Effects of reactive MgO and metakaolin on compressive strength and chloride migration coefficient of sodium carbonate activated slag mortars

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dc.WoS.categoriesEngineering, Multidisciplinaryen_US
dc.authorid0000-0003-1484-7758en_US
dc.contributor.authorAbolfathi, Mehrnosh
dc.contributor.authorUlukaya, Serhan
dc.contributor.authorAktürk, Büşra
dc.date.accessioned2023-09-18T06:56:57Z
dc.date.available2023-09-18T06:56:57Z
dc.date.issued2023-02
dc.description.abstractThis paper presents an investigation of the compressive strength and chloride migration of sodium carbonate (NC) activated slag-based mortars. In the experimental study, NC was preferred to use as an activator since it can be designated as an environment-friendly activator. To improve the performance of sodium carbonate-activated slag-based mortars (NCAS), reactive MgO (M) and metakaolin (MK) were replaced with slag up to 15% by mass and five mortar mixtures were prepared with different M and MK replacement ratios. It was found that replacing the slag with a combination of 10% M and 5% MK achieved the highest compressive strength for both early age and ultimate strength. In addition, the mix which was composed of 85% slag, 10% M and 5% MK, was the most resistant one against chloride migration. Based on the compressive strength and chloride migration test results, it was concluded that the compressive strength and chloride migration performances of NCAS could be enhanced by the combination of M and MK.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.14744/sigma.2023.00002en_US
dc.identifier.issn1304-7191
dc.identifier.issn1304-7205
dc.identifier.scopus2-s2.0-85162846174en_US
dc.identifier.urihttps://hdl.handle.net/11411/5188
dc.identifier.urihttps://doi.org/10.14744/sigma.2023.00002
dc.identifier.wosWOS:001047095100002en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue1en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors3en_US
dc.pages17-25en_US
dc.publisherYILDIZ TECHNICAL UNIV.en_US
dc.relation.ispartofSIGMA JOURNAL OF ENGINEERING AND NATURAL SCIENCES-SIGMA MUHENDISLIK VE FEN BILIMLERI DERGISIen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDRYING SHRINKAGEen_US
dc.subjectCEMENTen_US
dc.subjectEVOLUTIONen_US
dc.subjectCONCRETEen_US
dc.titleEffects of reactive MgO and metakaolin on compressive strength and chloride migration coefficient of sodium carbonate activated slag mortarsen_US
dc.typeArticleen_US
dc.volume41en_US

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