Abstract
One of the contemporary approaches to reduce the damage to cementitious composite resulting from the freeze–thaw effect is the incorporation of phase-change materials (PCM). In this study, the composites were produced adding n-tetradecane, which is a microencapsulated organic PCM, at rates of 0, 2, 4, 6 and 8% of the cement weight. In two different simulations representing the climate conditions of the two distinct regions in Türkiye, its effect on restricting the temperature amplitudes that the composite experienced was determined. It was determined that the PCM, with a working range similar to the temperature range applied to the composite in simulation, was successful in reducing the temperature amplitudes, and the rate and type of the PCM should be chosen with care according to the climate conditions likely to be experienced by the composite when in use. In addition to PCM's thermal properties, its effects on the mechanical properties and consistency results were investigated.
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