Abstract
A lime-pozzolan cement was used to make pastes containing different quantities of MSW fly ash. After setting, the pastes were cured in water at room temperature from 1 h to 260 days. The hydration characteristics and the nature of the hydration products of the various pastes were studied by simultaneous TG/DSC thermal analysis and X-ray diffractometry. The MSW fly ash was found to induce a slowing of the hydration process in lime-pozzolan pastes, and after some days an evident acceleration of hydration reactions occurred. Sulphate and chloride in the MSW fly ash yield hydration products forming a cementitious matrix.
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The author is grateful to D. Calabrese for assistance with the thermal and XRD analyses.
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Ubbriaco, P. Hydration behaviour of a lime-pozzolan cement containing MSW incinerator fly ash. Journal of Thermal Analysis 47, 7–16 (1996). https://doi.org/10.1007/BF01982681
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DOI: https://doi.org/10.1007/BF01982681