method for preparation of cement mortar, which included both as a portlandcementmateriaal aluminous cement, slag cement and concrete objects.according to this method, obtained from the prepared mortar.

摘要

Aluminous cements are disclosed containing tricalcium silicate. The tricalcium silicate acts as a delayed-action water-binding agent, which removes water from cement mortars in excess of that required to hydrate aluminous cement to the stable crystalline form of tricalcium aluminate hexahydrate.