A Modified Empirical Model for Predicting Liquefaction in Partially Saturated Sands

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dc.authorid0000-0002-2433-0122
dc.authorid0000-0002-5774-4911
dc.contributor.authorSeyedi, Mohsen
dc.contributor.authorEseller-Bayat, Esra Ece
dc.date.accessioned2025-07-30T06:30:20Z
dc.date.available2025-07-30T06:30:20Z
dc.date.issued2025
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, İnşaat Mühendisliği Bölümü
dc.description.abstractOne of the theoretical judgments for liquefaction triggering is that the maximum excess pore pressure ratio (ru,max) becomes unity. Some studies show that reducing the degree of saturation and creating partially saturated zones in the soil can lower ru,max, preventing liquefaction. Geotechnical engineers are interested in predicting ru,max as a control parameter for liquefaction triggering. Empirical models to predict ru,max of a free-field layer of partially saturated sand are mostly based on large and small-scale experimental setups, which cannot exactly explore the effect of high effective stresses. Also, the liquefaction responses obtained from the experimental studies mostly focus on shallow soil layers, limiting their applicability to deep field layers. This paper modifies an existing empirical model (RuPSS model) to make it able to capture the effect of high effective stresses up to 100 kPa in the prediction of ru,max of partially saturated sands in free-field conditions. A comparison of ru,max obtained from RuPSS model and the modified RuPSS model with the experimental test results confirms that the RuPSS model is unable to predict ru,max response under high effective stress while the modified RuPSS model can acceptably predict ru,max of partially saturated sands.
dc.identifier.citationSeyedi, M., & Eseller-Bayat, E. E. (2025). A Modified Empirical Model for Predicting Liquefaction in Partially Saturated Sands. Geotechnical and Geological Engineering, 43(5), 159. 10.1007/s10706-025-03121-2
dc.identifier.doi10.1007/s10706-025-03121-2
dc.identifier.issn0960-3182
dc.identifier.issue5
dc.identifier.scopus2-s2.0-105003249379
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://hdl.handle.net/20.500.12939/5805
dc.identifier.volume43
dc.identifier.wosWOS:001471844700001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakScopus
dc.institutionauthorSeyedi, Mohsen
dc.institutionauthorid0000-0002-2433-0122
dc.language.isoen
dc.publisherSpringer Science and Business Media Deutschland GmbH
dc.relation.ispartofGeotechnical and Geological Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.relation.tubitak213M367
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectEffective stress
dc.subjectFLAC3D
dc.subjectLiquefaction
dc.subjectMaximum excess pore pressure ratio
dc.subjectPartially saturated sand
dc.titleA Modified Empirical Model for Predicting Liquefaction in Partially Saturated Sands
dc.typeArticle

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