Abstract
The pore structure of C 3S pastes cured at 4, 25, and 65°C was investigated using mercury porosimetry and H 2O and N 2 adsorption. The 4 and 25°C pastes are not very different but the 65°C paste has a coarser pore structure. In this case there is an increase in macropore volume at the expense of meso- and micropore volumes. These changes are not accompanied by variations in total porosity. Some possible relations between these changes and the reduction in strength and drying shrinkage of high-temperature cured pastes are discussed.
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