苏州丰隆中心T2塔楼框支转换层结构设计  

Structural design of frame supported transfer story of T2 tower of Suzhou Hongleong Center

作　　者：钱忠磊[1,2] 袁雪芬 张杜 郑履云 QIAN Zhonglei;YUAN Xuefen;ZHANG Du;ZHENG Lüyun(School of Civil Engineering,Southeast University,Nanjing 210096,China;Tus-Design Group Co.,Ltd.,Suzhou 215021,China)

机构地区：[1]东南大学土木工程学院,南京210096 [2]启迪设计集团股份有限公司,苏州215021

出　　处：《建筑结构》2022年第7期86-91,共6页Building Structure

摘　　要：苏州丰隆中心T2塔楼是平面及竖向均不规则的复杂高层建筑,采用框支剪力墙结构体系。通过对主体结构进行小震、大震作用下的计算分析及性能化设计,以及采用ABAQUS对转换框架进行有限元分析,重点介绍了转换层等效剪切刚度比控制原则和措施。分析结果表明,将转换层上的设备转换层做成二次结构,可以有效控制剪切刚度比。对由主次转换梁共同支承上部结构的复杂转换结构提出建议:应加强转换框架的箍筋、受扭钢筋;当转换层上部结构层数较多、荷载较大时,转换框架在大震作用下的抗剪应考虑混凝土开裂后全部由箍筋和型钢来承担。T2 tower of Suzhou Hongleong Center is a complex high-rise building with irregular plane and vertical structure,adopting frame-supported shear wall structure system.Through the calculation analysis and performance design of the main structure under the action of small and large earthquakes,and the finite element analysis of the conversion frame by ABAQUS,the control principle and measures of equivalent shear stiffness ratio of the conversion layer were introduced emphatically.The analysis results show that the shear stiffness ratio can be effectively controlled by making the equipment transfer layer above the transfer layer into a secondary structure.For the complex transfer structure supported by the primary and secondary transfer beams,it is suggested that the stirrups and torsion bars of the transfer frame should be strengthened;when the transfer layer superstructure has more floors and loads,the shear strength of the transfer frame should be assumed by stirrups and section steel after the cracking of concrete.

关 键 词：复杂高层结构 转换结构 框支剪力墙结构 有限元分析 

分 类 号：TU398.7[建筑科学—结构工程]