔冠施工技术.pdf
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