Strength properties of slag/fly ash blends activated with sodium metasilicateThe alkali activation of mortar blends containing Ground Granulated Blast Furnace Slag and Fly Ash, with activation based on sodium metasilicate, is investigated in this study. Two series are investigated, and compressive strength is measured. The results of the first series show that the compressive strength decreases considerably with a decrease in the slag and fly ash ratio. The 3-day compressive strength of mortar cured at the temperature of 100°C increases slightly up to the ratio of 60/40, but decreases considerably at the 40/60 ratio.
ÖzetBu çalışmada, öğütülmüş yüksek fırın cürufu ve bazaltik pomza ayrı ayrı veya birlikte kullanılarak üretilen betonların hidrolik aşınmaya dayanıklılığı araştırılmıştır. İnce agreganın yerine değişik oranlarda yüksek fırın cürufu veya bazaltik pomza kullanılarak numuneler üretilmiştir. Üç yıl deniz suyu etkisine maruz kalan örneklerin aşınmaları kütle kayıplarına göre belirlenmiştir. Yüksek fırın cürufu ve bazaltik pomza katkılı numunelerin aşınmaya karşı olumlu etkiler yaptığı görülmüştür. Beton dayanıklılığının, katkı tipi ve miktarına bağlı olduğu ortaya konmuştur. Ayrıca yüzde 80 yüksek fırın cürufu içeren betonların deniz suyuna karşı dayanıklılığı kontrol numunesinden daha yüksek bulunmuştur.
AbstractIn this study, ground granulated blast furnace slag and basalt together or separately using pumice abrasion resistance power of the concrete produced was investigated. In different proportions of fine aggregate instead of blast furnace slag or basalt samples were produced using pumice. Three years are exposed to sea water corrosion mass loss of the samples was determined according to. Blast furnace slag and basalt pumice for specimens which had a positive effect against abrasion were found. Concrete durability, depend on the type and amount of additives has been shown. In addition, 80 percent of concrete containing blast furnace slag resistances to seawater were higher than the control sample.
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