Improved modal pushover analysis based on two-stage loading pattern

被引：1
|
作者：
State Key Laboratory of Disaster Prevention in Civil Engineering, Research Institute of Structural Engineering and Disaster Reduction, Tongji University, Shanghai [1 ]
200092, China
不详 [2 ]
200092, China
机构：
来源：
Huanan Ligong Daxue Xuebao | / 7卷 / 57-67期
关键词：
Modal analysis - Seismic response - Elastoplasticity;
D O I：
10.3969/j.issn.1000-565X.2015.07.009
中图分类号：
学科分类号：
摘要：
On the basis of the modal pushover analysis (MPA) method, a method of improved modal pushover analysis (IMPA) is proposed. This method overcomes the shortcomings of the fixed loading patterns of the MPA (Modal Pushover Analysis) method, and its loading mechanisms before and after a structure yields are different. Then, by two examples, the IMPA method is compared with the MPA method in terms of roof displacement, inter-story drift angle and elasto-plastic time-history. The results show that the IMPA method is much more accurate than the MPA method when the two methods are used to estimate the structural seismic response. ©, 2015, South China University of Technology. All right reserved.
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