ISSN 0862-5468 (Print), ISSN 1804-5847 (online) 

Ceramics-Silikáty 43, (1) 23 - 28 (1999)

Klimešová Šárka, Škvára František
Department of Glass and Ceramics, Institute of Chemical Technology, Technická 5, 166 28 Prague 6

Blended gypsum binder comprising β-CaSO₄.1/2H₂O and small proportions of a mixture of Portland cement and ground fly ash, or ground blast-furnace slag, is a binding agent with distinct hydraulic properties which shows strength increments also when cured in water. The hydraulic features of the blended gypsum binder are due to formation of less soluble ettringite-type phases and the C-S-H phase on the surface of gypsum crystals.

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