Probabilistic evaluation of seismic vulnerability of multi-span ‎bridges in north of Iran

Bridges are known as the most susceptible components of any and transportation system. That is why before the earthquake in vulnerability assessment, to take the necessary actions. The ‎generation of vulnerability functions in the form of fragility curves is a common approach for assessing bridges ‎...

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Autores principales:	Alireza Mirza Goltabar Roshan, Ali Naseri, Yaser Mahmoodi Pati
Formato:	article
Lenguaje:	FA
Publicado:	Iranian Society of Structrual Engineering (ISSE) 2018
Materias:	far-fault earthquake seismic damage assessment vulnerability of bridges fragility curve ‎nonlinear dynamic analysis Bridge engineering TG1-470 Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/3b9ef9e2f78443e499f8c0086745afcf
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spelling	oai:doaj.org-article:3b9ef9e2f78443e499f8c0086745afcf2021-11-08T15:47:59ZProbabilistic evaluation of seismic vulnerability of multi-span ‎bridges in north of Iran2476-39772538-261610.22065/jsce.2017.68948.1009https://doaj.org/article/3b9ef9e2f78443e499f8c0086745afcf2018-06-01T00:00:00Zhttps://www.jsce.ir/article_46674_f6c8a24c5ec0d06ec2b42550cb9cd1d5.pdfhttps://doaj.org/toc/2476-3977https://doaj.org/toc/2538-2616Bridges are known as the most susceptible components of any and transportation system. That is why before the earthquake in vulnerability assessment, to take the necessary actions. The ‎generation of vulnerability functions in the form of fragility curves is a common approach for assessing bridges ‎seismic vulnerability. The purpose of this study, Using an analytical method for the production of ‎fragility curves for a road bridge in Mazandaran Province. Since this curves used for planning before and after the ‎earthquake, and in order to increase the reliability of them, in this study we tried to use the most accurate analytical ‎methods (non-linear time history analysis) and most prestigious modeling assumptions. Due to the specific ‎characteristics of far fault earthquakes, effects of such earthquakes on bridges have been investigated using fragility ‎curves. Due to the geometry of the bridge for exact analysis, bridges was under 100 pairs of earthquake ‎records in orthogonal directions and fragility curves was drawn and then were compared. Observed that changing the diameter of the bridge piers affect how much on the. One of ‎the common simplifications used in modeling are: elimination of abutment and foundation and pile by fixing the ‎abutment and foundations in modeling. It can be seen that by eliminating this effect, increase the median values of ‎fragility and in fact to reduce probability of vulnerability in Charts. After time history analysis it was found that by ‎reducing the diameter of the piers, relative displacement (drift) in the longitudinal direction and in the transverse ‎direction increases.Alireza Mirza Goltabar RoshanAli NaseriYaser Mahmoodi PatiIranian Society of Structrual Engineering (ISSE)articlefar-fault earthquakeseismic damage assessmentvulnerability of bridgesfragility curve‎nonlinear dynamic analysisBridge engineeringTG1-470Building constructionTH1-9745FAJournal of Structural and Construction Engineering, Vol 5, Iss 1, Pp 36-54 (2018)
institution	DOAJ
collection	DOAJ
language	FA
topic	far-fault earthquake seismic damage assessment vulnerability of bridges fragility curve ‎nonlinear dynamic analysis Bridge engineering TG1-470 Building construction TH1-9745
spellingShingle	far-fault earthquake seismic damage assessment vulnerability of bridges fragility curve ‎nonlinear dynamic analysis Bridge engineering TG1-470 Building construction TH1-9745 Alireza Mirza Goltabar Roshan Ali Naseri Yaser Mahmoodi Pati Probabilistic evaluation of seismic vulnerability of multi-span ‎bridges in north of Iran
description	Bridges are known as the most susceptible components of any and transportation system. That is why before the earthquake in vulnerability assessment, to take the necessary actions. The ‎generation of vulnerability functions in the form of fragility curves is a common approach for assessing bridges ‎seismic vulnerability. The purpose of this study, Using an analytical method for the production of ‎fragility curves for a road bridge in Mazandaran Province. Since this curves used for planning before and after the ‎earthquake, and in order to increase the reliability of them, in this study we tried to use the most accurate analytical ‎methods (non-linear time history analysis) and most prestigious modeling assumptions. Due to the specific ‎characteristics of far fault earthquakes, effects of such earthquakes on bridges have been investigated using fragility ‎curves. Due to the geometry of the bridge for exact analysis, bridges was under 100 pairs of earthquake ‎records in orthogonal directions and fragility curves was drawn and then were compared. Observed that changing the diameter of the bridge piers affect how much on the. One of ‎the common simplifications used in modeling are: elimination of abutment and foundation and pile by fixing the ‎abutment and foundations in modeling. It can be seen that by eliminating this effect, increase the median values of ‎fragility and in fact to reduce probability of vulnerability in Charts. After time history analysis it was found that by ‎reducing the diameter of the piers, relative displacement (drift) in the longitudinal direction and in the transverse ‎direction increases.
format	article
author	Alireza Mirza Goltabar Roshan Ali Naseri Yaser Mahmoodi Pati
author_facet	Alireza Mirza Goltabar Roshan Ali Naseri Yaser Mahmoodi Pati
author_sort	Alireza Mirza Goltabar Roshan
title	Probabilistic evaluation of seismic vulnerability of multi-span ‎bridges in north of Iran
title_short	Probabilistic evaluation of seismic vulnerability of multi-span ‎bridges in north of Iran
title_full	Probabilistic evaluation of seismic vulnerability of multi-span ‎bridges in north of Iran
title_fullStr	Probabilistic evaluation of seismic vulnerability of multi-span ‎bridges in north of Iran
title_full_unstemmed	Probabilistic evaluation of seismic vulnerability of multi-span ‎bridges in north of Iran
title_sort	probabilistic evaluation of seismic vulnerability of multi-span ‎bridges in north of iran
publisher	Iranian Society of Structrual Engineering (ISSE)
publishDate	2018
url	https://doaj.org/article/3b9ef9e2f78443e499f8c0086745afcf
work_keys_str_mv	AT alirezamirzagoltabarroshan probabilisticevaluationofseismicvulnerabilityofmultispanbridgesinnorthofiran AT alinaseri probabilisticevaluationofseismicvulnerabilityofmultispanbridgesinnorthofiran AT yasermahmoodipati probabilisticevaluationofseismicvulnerabilityofmultispanbridgesinnorthofiran
_version_	1718441650954436608

Probabilistic evaluation of seismic vulnerability of multi-span ‎bridges in north of Iran

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