High performance cementless composites from alkali activated GGBFS

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dc.contributor.authorYurt, Umit
dc.date.accessioned2021-12-01T18:47:32Z
dc.date.available2021-12-01T18:47:32Z
dc.date.issued2020
dc.department[Belirlenecek]en_US
dc.description.abstractSome of the thermally activated minerals and pozzolans were generally preferred in the production of geopolymer and/or alkali-activated composites as unary, binary, and ternary mixtures. The general trend is to use Ground Granulated Blast Furnace Slag (GGBFS) as binary or ternary mixes in the production of alkali-activated composites. However, GGBFSs have preferred the only binder in this study. Alkali-Activated Concrete (AAC) specimens were produced by using sodium hydroxide and sodium silicate aqueous solutions in three different molarity values (8, 10, and 12 M) for the formation of activation. For each mixture, three different activation temperatures, 25 degrees C (ambient temperature), 60 degrees C and 90 degrees C for 18 h, were applied. After this process, the specimens were kept under laboratory conditions (25 +/- 2.5 degrees C) for 90 days to gain strength. Then capillary water absorption, density, Dynamic Modulus of Elasticity (DMoE), compressive strength, splitting tensile strength, and abrasion resistance tests were performed on the specimens. Furthermore, microstructure analyses were performed on the selected specimens. In the conclusion, AAC production was able to achieve using 100% GGBFS. High strength cementless concretes with a compressive strength of 82.32 MPa could be obtained by using GGBFS, which is a waste material. Besides, AAC with an abrasion value of 3.86% by weight was obtained in the specimen coded M12T60. (C) 2020 Elsevier Ltd. All rights reserved.en_US
dc.identifier.doi10.1016/j.conbuildmat.2020.120222
dc.identifier.issn0950-0618
dc.identifier.issn1879-0526
dc.identifier.scopus2-s2.0-85088362606en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.conbuildmat.2020.120222
dc.identifier.urihttps://hdl.handle.net/20.500.12684/10301
dc.identifier.volume264en_US
dc.identifier.wosWOS:000585942300047en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorYurt, Umit
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofConstruction And Building Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAbrasion resistanceen_US
dc.subjectAlkali-activated GGBFSen_US
dc.subjectCementless concreteen_US
dc.subjectMechanical propertiesen_US
dc.subjectBlast-Furnace Slagen_US
dc.subjectGeopolymer Concreteen_US
dc.subjectEngineering Propertiesen_US
dc.subjectPortland-Cementen_US
dc.subjectStrengthen_US
dc.subjectPermeabilityen_US
dc.subjectMetakaolinen_US
dc.subjectEmissionsen_US
dc.subjectBehavioren_US
dc.subjectFumeen_US
dc.titleHigh performance cementless composites from alkali activated GGBFSen_US
dc.typeArticleen_US

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