Cement composition
AssigneeDenki Kagaku Kogyo Kabushiki Kaisha
InventorsMinoru Morioka, Yasuhiro Nakashima, Takayuki Higuchi, Mitsuo Takahashi
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Abstract
A cement composition of an environmental impact reducing type, used in the field of civil engineering and construction, which provides initial strength-development equal to that of ordinary Portland cement and which can reduce the clinker calcination amount, is provided. A cement composition containing Portland cement having a 3CaO.SiO2 content of at least 60% and a slowly cooled blast furnace slag powder, wherein the content of the slowly cooled blast furnace slag powder is from 10 to 50 parts per 100 parts of the cement composition.
Claims8
A cement composition containing Portland cement having a 3CaO.SiO2 content of at least 60% and a slowly cooled blast furnace slag powder.
The cement composition, wherein the slowly cooled blast furnace slag powder is contained in an amount of from 10 to 50 parts in a total amount of 100 parts of the slowly cooled blast furnace slag powder and the Portland cement.
Dependencies are inferred from the claim text.