A Benchmarking of Slag Blended Cement Hydration Models

Several slag-blended cement hydration models widely used in the cement research field are benchmarked in this work, with a focus on their hypothesis, assets and drawbacks. The effect of slag on the hydrating mixture and the hydration products composition and quantities is considered. Different cement hydration models are presented in this study: analytical models such as Chen & Brouwers’ and Kolani's models and generic numerical hydration models as CEMGEMS and VCCTL. Powers’ and Tennis & Jennings’ models are also used for comparison for compositions without slag-substitution. Computed results obtained with these models such as the degree of hydration and the hydration products composition and quantities are compared with experimental results found in the literature.