EARLY STRENGTH DEVELOPMENT TYPE, HIGH-FLUIDITY, LOW-HEAT, HIGH-DURABILITY, AND CARBON DIOXIDE REDUCTION TYPE CONCRETE COMPOSITION

摘要

An early strength development type, high-fluidity, low-heat, high-durability, and carbon dioxide reduction type concrete composition of the present invention comprises: 10 to 40 parts by weight of fly ash; 10 to 40 parts by weight of Portland cement; 10 to 40 parts by weight of calcium carbonate; 5 to 20 parts by weight of crushed stone powder; 1 to 10 parts by weight of an activator; and 1 to 3 parts by weigh of a superplasticizer, on the basis of 100 parts by weight of ground granulated blast furnace slag (GGBFS).