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Conduction calorimetric studies of ternary binders based on Portland cement, calcium aluminate cement and calcium sulphate
Torrens Martín, David; Fernández Carrasco, Lucía; Blanco Varela, M.Teresa
Universitat Politècnica de Catalunya. Departament de Construccions Arquitectòniques I; Universitat Politècnica de Catalunya. LiTA - Laboratori d'Innovació i Tecnologia en l'Arquitectura
Different binders of Portland cement, calcium aluminate cement and calcium sulphate (PC/CAC/CS) have been investigated to determinate the in¿uence the CAC and CS amount in the reactions mechanism. Several mixtures were studied, ratios of 100, 85/15 and 75/25 of PC/CAC with 0, 3 and 5 % of CS. Conduction calorimetric technique was used to follow the hydration during 100 h. The XRD and FTIR techniques were used as support in the analysis of the hydration products. The results have shown that the studied ternary systems form an extra amount of ettringite, and changes in the reactions mechanism with respect to a PC. The reactions mechanism depends on the CAC and CS amount present in the different binders.
Peer Reviewed
Àrees temàtiques de la UPC::Edificació::Materials de construcció::Ciment
Alumina cement
Portland cement
Portland cement
Calcium aluminate cement
Calcium sulphate
Ternary Systems
Reaction mechanisms
Ciment aluminós
Ciment pòrtland

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