| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cement composite and an acid resistant cement concrete which has good initial strength manifestation and good acid resistance and which are used in a civil engineering and construction field. SOLUTION: This comprises a cement composite containing portland cement of 10-30 parts, blast furnace slag of 20-40 parts, fly ash of 10-35 parts, silica fume of 10-20 parts and sulfate of 1-10 parts, the cement composite which contains the portland cement whose C3S content is 60% or more, the cement composite which contains the fly ash whose unburned carbon content is 5% or more, the cement composite which contains the sulfate which is a gypsum and/or aluminium sulfate and an acid resistant cement concrete containing the cement composite and aggregates if necessary.</p> |
