Freeze-thaw durability of porous building materials

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Journal titleASTM Special Technical Publication
Pages455463; # of pages: 9
Subjectfreeze-thaw cycles; weatherability; concrete bricks; stone; porosity; clay bricks; freezing and thawing; frost action; concrete brick; stone; cement paste; Hygrothermal properties; gel degel; resistance aux intemperies; brique de beton; pierre (materiau); porosité; brique en terre cuite
AbstractWater held in the pores of a solid becomes unstable when cooled to temperatures below 0 degrees C. If the conditions permit, the water leaves the pores and ice accumulates outside the system. In case of high cooling rate, high degree of saturation, and long diffusion path, the water cannot reach the external surface and solidifies in a glassy, amorphous state. Mechanical damage occurs only in the latter case. This mechanism is not indigenous to any single type of solid, thus it is applicable to cement paste, stone, and brick, and could be used for increasing the durability of porous materials and for improving test procedures.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number18638
NPARC number20374312
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Record identifierd51b5439-7ff0-4ae4-a714-69b50838136f
Record created2012-07-23
Record modified2016-05-09
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