Optimising High Lime Fly Ash Content By Means of Silica Fume Incorporation to Control Alkali-Silica Reaction And Drying Shrinkage of Mortars

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dc.authoridHATUNGIMANA, Daniel/0000-0001-7564-0756
dc.authoridHosseinnezhad, Hojjat/0000-0002-9846-2435
dc.authoridGokce, H. Suleyman/0000-0002-6978-0135
dc.authoridRamyar, kambiz/0000-0003-2200-2691
dc.contributor.authorGokce, H. Suleyman
dc.contributor.authorHosseinnezhad, Hojjat
dc.contributor.authorUzum, Onur
dc.contributor.authorHatungimana, Daniel
dc.contributor.authorRamyar, Kambiz
dc.date.accessioned2024-10-04T18:52:32Z
dc.date.available2024-10-04T18:52:32Z
dc.date.issued2020
dc.departmentBayburt Üniversitesien_US
dc.description.abstractIn this study, the effect of binary and ternary cementitious systems composed of portland cement, high-lime fly ash and silica fume on the compressive strength, alkali-silica reaction (ASTM C 1567) and drying shrinkage of mortar mixtures was researched. For this purpose, binary and ternary binders were prepared with partial replacement of cement with either fly ash (15wt% and 30wt%) or silica fume (5wt%) or both mineral admixtures (15wt+%5wt% and 30wt%+5wt%). An alkali reactive basalt aggregate was used in this study. It was found that partial replacement of cement with high-lime fly ash reduced the strength of mortar mixtures even up to 28-days. Besides, addition of 5% silica fume had not a significant effect on the early strength of fly ash-bearing mixtures. However, silica fume inclusion improved the 28-day strength of mixtures. In terms of alkali-silica reaction (ASR), the fly ash with lower lime content reduced the 14-day expansion more than that of fly ash with higher lime content. The opposite results were the case in 28-day ASR expansions. The ASR expansions of the fly ash-bearing mixtures were significantly reduced by the introduction of the additional 5% silica fume to these mixtures. However, silica fume incorporation remarkably increased the drying shrinkage values of the mixtures. Finally, fly ash with higher lime content was found to be more satisfactory in terms of compressive strength, alkali-silica reaction and drying shrinkage in the ternary binder system.en_US
dc.identifier.doi10.2339/politeknik.444036
dc.identifier.endpage66en_US
dc.identifier.issn1302-0900
dc.identifier.issn2147-9429
dc.identifier.issue1en_US
dc.identifier.startpage61en_US
dc.identifier.trdizinid419636en_US
dc.identifier.urihttps://doi.org/10.2339/politeknik.444036
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/419636
dc.identifier.urihttp://hdl.handle.net/20.500.12403/3541
dc.identifier.volume23en_US
dc.identifier.wosWOS:000506639500008en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.publisherGazi Univen_US
dc.relation.ispartofJournal of Polytechnic-Politeknik Dergisien_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectMortaren_US
dc.subjectlime content of fly ashen_US
dc.subjectsilica fumeen_US
dc.subjectcompressive strengthen_US
dc.subjectalkali-silica reactionen_US
dc.subjectdrying shrinkageen_US
dc.titleOptimising High Lime Fly Ash Content By Means of Silica Fume Incorporation to Control Alkali-Silica Reaction And Drying Shrinkage of Mortarsen_US
dc.typeArticleen_US

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