Studies and Improvements on Modal Pushover Analysis and Application on Bridge
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.
Y. N. Mu et al., "Studies and Improvements on Modal Pushover Analysis and Application on Bridge", Advanced Materials Research, Vols. 163-167, pp. 4076-4082, 2011