Abstract:In this study four mixtures were prepared at a constant w/b of 0.32 with different combinations of general use cement, Class F fly ash and nano-silica sol, targeting applications in cold weather. All mixtures incorporated calcium nitrate-nitrite solution as an antifreeze admixture. The mixtures were mixed, cast and cured using two different regimes: a constant freezing temperature of-5ºC, and cyclic freezing-low temperatures (-5/5ºC), without heating or insulation during the curing period. The performance of m… Show more
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