The effect of curing temperature on the hydration of binary Portland cement
作者： Martin T. Palou , Eva Kuzielová , Matúš Žemlička , Martin Boháč , Radoslav Novotný
DOI: 10.1007/S10973-016-5395-9
关键词: Portland cement 、 Materials science 、 Metakaolin 、 Ground granulated blast-furnace slag 、 Composite material 、 Atmospheric temperature range 、 Pozzolanic activity 、 Curing (chemistry) 、 Relative mass
摘要: The effect of curing temperatures on the hydration two binary systems comprising Portland cement (PC) blended by metakaolin (MK) and blast-furnace slag (BFS) in relative mass ratios (6/4, 5/5) was studied means isothermal calorimetry combined TG/DSC technique temperature range 30–60 °C. Higher accelerated initial reactions, especially case more reactive MK-blended samples. However, except lower replacement level PC BFS, all other samples displayed slowdown at later stages. use MK together with 50 60 °C even resulted ultimate degree after 48 h when compared corresponding cured 30 °C. Deceleration higher demonstrated mainly decreasing amount CSH phases. Pozzolanic activity supplemental materials affected less than primary reactions.
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