某超高层剪力墙高位连体结构抗震性能分析

Seismic performance analysis of a super high-rise shear wall structure with high-position connected structure

详细介绍了某超高层剪力墙高位连体结构的抗震性能分析,根据工程特点及超限情况,对竖向构件及连接体关键节点提出抗震性能化设计,并考虑竖向地震作用,对整体结构采用中震弹性及中震不屈服设计。在进行多遇地震分析时,采用YJK与SATWE两种软件进行计算,结果表明,结构的周期合理,满足高规的各项规定。采用MIDAS/Building进行动力弹塑性分析,研究连接体部位对结构力学性能的影响及剪力墙高位连体结构的破坏机制;并采用ANSYS对连接节点进行有限元分析,结果表明,该连接节点能满足性能化设计目标,最后论证了刚性连接体在超高层剪力墙结构体系中应用的可行性。

The seismic performance analysis of a super high-rise shear wall structure with high-position connected structure was introduced in detail.Based on the engineering characteristics and out-of-code conditions,the performance-based seismic design was proposed for the vertical members and key connectors of members.For the whole structure,considering vertical seismic action,elastic and non-yielding designs under fortification earthquake were conducted.In the case of frequent earthquake analysis,YJK and SATWE were used to calculate the results.The results show that the vibration cycle of the structure is reasonable and meets the regulations of the code.The dynamic elastic-plastic analysis was carried out with MIDAS/Building to study the influence of the connector body on the mechanical properties of the structure and the failure mechanism of the shear wall structure with high-position connected structure.The ANSYS was used to conduct finite element analysis of the connection node.The results show that the connection node could satisfy performance design goals,and finally the structural feasibility of rigid connectors in the super high-rise shear wall structural system is demonstrated.