The transient plane source method has been applied to measuring the heat capacity and thermal conductivity of hydrating cement pastes as a function of w/c, curing conditions, and degree of hydration. The obtained results are in reasonable agreement with a majority of the previous measurements in the literature. A simple law of mixtures and the Hashin-Shtrikman bounds are useful in estimating heat capacities and thermal conductivities, respectively, both for hydrating cement pastes and ultimately for concrete mixtures.
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