| Abstrakt: |
The influence of various inorganic salts, used as additives to Portland cement paste, on strength development was studied. The salts used were: CaCl2, CrCl3, Cdl2. It was found that CaCl2 and CrCl3 accelerate the rate of strength development, while Cdl2 retards it compared to Portland cement without admixtures. No influence by CdCl2 was observed. The effect of the same admixtures on the microstructure of hydrated tricalcium silicate was examined by a scanning electron microscope, and correlation between the morphology of the simple system and the mechanical behaviour of the complex cement system is discussed. |
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