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Seismic performance of skewed highway bridges using analytical fragility function methodology
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  • Journal title : Computers and Concrete
  • Volume 16, Issue 5,  2015, pp.723-740
  • Publisher : Techno-Press
  • DOI : 10.12989/cac.2015.16.5.723
 Title & Authors
Seismic performance of skewed highway bridges using analytical fragility function methodology
Bayat, M.; Daneshjoo, F.;
 Abstract
In this study, the seismic performance of skewed highway bridges has been assessed by using fragility function methodology. Incremental Dynamic Analysis (IDA) has been used to prepare complete information about the different damage states of a 30 degree skewed highway bridge. A three dimensional model of a skewed highway bridge is presented and incremental dynamic analysis has been applied. The details of the full nonlinear procedures have also been presented. Different spectral intensity measures are studied and the effects of the period on the fragility curves are shown in different figures. The efficiency, practicality and proficiency of these different spectral intensity measures are compared. A suite of 20 earthquake ground motions are considered for nonlinear time history analysis. It has been shown that, considering different intensity measures (IM) leads us to overestimate or low estimate the damage probability which has been discussed completely.
 Keywords
nonlinear time history analysis;fragility function methodology;intensity measures;
 Language
English
 Cited by
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Steel and Composite Structures, 2016. vol.21. 1, pp.93-107 crossref(new window)
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Seismic fragility curves for highly skewed highway bridges, Journal of Vibroengineering, 2017, 19, 4, 2749  crossref(new windwow)
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Closed-form fragility analysis of the steel moment resisting frames, Steel and Composite Structures, 2016, 21, 1, 93  crossref(new windwow)
3.
Multivariate probabilistic seismic demand model for the bridge multidimensional fragility analysis, KSCE Journal of Civil Engineering, 2018  crossref(new windwow)
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