Development and experimental validation of finite element models for a prestressed lead extrusion damper

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dc.authorscopusid57223819843
dc.authorscopusid57195555499
dc.authorscopusid56044898600
dc.authorscopusid55607011600
dc.contributor.authorÇalım, F.
dc.contributor.authorGüllü, A.
dc.contributor.authorSoydan, Cihan
dc.contributor.authorYüksel, E.
dc.date.accessioned2023-05-06T17:19:40Z
dc.date.available2023-05-06T17:19:40Z
dc.date.issued2023
dc.departmentFakülteler, Çorlu Mühendislik Fakültesi, İnşaat Mühendisliği Bölümü
dc.description.abstractThe emerging trend in earthquake-resistant structural design is to dissipate some part of the seismic input energy through energy-dissipating devices (EDDs). A prominent candidate to serve this purpose is the lead extrusion damper (LED), which dissipates seismic energy by the extrusion of lead through the displacement of a bulged shaft. The LEDs should be designed as they meet the demands of the host structural system. Hence, predicting the force–displacement relation and energy dissipation characteristics of the LED is essential. To serve this purpose, comprehensive three-dimensional finite element models (FEMs) were developed in this study to simulate the cyclic behavior of a prestressed LED. The methodology consisted of performing coupon tests, the development of FEMs, and experimental verification. Coupon tests were performed for lead and steel to simulate the nonlinear material behaviors better. The models were validated against the experimental results of the LED and a steel beam-to-column connection. In general, the adapted model satisfactorily captured the experimental results. The maximum differences in the maximum force and dissipated energy predictions were about 7.5% for the generated FEMs. In addition, the mean relative difference in predicting damper forces for eight LEDs selected from the literature was about 6%. The low relative differences between the models and experiments demonstrated that the adapted FEM could reliably estimate the cyclic response of the LEDs. It can be stated that the adapted three-dimensional finite element modeling strategy can be utilized robustly for design purposes. © 2023 Institution of Structural Engineers
dc.description.sponsorship121M719; Istanbul Teknik Üniversitesi, IT
dc.description.sponsorshipThe study was supported by TUBITAK 1001 research project 121M719. The experimental study was conducted in the Structural and Earthquake Engineering Laboratory (STEELab) of Istanbul Technical University. All the support is gratefully acknowledged. Additionally, the authors express their sincere thanks to Dr. Vishnupriya and her co-authors for sharing their experimental data.
dc.description.sponsorshipThe study was supported by TUBITAK 1001 research project 121M719 . The experimental study was conducted in the Structural and Earthquake Engineering Laboratory (STEELab) of Istanbul Technical University . All the support is gratefully acknowledged. Additionally, the authors express their sincere thanks to Dr. Vishnupriya and her co-authors for sharing their experimental data.
dc.identifier.doi10.1016/j.istruc.2023.02.094
dc.identifier.endpage1125
dc.identifier.issn2352-0124
dc.identifier.scopus2-s2.0-85148889370
dc.identifier.scopusqualityQ1
dc.identifier.startpage1114
dc.identifier.urihttps://doi.org/10.1016/j.istruc.2023.02.094
dc.identifier.urihttps://hdl.handle.net/20.500.11776/11920
dc.identifier.volume50
dc.identifier.wosWOS:000996171600001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorSoydan, Cihan
dc.language.isoen
dc.publisherElsevier Ltd
dc.relation.ispartofStructures
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectBeam-to-column connection
dc.subjectExperimental validation
dc.subjectFinite element analyses
dc.subjectLead extrusion damper
dc.subjectPassive energy dissipation
dc.titleDevelopment and experimental validation of finite element models for a prestressed lead extrusion damper
dc.typeArticle

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