A Possible force mechanism associated with the freezing of water in porous materials

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TypeArticle
Journal titleHighway Research Board Bulletin
ISSN0099-944X
Volume168
Pages6573; # of pages: 9
Subjectfreezing; porosity; ice; thermodynamics; porosite; glace (gel); thermodynamique
AbstractThe thermodynamic equilibrium conditions for a water-ice interface in a pore of a porous medium are derived. It is found that, taking the geometry and physical dimensions of the pore into consideration, a positive pressure must develop between the ice and the solid in order for equilibrium to be maintained when the temperature at the freezing plane is depressed. A simple model utilizing this mechanism exhibits the same properties as a frost-heaving soil. The influence of air in the pores is briefly discussed.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-RP-66
NRC number4737
477
NPARC number20359245
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Record identifiera1b6c783-4d03-4e8c-81b9-ac906e104318
Record created2012-07-20
Record modified2016-05-09
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