广州报业项目1~#连廊罕遇地震性能分析

Performance-based Seismic Design of Guangzhou Newspaper Building 1~# Corridor

针对某连廊大跨度结构,总结了PERFORM-3D纤维模型建模分析过程和多频段地震波选取方法,并结合国内外性能化设计方法进行结构在罕遇地震下的性能评估,分析发现中间钢框架部位抗侧刚度明显弱于两侧剪力墙筒体,而结构层间位移角满足塑性限值要求,整个结构塑性耗能以水平杆件耗能为主,采取有效抗震措施后满足设定的性能要求。

For large span structures of one Corridor,this paper summarizes the PERFORM-3D fiber model analysis process and multi-band seismic wave selection method,ect. Evaluate the structure of the rare earthquake performance under the rare earthquake combined with domestic and international performance-based design approach. This study find that the steel frame significantly weaker than the wall cylinders on both sides,but the structure meets the plastic interlayer displacement angle displacement angle limit. The plastic energy level of this structure mainly concentrates in the horizontal rod member. Overall,by taking effective Seismic measures,the structure meets the set performance objectives and requirements.