Assessment of modal pushover analysis procedure for seismic evaluation of buckling–restrained braced frames

2009 ◽  
Vol 2 (3) ◽  
pp. 174-186 ◽  
Author(s):  
Chatpan Chintanapakdee ◽  
An Hong Nguyen ◽  
Toshiro Hayashikawa
Keyword(s):  
Pushover Analysis ◽  
Analysis Procedure ◽  
Braced Frames ◽  
Seismic Evaluation ◽  
Modal Pushover Analysis ◽  
Buckling Restrained Braced Frames ◽  
Modal Pushover

Studies and Improvements on Modal Pushover Analysis and Application on Bridge

2010 ◽  
Vol 163-167 ◽  
pp. 4076-4082
Author(s):  
Ying Na Mu ◽  
Lei Shi ◽  
Zhe Zhang
Keyword(s):  
Seismic Response ◽  
Pushover Analysis ◽  
High Accuracy ◽  
Analysis Procedure ◽  
Bridge Structure ◽  
Higher Modes ◽  
Modal Pushover Analysis ◽  
Multi Mode ◽  
Inertia Forces ◽  
Modal Pushover

Because the traditional pushover analysis can not take the contributions of higher modes into account, To overcome this limitation, a modal pushover analysis procedure (MPA) is proposed by some researchers, which can involve the combination of multi-mode contributions to response. In this paper, much improvement on MPA procedure is made with consideration of the changes of seismic response after structural yielding and anew distribution of inertia forces. The method is verified by one example of bridge structure. It is concluded that the improvement part-sectionalized MPA presented in this paper has high accuracy.

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