Effects of ground motion orientation on prediction of seismic demands of a single-story RC structure

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dc.contributor.authorKayi, Deniz B.
dc.contributor.authorBayhan, Beyhan
dc.contributor.authorOzdemir, Gokhan
dc.date.accessioned2026-02-08T15:15:46Z
dc.date.available2026-02-08T15:15:46Z
dc.date.issued2025
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThis study investigates the influence of strong ground motion orientation on seismic response of a single-story reinforced concrete (RC) structures. For this purpose, three dimensional, single-story, single-bay asymmetric RC structure tested on shake table and its symmetric version are used. The numerical models of the structures in which reinforcement slip deformations taken into account are established according to the modelling technique validated in the Blind Prediction Contest conducted at the 15th World Conference on Earthquake Engineering. 30 pairs of near-field ground motion records are selected for bi-directional nonlinear time-history analyses. Horizontal components of ground motions are rotated from 0 degrees to 360 degrees with 10 degrees increments. Selected and rotated ground motion records are scaled to get compatible with the target spectrum. Nonlinear time-history analyses are performed by applying simultaneously the horizontal components of those ground motions to the numerical models. The results for both asymmetric and symmetric structural models revealed that change in the ground motion incidence angle may result almost 4 times larger story drift ratio demands compared to the result obtained by using as-recorded ground motion records. However, when the averages of the maximum story drift ratio demand obtained from all analyses are considered, the change in the demands depending on the ground motion incidence angle remains around 15%.
dc.identifier.doi10.12989/sem.2025.94.4.239
dc.identifier.endpage255
dc.identifier.issn1225-4568
dc.identifier.issn1598-6217
dc.identifier.issue4
dc.identifier.scopus2-s2.0-105005003511
dc.identifier.scopusqualityQ2
dc.identifier.startpage239
dc.identifier.urihttps://doi.org/10.12989/sem.2025.94.4.239
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5955
dc.identifier.volume94
dc.identifier.wosWOS:001490385400001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTechno-Press
dc.relation.ispartofStructural Engineering and Mechanics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzWOS_KA_20260207
dc.subject3d model
dc.subjectbi-directional nonlinear time-history analyses
dc.subjectground motion orientation
dc.subjectnear-field ground motions
dc.subjectshake table
dc.titleEffects of ground motion orientation on prediction of seismic demands of a single-story RC structure
dc.typeArticle

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