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Effects of Internal Curing, Slag, and Silica Fume on Concrete Shrinkage
Pendergrass, Benjamin Darwin, David Khajehdehi, Rouzbeh Feng, Muzai
Pendergrass, Benjamin
Darwin, David
Khajehdehi, Rouzbeh
Feng, Muzai
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Abstract
The shrinkage of mixtures containing replacements of total aggregate
with prewetted lightweight aggregate (LWA) (0, 8, and 10% by
volume) and replacements of cement with Grade 100 slag cement
(0 and 30% by volume) and silica fume (0, 3, and 6% by volume)
is evaluated. The results show that internal curing provided by
prewetted LWA reduces the tendency of the mixtures to develop
shrinkage strains. Further reductions are observed as slag is added
in conjunction with prewetted LWA and as silica fume is added in
conjunction with the prewetted LWA and slag.
Description
Date
2018-07
Journal Title
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Publisher
American Concrete Institute
Research Projects
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Keywords
Internal curing, Prewetted lightweight aggregate, Shrinkage, Silica fume, Slag cement
Citation
Pendergrass, B., Darwin, D., Khajehdehi, R., and Feng, M., “Effects of Internal Curing, Slag and Silica Fume on Concrete Shrinkage,” ACI Materials Journal, Vol. 115, No. 4, July 2018, pp. 585-593.