Freezing of water in hydrated cement pastE/Le gel de l'eau contenue dans la pate de ciment hydrate

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IssuePart 1
Subjectfrost penetration; hydrated cements; hydrostatic pressure; Concrete; penetration du gel; ciment hydrate; pression statique
AbstractPresent theory of frost action in cement is re-examined in the light of the results of recent experiments (dimensional changes, adsorption characteristics, calorimetry, DTA). It is found that hydrostatic pressure in cement is not generated by the 9 per cent difference between the specific volume of water and ice but by the changed interaction between the cement and the adsorbed water on its solidification. The proposed mechanism raises the possibility that new methods for frost protection may be developed. Similarly, frost susceptibility may be tested in a more reliable way.
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AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number11464
NPARC number20373865
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Record identifiere07dd85c-6caa-403c-8843-de5b9f4fa345
Record created2012-07-23
Record modified2016-05-09
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