Energy-based evaluation of liquefaction potential of uniform sands

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dc.contributor.authorSonmezer, Yetis Bulent
dc.date.accessioned2020-06-25T18:34:19Z
dc.date.available2020-06-25T18:34:19Z
dc.date.issued2019
dc.departmentKırıkkale Üniversitesi
dc.description.abstractSince behaviors of loose, dense, silty sands vary under seismic loading, understanding the liquefaction mechanism of sandy soils continues to be an important challenges of geotechnical earthquake engineering. In this study, 36 deformation controlled cyclic simple shear tests were performed and the liquefaction potential of the sands was investigated using three different relative densities (40, 55, 70%), four different effective stresses (25, 50, 100, 150 kPa) and three different shear strain amplitudes (2, 3.5, 5%) by using energy based approach. Experiments revealed the relationship between per unit volume dissipated energy with effective stress, relative density and shear strain. The dissipate energy per unit volume was much less affected by shear strain than effective stress and relative density. In other words, the dissipated energy is strongly dependent on relative density and effective stress. These results show that the dissipated energy per unit volume is very useful and may contain the non-uniform loading conditions of the earthquake spectrum. When multiple regression analysis is performed on experiment results, a relationship is proposed that gives liquefaction energy of sandy soils depending on relative density and effective stress parameters.en_US
dc.description.sponsorshipKirikkale UniversityKirikkale University [2018/021]en_US
dc.description.sponsorshipThis research was funded by Kirikkale University under grant number 2018/021. Experiments were carried out in the Soil Mechanics Laboratory of Ankara University. Dr. Kamil Kayabali kindly provided access to this laboratory.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.12989/gae.2019.17.2.145
dc.identifier.endpage156en_US
dc.identifier.issn2005-307X
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85062950749
dc.identifier.scopusqualityQ2
dc.identifier.startpage145en_US
dc.identifier.urihttps://doi.org/10.12989/gae.2019.17.2.145
dc.identifier.urihttps://hdl.handle.net/20.500.12587/7862
dc.identifier.volume17en_US
dc.identifier.wosWOS:000457500400003
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTechno-Pressen_US
dc.relation.ispartofGeomechanics And Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectliquefaction energyen_US
dc.subjectcyclic simple shear testen_US
dc.subjectrelative densityen_US
dc.subjecteffective stressen_US
dc.subjectshear strainen_US
dc.subjectsanden_US
dc.titleEnergy-based evaluation of liquefaction potential of uniform sandsen_US
dc.typeArticle

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