Evaluation of Slit Steel Damper & Reduced Beam Section Connections Under Cyclic Loading

One of the drawbacks of the mentioned connections after Northridge and kobe earthquakes was the destruction of beam after earthquake, difficulty and non economical displacement of the beam. Several studies are being carried out on a variety of materials and systems that dissipate the seismic loading...

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Autores principales:	Masoud Zabihi Samani, Mohammad Hossein Abed Ebrahimi, payam tarighi
Formato:	article
Lenguaje:	FA
Publicado:	Iranian Society of Structrual Engineering (ISSE) 2019
Materias:	slit steel damper reduced beam section cyclic loading special moment frame steel structure Bridge engineering TG1-470 Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/033f528a598c41c8afa94e7280732e0f
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spelling	oai:doaj.org-article:033f528a598c41c8afa94e7280732e0f2021-11-08T15:52:14ZEvaluation of Slit Steel Damper & Reduced Beam Section Connections Under Cyclic Loading2476-39772538-261610.22065/jsce.2017.98867.1329https://doaj.org/article/033f528a598c41c8afa94e7280732e0f2019-08-01T00:00:00Zhttps://www.jsce.ir/article_54366_17835f5f48f0780ac218238a0efcc64e.pdfhttps://doaj.org/toc/2476-3977https://doaj.org/toc/2538-2616One of the drawbacks of the mentioned connections after Northridge and kobe earthquakes was the destruction of beam after earthquake, difficulty and non economical displacement of the beam. Several studies are being carried out on a variety of materials and systems that dissipate the seismic loading effects in order to improve the seismic performance of steel frames. By placing dampers in the beam column connections, damage to the beams and columns, which are very difficult to replace after an earthquake, was prevented during an earthquake. During the design process of dampers, in order to concentrate the earthquake loads on the damper, it was manufactured intentionally with a lower strength than the beams and columns. Through this, beams and columns are protected from damage by utilizing the energy absorption capacity of the damper. Slit damper is a plate or a standard section with a number of slits in the web. The damper is attached to the beam by bolting a plate on the damper under the flange of the beam. In this study first compared slit steel damper connection and connection with the reduced beam section (RBS) under cyclic loading. Some suggestions were provided for improvement of the performance of slit steel damper connection and for making its behavior similar to that of reduced beam section connection and transforming it to a connection which can be used in the special bending frame; and these suggestions include increase in the thickness and number of stripe and decrease in the height. the results and simulations showed that increasing in the number of strips, the increase in thickness and decrease in the height of the SSD damper affects significantly the performance of SSD connection.Masoud Zabihi SamaniMohammad Hossein Abed Ebrahimipayam tarighiIranian Society of Structrual Engineering (ISSE)articleslit steel damperreduced beam sectioncyclic loadingspecial moment framesteel structureBridge engineeringTG1-470Building constructionTH1-9745FAJournal of Structural and Construction Engineering, Vol 6, Iss شماره 2, Pp 209-222 (2019)
institution	DOAJ
collection	DOAJ
language	FA
topic	slit steel damper reduced beam section cyclic loading special moment frame steel structure Bridge engineering TG1-470 Building construction TH1-9745
spellingShingle	slit steel damper reduced beam section cyclic loading special moment frame steel structure Bridge engineering TG1-470 Building construction TH1-9745 Masoud Zabihi Samani Mohammad Hossein Abed Ebrahimi payam tarighi Evaluation of Slit Steel Damper & Reduced Beam Section Connections Under Cyclic Loading
description	One of the drawbacks of the mentioned connections after Northridge and kobe earthquakes was the destruction of beam after earthquake, difficulty and non economical displacement of the beam. Several studies are being carried out on a variety of materials and systems that dissipate the seismic loading effects in order to improve the seismic performance of steel frames. By placing dampers in the beam column connections, damage to the beams and columns, which are very difficult to replace after an earthquake, was prevented during an earthquake. During the design process of dampers, in order to concentrate the earthquake loads on the damper, it was manufactured intentionally with a lower strength than the beams and columns. Through this, beams and columns are protected from damage by utilizing the energy absorption capacity of the damper. Slit damper is a plate or a standard section with a number of slits in the web. The damper is attached to the beam by bolting a plate on the damper under the flange of the beam. In this study first compared slit steel damper connection and connection with the reduced beam section (RBS) under cyclic loading. Some suggestions were provided for improvement of the performance of slit steel damper connection and for making its behavior similar to that of reduced beam section connection and transforming it to a connection which can be used in the special bending frame; and these suggestions include increase in the thickness and number of stripe and decrease in the height. the results and simulations showed that increasing in the number of strips, the increase in thickness and decrease in the height of the SSD damper affects significantly the performance of SSD connection.
format	article
author	Masoud Zabihi Samani Mohammad Hossein Abed Ebrahimi payam tarighi
author_facet	Masoud Zabihi Samani Mohammad Hossein Abed Ebrahimi payam tarighi
author_sort	Masoud Zabihi Samani
title	Evaluation of Slit Steel Damper & Reduced Beam Section Connections Under Cyclic Loading
title_short	Evaluation of Slit Steel Damper & Reduced Beam Section Connections Under Cyclic Loading
title_full	Evaluation of Slit Steel Damper & Reduced Beam Section Connections Under Cyclic Loading
title_fullStr	Evaluation of Slit Steel Damper & Reduced Beam Section Connections Under Cyclic Loading
title_full_unstemmed	Evaluation of Slit Steel Damper & Reduced Beam Section Connections Under Cyclic Loading
title_sort	evaluation of slit steel damper & reduced beam section connections under cyclic loading
publisher	Iranian Society of Structrual Engineering (ISSE)
publishDate	2019
url	https://doaj.org/article/033f528a598c41c8afa94e7280732e0f
work_keys_str_mv	AT masoudzabihisamani evaluationofslitsteeldamperreducedbeamsectionconnectionsundercyclicloading AT mohammadhosseinabedebrahimi evaluationofslitsteeldamperreducedbeamsectionconnectionsundercyclicloading AT payamtarighi evaluationofslitsteeldamperreducedbeamsectionconnectionsundercyclicloading
_version_	1718441629900079104

Evaluation of Slit Steel Damper & Reduced Beam Section Connections Under Cyclic Loading

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