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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Relative Durability Properties and Strengths of Mortars Containing Finely Ground Silica and Silica Fume
Author(s): K. Ohno, and F. Alhara
Publication: Special Publication
Appears on pages(s): 815-826
Keywords: chemical attack; chlorides; compressive strength; silica; flexural strength; silica fume; Materials Research
Abstract:The effect of finely ground silica with a high specific surface of about 12 mý/g and 20 mý/g in mortar was compared with that containing silica fume. The dosage requirement of a high-range water-reducing agent to maintain a constant flow of fresh mortar was determined for 1:3 mortar containing 5 to 25 percent finely ground silica or silica fume as cement replacement. The compressive and flexural strengths of the mortar were investigated at different ages. Also, the resistance of mortar specimens to chemical attack and chloride penetration was determined. It was concluded that the use of finely ground silica was as effective as silica fume for improving quality of mortar.
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