Materiales de Construcción, Vol 37, No 208 (1987)

Influence of Ba2+ and Sr2+ ions on the hydration process of portland cement and blended cements


https://doi.org/10.3989/mc.1987.v37.i208.852

B. M. Živanović
Institute for Testing of Materials, Beograd,

Lj. Petrašinović
Institute for Testing of Materials, Beograd,

T. Milovanović
Cement Plant "Poovac", Popovac, Croatia

Lj. Karanović
Facult. for Geology and Mining, Beograd,

I. Krstanović
Facult. for Geology and Mining, Beograd,

Abstract


This study concerns the influence of the concentration of Sr2+ and Ba2+ ions in mortar batch waters upon the hydration process of various Portland and additive cements.
An increase in the mechanical resistence of said cements is observed, after 28 days, when the concentration of Ba2+ and Sr2+ ions in the mortar batch waters increases. This suggests a possible microstructural explanation of said phenomenon.

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