Design and Testing of a Self-Centering Friction Damper-Brace for Compression Ultimate Limit State: Inelastic Buckling

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aut.relation.articlenumber106166
aut.relation.endpage106166
aut.relation.journalStructures
aut.relation.startpage106166
aut.relation.volume62
dc.contributor.authorYousef-beik, SMM
dc.contributor.authorVeismoradi, S
dc.contributor.authorZarnani, P
dc.contributor.authorQuenneville, P
dc.date.accessioned2024-03-18T23:29:10Z
dc.date.available2024-03-18T23:29:10Z
dc.date.issued2024-04-01
dc.description.abstractThis paper investigates the design procedures and experimental testing of a low-damage brace equipped self-centering friction-based connection named Resilient Slip friction Joint (RSFJ). The brace energy dissipation and restoring force is provided by the damper component. Previous studies have shown that the damper ultimate compression strength might be jeopardized due to damper rotational flexibility, which might lead to premature elastic buckling of the brace. To address the issue, a concept of telescopic tubes was introduced to be put in parallel to the damper(s). The design of the telescopic tube requires a thorough framework that considers different possible failure loads and the collapse modes, so that the brace ultimate strength can be accurately estimated. Such a process tends to be more complex than the conventional Concentrically Braced Frames (CBFs), due to the non-continuity(ies) appearing as damper installation which may lead to possible plastic hinge formation in different locations of the brace. This study aims to employ second-order plastic analysis for the design of the damper-brace assembly. The proposed method is, is then validated with current international codes’ procedure and also with destructive tests on the self-centring brace specimens. Finally, the seismic design considerations including the design of the connections and protected members are discussed in this paper. The current procedure could also be recruited for other new emerging damper-braces as well.
dc.identifier.citationStructures, ISSN: 2352-0124 (Print); 2352-0124 (Online), Elsevier BV, 62, 106166-106166. doi: 10.1016/j.istruc.2024.106166
dc.identifier.doi10.1016/j.istruc.2024.106166
dc.identifier.issn2352-0124
dc.identifier.issn2352-0124
dc.identifier.urihttp://hdl.handle.net/10292/17339
dc.languageen
dc.publisherElsevier BV
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S2352012424003187
dc.rights© 2024 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.titleDesign and Testing of a Self-Centering Friction Damper-Brace for Compression Ultimate Limit State: Inelastic Buckling
dc.typeJournal Article
pubs.elements-id541956
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