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中投证券大厦楼盖通过吊杆悬挂于转换桁架的下面,转换桁架支承于两端的框架柱或剪力墙上,应避免桁架或吊杆失效导致结构发生大面积的倒塌。大厦数据机房屋面以下结构安全等级为一级,根据高规的要求,也须对主体结构进行防连续倒塌的概念设计,并进行防连续倒塌分析。文章对中投证券大厦悬吊楼盖抗连续倒塌分析进行了介绍。
The floor of the CIC Securities Building is suspended from below the conversion truss by a suspender, and the conversion truss is supported on the frame columns or shear walls at both ends. The failure of the truss or boom to prevent the structure from collapsing over a large area should be avoided. The security level of the building below the building’s data plane is one level. According to the requirements of the high-level regulations, the main structure must also be conceptually designed to prevent continuous collapse, and a continuous collapse prevention analysis should be conducted. The article introduced the analysis of the continuous collapse of the suspended floor of the Zhongtou Securities Building.