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A study of the microstructure and hydration characteristics of tricalcium silicate in the presence of calcium chloride

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DOIResolve DOI: https://doi.org/10.1016/0008-8846(74)90133-1
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Affiliation
  1. National Research Council of Canada
FormatText, Article
SubjectAdmixtures; silicate; calcium; calcium chloride; hydration; form (morphology)
Abstract
The morphological and hydration characteristics of tricalcium silicate treated with 0, 2 and 5 per cent calcium chloride were followed by employing Scanning Electron Microscopy (SEM), Differential Thermal Analysis (DTA), and X- ray diffraction techniques. The water:solid ratios used were either 0.5 or 0.3. In terms of Ca(OH)[2] estimation CaCl[2] accelerated hydration, except with 5 per cent CaCl[ 2] at a 0.3 w/s ratio. The maximum amount of Ca(OH)[2] and calcium silicate hydrate was formed at 2 per cent CaCl[2] and a w/s ratio of 0.5. Except at very early times, the rate of reaction was slower at 0.3 w/s with or without CaCl[ 2] compared with the corresponding samples at 0.5 w/s.
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  • Cement and Concrete Research 4, no. March 2 (1 March 1974): 203–221.
LanguageEnglish
Peer reviewedYes
IdentifierDBR-RP-592
NRC numberNRCC 13837
NRC-IRC-3005
NPARC number20375788
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Record identifier3ee1f571-d20a-474b-ac65-dd545c7d4025
Record created2012-07-23
Record modified2024-01-11
Date modified: