Affiliation:
1. Université de Bourgogne
Abstract
The two kinetic steps that occur during C3S hydration have been investigated further by hydrating C3S in various solutions: silicate-containing solutions increase the quantity of C-S-H precipitated during the first kinetic step and reduce the second kinetic step. On the other hand, lime solutions increase the second kinetic step and reducethe first one. The influence of the initial composition of the solution and of the water to solid ratio on the relative extent of the two kinetic step intensities has been explained by differences of the kinetic path. The rate of C-S-H precipitation has been calculated from the heat flow. During each kinetic step, the rate of C-S-H precipitation increases and then decreases. Some preliminary hypotheses have been proposed to explain the processes at the origin of these different kinetic regimes.
Subject
General Materials Science,Building and Construction
Cited by
46 articles.
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