Abstract
The hydraulic mixtures studied in this two-part article are destined for the fabrication of fine reconstituted sandstones. They were obtained from two sands whose size does not exceed 1 mm, white cement, water, and for some, from mineral additions, fibers, and superplasticizer or antishrinkage admixtures. During the elaboration, the method of fabrication created significant vertical variations in the water content, especially in the thick blocks from which were cut the 4×4×70 cm test pieces used in the shrinkage measurements. The first part of the article presented in detail the materials, the formula adjustments, estimates of the rates of hydration and carbonation, and the various measurements. This second part is devoted the models retained for the description of the evolution of the characteristics of these products as well as simulation involving a likely cracking index.
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