Abstract
The direct tensile strength of silica fume cement paste and mortar were evaluated at various water-cementitious content ratios. Four different water-cementitious content ratios of 0.22, 0.25, 0.28, and 0.31 were used, and three contents of silica fume, 8%, 16%, and 25% by mass of cement. Superplasticizer content was adjusted for each mix to ensure that no segregation would occur.
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