CEMENT CLINKER COMPOSITION, PRODUCTION METHOD THEREOF, AND MODERATE HEAT PORTLAND CEMENT COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide a cement clinker composition used for making a moderate heat Portland cement composition that has good fluidity and exhibits high strength, a production method of the cement clinker composition, and a moderate heat Portland cement composition containing the cement clinker composition.SOLUTION: In a cement clinker composition of the present invention, the tin or tin compound content relative to 1 kg of the cement clinker composition is 40-250 mg in terms of the tin element. The cell volume of β-2CaO.SiOin the cement clinker composition is 347.05×10nmor more. A cement clinker composition production method of the present invention is a production method for producing the cement clinker composition of the present invention. A moderate heat Portland cement composition of the present invention contains the cement clinker composition of the present invention and gypsum.SELECTED DRAWING: None