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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: Chemical Resistance of Concrete Containing Condensed Silica Fume
Author(s): Takeshi Yamato and Yukio Emoto
Publication: Special Publication
Appears on pages(s): 897-914
Keywords: carbonation; chemical attack; chlorides; concrete durability; deterioration; modulus of elasticity; silica fume; sulfates; Materials Research
Abstract:Chemical resistance of concrete containing condensed silica fume (CSF), 5 percent H2SO4, 5 percent HCl, and 10 percent Ha2SO4 was studied. The deterioration of concrete was investigated by measuring the changes in weight and modulus of elasticity. The penetration depth of chloride ion by 3 percent NaCl solution spray and the carbonation depth by 5 percent CO2 gas were also measured. Chloride was measured by colorimetry. Mortar and concrete containing CSF show higher compressive strengths at 28 and 91 days than the control mix. The penetration depth of chloride into CSF concrete was reduced and at 10 percent CSF, the penetration depth was reduced by 65 percent. At 30 percent CSF, carbonation depth is increased with respect to the control concrete.
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