Changes in weight and dimensions in the drying and carbonation of Portland cement mortars

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DOIResolve DOI: http://doi.org/10.1680/macr.1965.17.50.5
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TypeArticle
Journal titleMagazine of Concrete Research
ISSN0024-9831
Volume17
Issue50
Pages514; # of pages: 10
Subjectportland cement; carbonation; drying; strength after 28 days (concrete); Mortar; Concrete
AbstractSmall specimens of mortar and paste were cured for 28 days and then subjected to various conditions of drying and carbonation. In general the extent of carbonation, for a given CO[2] concentration, depends upon permeability, moisture content and time, but the extent of carbonation shrinkage and ultimate volume stability depend on the compressibility of the aggregate, the water/cement ratio, the maturity of the paste, the drying environment and rate, and on the sequence of drying and carbonation. Some of the practical implications of these results are noted.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-RP-265
NRC number8587
2145
NPARC number20375003
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Record identifier74381548-9a23-41d2-9453-5cee1f519241
Record created2012-07-23
Record modified2016-05-09
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