MIXTURE OF REFINED FLY ASH AND SLAG POWDER AND CONCRETE PREPARED BY USING THE SAME

摘要

PURPOSE: A mixture of refined fly ash and slag powder is provided, which has increased long term strength, lowered heat of hydration, excellent chemical resistance, seawater resistance, heat-proof property, water-proof property and stability. And concrete prepared by using the same is prepared. CONSTITUTION: The mixture is prepared by mixing refined fly ash prepared by first refining the fly ash that is produced by the combustion of soft coal, with slag powder prepared by finely breaking the slag generated from an iron manufacturing process, in a weight ratio of 1:1-2. The concrete comprises the mixture of the refined fly ash and the slag powder, cement, sand, gravel, water and other mixtures.