华润总部大厦超长春笋状双层网格预应力拉杆塔冠安装技术.pdf

塔式起重机,建筑,春笋,环梁,西北,长春,预应力,学术文献
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2016年10月下 施工技术 第45卷第20期 CONSTRUCTION TECHNOLOGY 53 D0I:10.7672/5js2016200053 华润总部大厦超长春笋状双层网格预应力拉杆 塔冠安装技术 郭应林,陈凯,张健康,许超 (中建三局集团有限公司南方公司,广东深圳518000) [摘要]华润总部大厦塔冠为双层网格结构,结构形式由外框柱、8道水平桁架、预应力拉杆组成.塔冠安装采用地 面拼装和高空原位安装2种方式.安装过程复杂,涉及到塔冠胎架安装、预留穿塔冠塔式起重机支撑处理,塔冠安 装过程中几种塔式起重机的拆除与转换,后期钢拉杆张拉顺序、施工工艺等较复杂技术工艺.通过华润总部大厦 塔冠安装,对超高层春笋状双层网格预应力拉杆塔冠安装施工技术进行研究. [关键词]安装工程:双层网格;预应力;拉杆;塔冠;安装:施工技术 [中图分类号]TU974 [文献标识码]A[文章编号]1002-8498(2016)20-0053-05 Installation Technology of Super-long Bamboo Shoot Double Deck Grid Prestressed Pull Rod Tower Crown in Huarn Headquarters Building Guo Yinglin Chen Kai Zhang Jiankang Xu Chao China Construction Third Engineering Bureau Co.Lid.South Branch Shenzhen Guangdong 518000 China) Abstract:Huarun headquarters building tower crown is the double grid structure whose frame structures consist of the outside frame columns eight horizontal trusses prestressed pull rods.The installation of the tower crown applies two ways of assembly on the ground and high altitude in-situ installation.The installation process is plex involving the tower crown bracket installation reserved tower crane tower crown in supporting treatment removal and transformation of several the tower crane tower in the installation process the late steel rod tension sequence and construction technology of plex technology.Through the installation of Huarun headquarters building tower crownn double grid shaped prestressed rod spring tower installation and construction technology are studied. Key words:instal...

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