Experimental Investigation of Deficient RC Frames Retrofitted by RSFJ-Toggle Bracing Systems

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aut.relation.articlenumber105646
aut.relation.endpage105646
aut.relation.journalStructures
aut.relation.startpage105646
aut.relation.volume58
dc.contributor.authorVeismoradi, Sajad
dc.contributor.authorYousef-beik, Seyed Mohamad Mahdi
dc.contributor.authorZarnani, Pouyan
dc.contributor.authorQuenneville, Pierre
dc.date.accessioned2024-01-10T00:04:25Z
dc.date.available2024-01-10T00:04:25Z
dc.date.issued2023-12-01
dc.description.abstractThis paper investigates the performance of the new retrofitting system, consisting of self-centreing damper resilient slip friction joint (RSFJ)-toggle bracing system. The RSFJ-toggle bracing system can be activated within small drift values of the frame and preserve the frame from excessive damage. Two scaled deficient RC frames representing typical pre-1970s RC moment resisting frames were constructed and tested to investigate the performance of such retrofitting system. Material testing of the concrete and steel rebars as well as the damper component testing were conducted and recommendations regarding the proper design of various aspects of this retrofitting system were provided. The experimental observations demonstrate the improved behaviour of the frame in terms of energy dissipation and enhanced stiffness and strength for the upgraded RC frame. As per the findings of this study, the proposed retrofit solution can strengthen the frames within a limited drift and improve the frame’s damping with a repeatable semi-flag shape hysteresis performance.
dc.identifier.citationStructures, ISSN: 2352-0124 (Print), Elsevier BV, 58, 105646-105646. doi: 10.1016/j.istruc.2023.105646
dc.identifier.doi10.1016/j.istruc.2023.105646
dc.identifier.issn2352-0124
dc.identifier.urihttp://hdl.handle.net/10292/17089
dc.languageen
dc.publisherElsevier BV
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S2352012423017344
dc.rights© 2023 The Author(s). Published by Elsevier Ltd on behalf of Institution of Structural Engineers. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
dc.rights.accessrightsOpenAccess
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subject4005 Civil Engineering
dc.subject40 Engineering
dc.subject0905 Civil Engineering
dc.subject1202 Building
dc.subject4005 Civil engineering
dc.titleExperimental Investigation of Deficient RC Frames Retrofitted by RSFJ-Toggle Bracing Systems
dc.typeJournal Article
pubs.elements-id532193
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