Stabilization of Clayey Soil with Alkali-activated Hybrid Slag/Cement

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dc.contributor.authorYildirim, Eray
dc.contributor.authorBol, Ertan
dc.contributor.authorAvci, Eyübhan
dc.contributor.authorÖzocak, Aşkin
dc.date.accessioned2026-02-08T15:11:14Z
dc.date.available2026-02-08T15:11:14Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThis study investigates the stabilization performance of clayey soil treated with alkali-activated hybrid slag/cement. Sodium silicate (SS) and sodium hydroxide (SH) are used as alkali activators, whereas ground blast furnace slag (GGBS) and ordinary Portland cement (OPC) are used as sources of aluminosilicate. A total of 27 different types of mixtures are used for stabilization. Unconfined compressive strength (UCS) of untreated clay and stabilized soils are performed at immediately, 3-, 7-, 28-, and 90 days curing times under air-dried and wet-cured conditions. In addition, 90-d volume and mass changes in the samples are measured. Stabilized samples with an SS/SH ratio of 1 under air-dried conditions reveal moistening at early curing ages (?28 days); afterward, sodium carbonate crystals appear in these samples at longer curing ages. Geopolymer-treated clayey soil exhibits lower volumetric and mass changes compared with OPC. Most of the stabilized clayey soil with alkali-activated hybrid slag/cement exhibits higher strength compared with OPC under air-dried and wet-cured conditions. © 2024, Budapest University of Technology and Economics. All rights reserved.
dc.identifier.doi10.3311/PPci.21964
dc.identifier.endpage273
dc.identifier.issn0553-6626
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85182604495
dc.identifier.scopusqualityQ2
dc.identifier.startpage260
dc.identifier.urihttps://doi.org/10.3311/PPci.21964
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5340
dc.identifier.volume68
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherBudapest University of Technology and Economics
dc.relation.ispartofPeriodica Polytechnica Civil Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzScopus_KA_20260207
dc.subjectalkali activation
dc.subjectgeopolymer
dc.subjecthigh plasticity clay
dc.subjecthybrid slag/cement
dc.subjectsoil stabilization
dc.titleStabilization of Clayey Soil with Alkali-activated Hybrid Slag/Cement
dc.typeArticle

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