Effect of Interaction and Rocking Motion on The Earthquake Response of Buildings

Usually structures are designed under codes based on the assumption that the soil stiffness is infinite, so the foundation rests firmly on the soil. In many cases, the overturning moment due to the lateral forces may exceed the resisting moment due to the gravity forces. Thus, this may cause a found...

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Autores principales:	Gholamreza Havaei, Ehsan Mobedi
Formato:	article
Lenguaje:	FA
Publicado:	Iranian Society of Structrual Engineering (ISSE) 2015
Materias:	rocking motion interaction yielding base plate dynamic analysis finite element Bridge engineering TG1-470 Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/6e2fb97b64da44a98abde6e3bddb9c60
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spelling	oai:doaj.org-article:6e2fb97b64da44a98abde6e3bddb9c602021-11-08T15:44:44ZEffect of Interaction and Rocking Motion on The Earthquake Response of Buildings2476-39772538-261610.22065/jsce.2015.38598https://doaj.org/article/6e2fb97b64da44a98abde6e3bddb9c602015-03-01T00:00:00Zhttps://www.jsce.ir/article_38598_a2ab57a535b65ad9f15497266dce7a4c.pdfhttps://doaj.org/toc/2476-3977https://doaj.org/toc/2538-2616Usually structures are designed under codes based on the assumption that the soil stiffness is infinite, so the foundation rests firmly on the soil. In many cases, the overturning moment due to the lateral forces may exceed the resisting moment due to the gravity forces. Thus, this may cause a foundation uplift because in reality the soil stiffness is not infinite and the structure stands up under gravity forces. The phenomenon of foundation uplifting and its impact on the soil are known as the rocking motion.This study investigates the influence of the rocking motion and interaction by the yielding base plates on the nonlinear behavior of steel structures under dynamic analysis. More specifically, Three- five and seven -storied structuresare designed with ordinary ductility, then the structuresare analyzed in rigid and deformable base plate cases with using the ABAQUS software.The results show that the rocking motion and Interaction decrease the response of buildings such as the base shear, the axial force of columns and the strain energy but also increase the natural period.Gholamreza HavaeiEhsan MobediIranian Society of Structrual Engineering (ISSE)articlerocking motioninteractionyielding base platedynamic analysisfinite elementBridge engineeringTG1-470Building constructionTH1-9745FAJournal of Structural and Construction Engineering, Vol 1, Iss 1, Pp 39-49 (2015)
institution	DOAJ
collection	DOAJ
language	FA
topic	rocking motion interaction yielding base plate dynamic analysis finite element Bridge engineering TG1-470 Building construction TH1-9745
spellingShingle	rocking motion interaction yielding base plate dynamic analysis finite element Bridge engineering TG1-470 Building construction TH1-9745 Gholamreza Havaei Ehsan Mobedi Effect of Interaction and Rocking Motion on The Earthquake Response of Buildings
description	Usually structures are designed under codes based on the assumption that the soil stiffness is infinite, so the foundation rests firmly on the soil. In many cases, the overturning moment due to the lateral forces may exceed the resisting moment due to the gravity forces. Thus, this may cause a foundation uplift because in reality the soil stiffness is not infinite and the structure stands up under gravity forces. The phenomenon of foundation uplifting and its impact on the soil are known as the rocking motion.This study investigates the influence of the rocking motion and interaction by the yielding base plates on the nonlinear behavior of steel structures under dynamic analysis. More specifically, Three- five and seven -storied structuresare designed with ordinary ductility, then the structuresare analyzed in rigid and deformable base plate cases with using the ABAQUS software.The results show that the rocking motion and Interaction decrease the response of buildings such as the base shear, the axial force of columns and the strain energy but also increase the natural period.
format	article
author	Gholamreza Havaei Ehsan Mobedi
author_facet	Gholamreza Havaei Ehsan Mobedi
author_sort	Gholamreza Havaei
title	Effect of Interaction and Rocking Motion on The Earthquake Response of Buildings
title_short	Effect of Interaction and Rocking Motion on The Earthquake Response of Buildings
title_full	Effect of Interaction and Rocking Motion on The Earthquake Response of Buildings
title_fullStr	Effect of Interaction and Rocking Motion on The Earthquake Response of Buildings
title_full_unstemmed	Effect of Interaction and Rocking Motion on The Earthquake Response of Buildings
title_sort	effect of interaction and rocking motion on the earthquake response of buildings
publisher	Iranian Society of Structrual Engineering (ISSE)
publishDate	2015
url	https://doaj.org/article/6e2fb97b64da44a98abde6e3bddb9c60
work_keys_str_mv	AT gholamrezahavaei effectofinteractionandrockingmotionontheearthquakeresponseofbuildings AT ehsanmobedi effectofinteractionandrockingmotionontheearthquakeresponseofbuildings
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Effect of Interaction and Rocking Motion on The Earthquake Response of Buildings

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