Title of article :
THE COMPARISION OF PROBABILISTIC SEISMIC DEMAND MODELS ESTIMATED THROUGH THE INCREMANTAL DYNAMIC ANALYSIS AND THE USE OF SCALED GROUND MOTION RECORDS
Author/Authors :
Mahdavi Adeli, M. amirkabir university of technology - Department of Civil Enviromental Engineering, تهران, ايران , Alinia, M. amirkabir university of technology - Department of Civil Enviromental Engineering, تهران, ايران , Deylami, A. amirkabir university of technology - Department of Civil Enviromental Engineering, تهران, ايران , Banazadeh, M. amirkabir university of technology - Department of Civil Enviromental Engineering, تهران, ايران
Abstract :
A reliable estimation of seismic demand is an essential part of recently developed performance based design engineering. In this estimation a Probabilistic Seismic Demand Model (PSDM) must be implemented to predict the mean value of the demand at the specific value of intensity measure parameter. In this paper it is tried to perform a comparison between the PSDMs which are obtained through the results of nonlinear dynamic analysis subjected to a set of scaled records with the models determined through the results of incremental dynamic analysis in order to find the proper value for the scale factor. The results show that model estimation using only a single scale factor is achievable in the case of 3 and 6-storey frames and for 9, 12 and 15-storey frames, the combination of scaled and un-scaled records can lead to reliable estimation of parameters.
Keywords :
Keywords: Probabilistic seismic demand model , nonlinear dynamic analysis , incremental dynamic analysis , scale factor , steel moment , resisting frame
Journal title :
Asian Journal of Civil Engineering (Building and Housing)
Journal title :
Asian Journal of Civil Engineering (Building and Housing)
