Abstract
This report deals with practical and experimental studies of the effects of frost attack on hardening cement stone and concrete. The basic component of concrete, cement stone, is a typical capillary-porous material formed from solid, liquid and gaseous phases. The level of knowledge on the effects of frost attack on cement stone and concrete hardening is insufficient, due to the complexity of the mechanisms of the accompanying effects. The values of internal pressures are determined among others by ice formation parameters, by the characteristics of the porous structure and the solid phase of the cement stone, and also by technological factors. The quantitative estimation of certain parameters is important for an approach to the understanding of the mechanism of frost attack and the choice of methods of its regulation for technological purposes. These are the temperature of pore liquid crystallization T f, the degree of freezing F d and the mass of ice I m formed during freezing. Examples of changes in ice formation parameters on variation of some of the technological factors are given.
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Usherov-Marshak, A., Zlatkovski, O. & Sopov, V. Calorimetric Study of Frost Attack During Cement Hardening. Journal of Thermal Analysis and Calorimetry 68, 223–230 (2002). https://doi.org/10.1023/A:1014917601533
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DOI: https://doi.org/10.1023/A:1014917601533