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- W3026694629 abstract "The use of some superplasticizers in the production of mortar or concrete influences the hydration kinetic and the amount of total heat. This results in a modification of some properties, namely mortar workability, mechanical strength and durability. Three superplasticizers were used; a polynaphthalenesulfonate (PNS), a melamine resin (PMS) and a polycarboxylate (PC). They have been incorporated into various amount in a standardized mortar based on limestone cement. The aim of this study was to evaluate the rheological, mechanical and Calorimeters properties of this mortar. This will select the most compatible product and more able to be used depending on the climate of the country and the cement used. The PNS is incompatible with this type of cement registering a decrease of strength but the PMS and the PC modify the kinetics of hydration with significant heat generation and improved mechanical strength. The measured heat flow is significantly influenced by the type and dosage of superplasticizer especially for low dosage. Hydration heat and compressive strength of the different mixtures can be evaluated by determining their ultimate values and ages to reach these values where the correlation coefficients are very satisfactory." @default.
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- W3026694629 date "2018-12-01" @default.
- W3026694629 modified "2023-09-28" @default.
- W3026694629 title "Predicted of hydration heat and compressive strength of limestone cement mortar with different type of superplasticizer" @default.
- W3026694629 doi "https://doi.org/10.12989/acc.2018.6.6.659" @default.
- W3026694629 hasPublicationYear "2018" @default.
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