| 摘要 |
<p>PURPOSE:To provide hydraulic cement having low heat release property and improved in early strength. CONSTITUTION:The objective hydraulic cement consisting of 40-90wt.% portland cement having 50-95wt.% CPS content, 8-50wt.% blast furnace slag powder and 2-10wt.% powder containing calcium hydroxide as a main ingredient and/or powder containing calcium sulfate as a main ingredient, having 3000-6000cm<2>/g Blaine's specific surface area and consisting of >=50wt.% of the above-mentioned hydraulic cement and powder containing >=70wt.&% C2S having high specific surface area of >=5000cm<2>/g.</p> |
