Assessment of the Effect of Redundancy Factor for Seismic Performance of Moment Resisting Reinforced Concrete Buildings

The redundancy factor is applied to increase the redundancy of structures that not had a sufficient degree of static indeterminacy in many international standards. The redundancy factor is different in the design standards. In the fourth edition of the standard No. 2800, the redundancy factor is pro...

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Autores principales:	Amin Ghannadiasl, saeed Mortazavi
Formato:	article
Lenguaje:	FA
Publicado:	Iranian Society of Structrual Engineering (ISSE) 2019
Materias:	nonlinear analysis redundancy factor seismic performance moment resisting frames standard no. 2800 Bridge engineering TG1-470 Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/5bc68be653ba4a3490bcc6343cf0a53b
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spelling	oai:doaj.org-article:5bc68be653ba4a3490bcc6343cf0a53b2021-11-08T15:52:34ZAssessment of the Effect of Redundancy Factor for Seismic Performance of Moment Resisting Reinforced Concrete Buildings2476-39772538-261610.22065/jsce.2017.95567.1295https://doaj.org/article/5bc68be653ba4a3490bcc6343cf0a53b2019-06-01T00:00:00Zhttps://www.jsce.ir/article_54364_191f8385e825757f485a46202cc84362.pdfhttps://doaj.org/toc/2476-3977https://doaj.org/toc/2538-2616The redundancy factor is applied to increase the redundancy of structures that not had a sufficient degree of static indeterminacy in many international standards. The redundancy factor is different in the design standards. In the fourth edition of the standard No. 2800, the redundancy factor is proposed to improve the seismic performance of buildings that are considered with two values 1 and 1.2. Therefore, the base shear can be increased to a maximum of 20%, according to the standard No. 2800. In this paper, the effect of the redundancy factor on the seismic performance of the moment resisting concrete structures is investigated using nonlinear static analysis. Also, the numerical evaluation of the value provided by the standard No. 2800 for the redundancy factor is assessed. The studied models have 4, 6 and 8 stories with a story height h=3.2 m where 1, 2, 3 or 4 bays have to be located. ETABS software used for modeling and analysis. Then, the performance of the structures is evaluated by applying once a redundancy factor 1 and again the redundancy factor 1.2. Based on the results of this research, it can be concluded that it is justified to account directly structural redundancy in the design by using a redundancy factor, as proposed in some international building codes.Amin Ghannadiaslsaeed MortazaviIranian Society of Structrual Engineering (ISSE)articlenonlinear analysisredundancy factorseismic performancemoment resisting framesstandard no. 2800Bridge engineeringTG1-470Building constructionTH1-9745FAJournal of Structural and Construction Engineering, Vol 6, Iss شماره ویژه 1, Pp 199-216 (2019)
institution	DOAJ
collection	DOAJ
language	FA
topic	nonlinear analysis redundancy factor seismic performance moment resisting frames standard no. 2800 Bridge engineering TG1-470 Building construction TH1-9745
spellingShingle	nonlinear analysis redundancy factor seismic performance moment resisting frames standard no. 2800 Bridge engineering TG1-470 Building construction TH1-9745 Amin Ghannadiasl saeed Mortazavi Assessment of the Effect of Redundancy Factor for Seismic Performance of Moment Resisting Reinforced Concrete Buildings
description	The redundancy factor is applied to increase the redundancy of structures that not had a sufficient degree of static indeterminacy in many international standards. The redundancy factor is different in the design standards. In the fourth edition of the standard No. 2800, the redundancy factor is proposed to improve the seismic performance of buildings that are considered with two values 1 and 1.2. Therefore, the base shear can be increased to a maximum of 20%, according to the standard No. 2800. In this paper, the effect of the redundancy factor on the seismic performance of the moment resisting concrete structures is investigated using nonlinear static analysis. Also, the numerical evaluation of the value provided by the standard No. 2800 for the redundancy factor is assessed. The studied models have 4, 6 and 8 stories with a story height h=3.2 m where 1, 2, 3 or 4 bays have to be located. ETABS software used for modeling and analysis. Then, the performance of the structures is evaluated by applying once a redundancy factor 1 and again the redundancy factor 1.2. Based on the results of this research, it can be concluded that it is justified to account directly structural redundancy in the design by using a redundancy factor, as proposed in some international building codes.
format	article
author	Amin Ghannadiasl saeed Mortazavi
author_facet	Amin Ghannadiasl saeed Mortazavi
author_sort	Amin Ghannadiasl
title	Assessment of the Effect of Redundancy Factor for Seismic Performance of Moment Resisting Reinforced Concrete Buildings
title_short	Assessment of the Effect of Redundancy Factor for Seismic Performance of Moment Resisting Reinforced Concrete Buildings
title_full	Assessment of the Effect of Redundancy Factor for Seismic Performance of Moment Resisting Reinforced Concrete Buildings
title_fullStr	Assessment of the Effect of Redundancy Factor for Seismic Performance of Moment Resisting Reinforced Concrete Buildings
title_full_unstemmed	Assessment of the Effect of Redundancy Factor for Seismic Performance of Moment Resisting Reinforced Concrete Buildings
title_sort	assessment of the effect of redundancy factor for seismic performance of moment resisting reinforced concrete buildings
publisher	Iranian Society of Structrual Engineering (ISSE)
publishDate	2019
url	https://doaj.org/article/5bc68be653ba4a3490bcc6343cf0a53b
work_keys_str_mv	AT aminghannadiasl assessmentoftheeffectofredundancyfactorforseismicperformanceofmomentresistingreinforcedconcretebuildings AT saeedmortazavi assessmentoftheeffectofredundancyfactorforseismicperformanceofmomentresistingreinforcedconcretebuildings
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Assessment of the Effect of Redundancy Factor for Seismic Performance of Moment Resisting Reinforced Concrete Buildings

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