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- Title
Effects of Moisture, Temperature, and Freezing and Thawing on Alkali-Silica Reaction.
- Authors
Deschenes Jr., Richard A.; Giannini, Eric R.; Drimalas, Thanos; Fournier, Benoit; Hale, W. Micah
- 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.
- Subjects
MOISTURE in concrete; CONCRETE construction; WETTING; SURFACE chemistry; SILANE compounds; MOISTURE in building materials
- Publication
ACI Materials Journal, 2018, Vol 115, Issue 4, p575
- ISSN
0889-325X
- Publication type
Article