A comparative study on the sodium sulfate resistance of concrete with thesupplementary cementitious materials
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Tarih
2021
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info:eu-repo/semantics/openAccess
Özet
Sulfate attack is one of the main factors causing durability problems in concrete. In this study, in order to evaluate the physical/chemical interaction of sulfate resistance, concrete mixtures with silica fume, blast furnace slag, fly ash, limestone filler, hydrated lime and Portland cement are investigated by conducting a series of experiments. Five different series of concrete mixtures containing the specified supplementary cementitious materials were developed with a water-binder ratio of 0.33 and a total binder content of 400 kg/m3. The concrete samples were exposed to lime-saturated water and sodium sulfate solution of 50 g/l for 365 days. The evaluation of sulfate resistance was done by the determination of compressive strength and change in weight. The improvement of the resistance to sulfate attack is assessed concerning the ratio of the mineral additives and results indicated that using the selected supplementary cementitious materials in the concrete mixtures significantly improves the durability performance.
Açıklama
Anahtar Kelimeler
Kaynak
Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi
WoS Q Değeri
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Cilt
10
Sayı
1
