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The paper gives an account of the results collected through a wide laboratory and industrial investigation carried out in order to show in which way the compressive strength and the heat of hydration are controlled by a large number of manufacture parameters, such as glass content of the slag, grinding fineness, and gypsum amount of the blended cement. Besides, the results show that the resistance to sulfates and to alkali-aggregate reaction remain very strong, if the slag percentages in the cement is high, irrespective of gypsum content and grinding fineness of the blended cement as well as of the glass amount of the slag.
portland blast-furnace slag cement, portland cement, compressive strength, sulfate resistance, alkali-aggregate reaction, heat of hydration, gypsum content, glass content, fineness
Director of Research and Control, Cementir-Cementerie del Tirreno, Naples,