Shaking table tests on geotechnical seismic isolation for medium-rise buildings using EPS beads-sand mixtures

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dc.contributor.authorEdincliler, Ayse
dc.contributor.authorYildiz, Ozgur
dc.date.accessioned2026-06-19T06:41:09Z
dc.date.available2026-06-19T06:41:09Z
dc.date.issued2023
dc.departmentMalatya Turgut Özal Üniversitesi
dc.description.abstractThe mixture of sand-expanded polystyrene (EPS) beads has emerged as an alternative seismic isolation geomaterial due to its high compressibility and energy absorption capacity features. The objective of this study is to determine the effectiveness of a new proposed geotechnical seismic isolation material, EPS beads-sand mixtures, on the seismic performance of the medium-rise buildings by shake table tests. A 1/10 scaled five-story building model was used in order to determine the effects of the EPS-beads as an isolation material. The seismic isolation layers were created surrounding the foundation of a mid-rise building model with sand-EPS beads mixtures at varying thicknesses. The influence of various parameters, particularly the earthquake characteristics of input motions, the EPS beads content, and the thickness of the isolation layer were investigated. As a result of the extensive experimental program, it was revealed that the EPS40 with the 15 cm isolation thickness significantly reduced the peak accelerations and the inter-story drifts. The utilization of the EPS beads-sand mixture layer under the foundation may be accepted as an alternative seismic isolation material. In addition, the results of this first study were also evaluated according to rubber-sand mixtures as another GSI material in the literature. The results showed that the proposed GSI material is very sensitive to the changes of content and earthquake characteristics. This study is very important as it shows that EPS beads-sand mixtures can be accepted as a potential seismic isolation material.
dc.identifier.doi10.1007/s10518-022-01587-6
dc.identifier.endpage3877
dc.identifier.issn1570-761X
dc.identifier.issn1573-1456
dc.identifier.issue8
dc.identifier.orcid0000-0002-3684-3750
dc.identifier.scopus2-s2.0-85153109222
dc.identifier.scopusqualityQ1
dc.identifier.startpage3851
dc.identifier.urihttps://doi.org/10.1007/s10518-022-01587-6
dc.identifier.urihttps://hdl.handle.net/20.500.12899/6100
dc.identifier.volume21
dc.identifier.wosWOS:000972490500001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofBulletin of Earthquake Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20260612
dc.subjectGeosynthetics
dc.subjectEps Beads
dc.subjectGeotechnical Seismic Isolation
dc.subjectShaking Table Tests
dc.titleShaking table tests on geotechnical seismic isolation for medium-rise buildings using EPS beads-sand mixtures
dc.typeArticle

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