Inelastic seismic spectra including a damage criterion: A stochastic approach |
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| Institution: | 1. Nonlinear Analysis Research Group, Ton Duc Thang University, Ho Chi Minh City, Vietnam;2. Faculty of Mathematics and Statistics, Ton Duc Thang University, Ho Chi Minh City, Vietnam;3. Department of Mathematics and Computer Sciences, Faculty of Natural Sciences, University of Gljirokastra, Albania;4. University of Novi Sad, Faculty of Agriculture, Trg Dositeja Obradovi?a 8, Novi Sad, Serbia;5. Vienna University of Technology Institute of Computer Languages, Argentinierstr. 8, 1040 Vienna, Austrija;6. Department of Mathematics, Karaj Branch, Islamic Azad univerzity, Karaj, Iran |
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| Abstract: | In this paper, a stochastic approach for obtaining damage-based inelastic seismic spectra is proposed. The Park and Ang damage model, which includes displacement ductility and hysteretic energy, is adopted to take into account the cumulative damage phenomenon in structural systems under strong ground motions. Differently from previous studies in this field, damage-based seismic spectra are obtained by means of peak theory of stochastic processes. The following stochastic inelastic seismic spectra are constructed and then analyzed: damage-based displacement and acceleration inelastic spectra, damage-based response modification factor spectra, damage-based yield strength demand spectra and damage-based inelastic displacement ratio spectra. |
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| Keywords: | Damage-based seismic spectra Park–Ang damage model Stochastic process Peak theory |
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