Abstract
The effect of curing procedure on hardened silica fume concrete is reported. The silica fume contents were 10%, 15%, 20%, and 30% by weight of cement. The aggregate to cementitious material ratios (cement + silica fume) ranged from 1.0 to 3.8. Three different curing methods were used: steam, moist, and air curing. Mechanical properties such as compressive strength, permeability, and permeable voids were determined. Steam curing was found to enhance the properties of silica fume concrete, whereas air curing exhibited adverse effects as compared to moist curing. Enhancement in the mechanical properties of silica fume concrete caused by steam curing was manifested by strength increase and permeability and permeable void volume decrease.
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