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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: Effects of Moisture, Temperature, and Freezing and Thawing on Alkali-Silica Reaction
Author(s): Richard A. Deschenes Jr., Eric R. Giannini, Thanos Drimalas, Benoit Fournier, and W. Micah Hale
Publication: Materials Journal
Appears on pages(s): 575-584
Keywords: alkali-silica reaction (ASR); freezing and thawing (F/T); mitigation; relative humidity (RH); silane; wetting and drying
Abstract:Alkali-silica reaction (ASR) and freezing and thawing (F/T) deterioration reduce the service life of concrete. The influence of relative humidity (RH), temperature, wetting-and-drying (W/D), and F/T on the development of ASR were evaluated herein. These factors exacerbate concrete deterioration, and understanding the relationship between moisture and deterioration is necessary for mitigation. The results of this study confirm a relationship between deleterious expansion and environmental conditions such as moisture and temperature. The results confirm the aggravating effect of F/T on ASR. The results indicate that sufficient drying may prevent both ASR and F/T deterioration in non-air-entrained concrete. Silane was evaluated as a mitigation measure for concrete exposed to a combination of ASR, F/T, and W/D and found to increase drying.
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