Effects of plasticizer and antifreeze on concrete at elevated temperatures and different cooling regimes

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dc.authorid0000-0001-9193-624Xen_US
dc.contributor.authorBekem Kara, İlknur
dc.contributor.authorArslan, Metin
dc.date.accessioned2021-02-22T08:38:09Z
dc.date.available2021-02-22T08:38:09Z
dc.date.issued2020
dc.departmentAÇÜ, Mühendislik Fakültesien_US
dc.description.abstractIn this study, the plasticizer and the antifreeze were used. The concrete specimens (the reference concrete without an admixture, concrete with plasticizer, concrete with antifreeze and concrete with plasticizer+antifreeze) were exposed to elevated temperatures (200, 400, 550 and 700 degrees C) and cooling via air and water. Water absorption, ultrasonic pulse velocity and compressive strength tests were performed on the specimens. The concrete specimens were also analyzed using thermal gravimetric analysis and X-ray diffraction. The test results indicated that at the temperatures of 550 and 700 degrees C and against both of the cooling regimes the plasticizer+antifreeze concrete showed a maximum strength loss. When the air cooled specimens were examined, the lowest strength loss was this obtained for reference concrete at 550 and 700 degrees C. The lowest strength loss at these temperatures for the water cooled specimens was observed in the concrete with antifreeze. According to thermal gravimetric analysis, the weight loss rate slightly decreases after 700 degrees C. No portlandite peaks were observed in the concrete mixtures exposed to 700 degrees C and the cooling regimes was when they were compared at with the control specimens exposed to 20 degrees C in the X-ray diffraction analysis.
dc.identifier.citationKara, İ. B., & Arslan, M. (2020). Effects of plasticizer and antifreeze on concrete at elevated temperatures and different cooling regimes. Revista de la Construcción. 19(3), 347-357.en_US
dc.identifier.doi10.7764/RDLC.19.3.347
dc.identifier.endpage357en_US
dc.identifier.issue3en_US
dc.identifier.startpage347en_US
dc.identifier.urihttps://hdl.handle.net/11494/2635
dc.identifier.volume19en_US
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.institutionauthorBekem Kara, İlknur
dc.language.isoenen_US
dc.publisherPontificia Católica de Chileen_US
dc.relation.ispartofRevista de la Construccion
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectConcreteen_US
dc.subjectPlasticizeren_US
dc.subjectAntifreezeen_US
dc.subjectElevated temperaturesen_US
dc.subjectCooling regimesen_US
dc.titleEffects of plasticizer and antifreeze on concrete at elevated temperatures and different cooling regimesen_US
dc.typeArticle

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