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Effect of water and other dielectrics on subcritical crack growth in Portland cement paste

From National Research Council Canada

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DOIResolve DOI: https://doi.org/10.1016/0008-8846(85)90089-4
AuthorSearch for: 1
Affiliation
  1. National Research Council of Canada. NRC Institute for Research in Construction
FormatText, Article
SubjectConcrete; paste (state); Portland cement; crackings (breaking); alcohols; water; permittivity; dielectric constant; aliphatic alcohols; double torsion technique; flexural strength; dielectric constants; stress corrosion processes
Abstract
In studying the effect of water and a series of aliphatic alcohols on subcritical crack growth in cement paste, log crack velocity-stress intensity factor curves were obtained by means of a double-torsion technique. The relative position of the curves was found to be dependent on the dielectric constant of the test media. Flexural strength of cement paste saturated in organic fluids is also dependent on the dielectric constant. Stress corrosion processes involving chemical attack of Si-0 bonds in cement paste appear to be operative.
Publication date
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  • Cement and Concrete Research 15, no. November 6 (1 November 1985): 988–994.
LanguageEnglish
Peer reviewedYes
IdentifierIRC-P-1357
NRC numberNRCC 25542
NRC-IRC-3785
NPARC number20375685
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Record identifier0fca319f-1588-4522-b93f-957e42feca88
Record created2012-07-23
Record modified2023-12-18
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