Relating Compressive Strength to Heat Release in Mortars
Dale P. Bentz, Tim Barrett, Igor de la Varga, William J. Weiss
Conventionally, isothermal calorimetry and ASTM C186 heat of hydration results are reported on a per mass of cement (powder) basis, with typical units being J/g cement for example. Based on the recognition that it is the filling of porosity with hydration products that is chiefly responsible for strength development in cement-based materials, there may be merit in instead reporting these results on a per unit volume of (initial) water basis. This paper examines a database of well over 200 mortar mixtures to investigate the relationship between heat release and mortar cube compressive strength development. For reasonably low water-to-cementitious materials ratios (w/cm
, Barrett, T.
, de, I.
and Weiss, W.
Relating Compressive Strength to Heat Release in Mortars, Journal of ASTM International, [online], https://doi.org/10.1520/ACEM20120002
(Accessed December 8, 2023)