2011年7月下 施工技术 第40卷第345期 CONSTRUCTION TECHNOLOGY 19 深圳证券交易所营运中心超长悬挑钢结构整体 卸载及同步监测技术 王朝阳,陈治,杨松,程鹏,程建勇 (中建钢构有限公司,广东深圳518040) [摘要]深圳证券交易所营运中心抬升裙楼采用超长巨型悬挑钢桁架结构体系,桁架下弦距地面36m 由6类14榴 巨型钢桁架构成,悬挑22m 是世界上最大的空中花园.施工过程中,钢结构卸载是关键.结合超长悬挑裙楼钢结 构卸载,详细介绍了卸载工艺,并总结卸载过程中结构的监测重点和监测方法.指出卸载过程中同步监测的必要 性和重要性. [关键词]钢结构;抬升裙楼;卸载;同步监测 [中图分类号]TU758.15 [文献标识码]A [文章编号]1002-8498(2011)14-0019-04 Integral Unloading and Synchronous Monitoring Technology of Super-long Cantilever Steel Structure in Trading Center of Shenzhen Stock Exchange Wang Chaoyang Chen Zhi Yang Song Cheng Peng Cheng Jianyong China Construction Steel Structure Co.Ltd.Shenzhen Guangdong 518040 China) Abstract:The podium of Trading Center of Shenzhen Stock Exchange project is super-long cantilever steel truss structure.The bottom chord of the cantilever part is 36 meters from ground.The podium is posite of 6 categories 14 giant steel trusses the cantilever length is 22 meters which is the largest sky garden in the world.During construction the unloading process of the steel structure is the key.The authors introduce the unloading technology of the structure and the key monitoring method during the unloading.The authors point out the important and necessary of synchronous monitoring during the unloading process. Key words:steel structure;uplifted podium;unloading;synchronous monitoring 1工程概况 监测.裙楼钢结构安装完成如图1所示. 深圳证券交易所营运中心抬升裙楼,采用超长 巨型悬挑钢桁架结构体系,桁架下弦距地面约36m 由6类14福巨型钢桁架构成,平面尺寸东西长 162m 悬挑36m 南北宽98m 悬挑22m 是世界上最 大的空中花园.整个抬升裙楼用钢量约2.8万t 悬 挑部分重9400多t. 裙...
深圳证券交易所营运中心超长悬挑钢结构整体卸载及同步监测技术.pdf
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