An improved input energy spectrum verified by the shake table tests

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dc.contributor.authorGullu, Ahmet
dc.contributor.authorYuksel, Ercan
dc.contributor.authorYalcin, Cem
dc.contributor.authorDindar, A. Anil
dc.contributor.authorOzkaynak, Hasan
dc.contributor.authorBuyukozturk, Oral
dc.date.accessioned2024-03-13T10:30:38Z
dc.date.available2024-03-13T10:30:38Z
dc.date.issued2019
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractInput energy is the principal component of the energy balance equation. It is beneficial to determine, through its components, how the recoverable and irrecoverable energies are distributed within the structural elements. Several equations and attenuation relations to define mass-normalized input energy spectra exist in the literature. They are mainly proposed for elastic systems subjected to far-fault EQs. There is a lack of experimental verification of these proposed spectra. In this paper, experimental assessment was performed to the existing spectra, and further improvements were accomplished. For this purpose, steel cantilever columns were tested on the shake table for two specific historical EQs coincidently having similar spectral acceleration values. Based on the experimental results, a three-part mass-normalized relative input energy spectrum was formulated including soil type, EQ (corner period, intensity, duration, spectral acceleration, and velocity), and structural behavioral characteristics (period and structural damping). The proposed input energy spectrum was experimentally calibrated and numerically validated for various EQs featuring near-and far-field types. Analytical and experimental comparisons were made between the previously developed spectrum and the newly proposed one. The validation studies and the statistical evaluations exposed that the proposed spectrum yielded better agreement with the experimental and numerical results.en_US
dc.description.sponsorshipIstanbul Technical University [ITU BAP 39305]en_US
dc.description.sponsorshipIstanbul Technical University, Grant/Award Number: ITU BAP 39305en_US
dc.identifier.doi10.1002/eqe.3121
dc.identifier.endpage45en_US
dc.identifier.issn0098-8847
dc.identifier.issn1096-9845
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85052920914en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage27en_US
dc.identifier.urihttps://doi.org/10.1002/eqe.3121
dc.identifier.urihttps://hdl.handle.net/20.500.12662/3446
dc.identifier.volume48en_US
dc.identifier.wosWOS:000456141900002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofEarthquake Engineering & Structural Dynamicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectenergy balance equationen_US
dc.subjectenergy-based designen_US
dc.subjectinput energy demanden_US
dc.subjectinput energy Spectrumen_US
dc.titleAn improved input energy spectrum verified by the shake table testsen_US
dc.typeArticleen_US

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