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An Ideal Solid Solution Model for C-S-H

Published

Author(s)

Jeffrey W. Bullard, George W. Scherer

Abstract

A model for an ideal solid solution, developed by Nourtier-Mazauric et al. [Oil & Gas Sci. Tech. Rev. IFP, 60 [2] (2005) 401], is applied to calcium-silicate-hydrate (C-S-H). Fitting the model to solubility data for C-S-H yields reasonable values for the compositions of the end-members of the solid solution, and for their equilibrium constants. This model will be useful for modeling the hydration kinetics of Portland cement, because it predicts the calcium/silica ratio of the product that forms as the composition of the aqueous solution varies with time.
Citation
Journal of the American Ceramic Society
Volume
99
Issue
12

Keywords

solubility, cement, equilibrium constant, solid solution

Citation

Bullard, J. and Scherer, G. (2016), An Ideal Solid Solution Model for C-S-H, Journal of the American Ceramic Society, [online], https://doi.org/10.1111/jace.14493 (Accessed March 2, 2024)
Created December 30, 2016, Updated November 10, 2018