施工技术 2013年8月上 40 CONSTRUCTION TECHNOLOGY 第42卷第15期 D0I:10.7672/sgjs2013150040 海控国际广场超高空屋顶空间网架施工技术* 吕运星，陈曾2，张磊1，王永年 (1.中建钢构有限公司，广东深圳518040；2.天津生态城公屋建设有限公司，天津300000) [摘要]海控国际广场项目建筑高度249.7m 其结构标高213.700~249.700m为拱形空间异形网架结构.该部分 结构体系复杂，单拱最大跨度36.2m 最大高度36m 且处于超高空施工，受环境条件影响大，决定采用无胎架支撑 安装方法.通过对施工过程的模拟分析，证明该方法可行，并将施工监测数据与施工模拟结构进行对比分析，及时 ，保证施工安全性.对比实施方案证明无胎架施工减少了施工措施投入，施工更加经济、快捷. [关键词]高层建筑；空间网架；有限元分析；施工技术 [中图分类号]TU758.11 [文献标识码]A [文章编号]1002-8498(2013)15-0040-04 Construction Technology of Spacial Grid Structure at High-altitude Roof in HNA International Plaza LǚYunxing' Chen Ceng2 Zhang Lei' Wang Yongnian' (1.China Construction Steel Structure Co.Ltd.Shenzhen Guangdong 518040 China; 2.Tianjin Eco-city Housing Construction Co.Lid.Tianjin 300000 China) Abstract:The HNA International Plaza is 249.7m at height.The spacial arch-shaped grid structure locates at structural elevation of 213.700 ~249.700m.The grid structure is plex.The maxmum single-arch span is 36.2m and the maximum arch height is 36m.The grid structure is constructed at super-high altitude and influenced by enviromental conditions so the structure will be installed by method of no supporting frame.Finite element analysis is done to calculate the construction process.By paring calculating and monitoring results the method is feasible and the construction safety is ensured.The paring scheme shows that the construction methods without supporting forms reduce the construction measure investment and the construction is co...
海控国际广场超高空屋顶空间网架施工技术.pdf
