Cement admixture
AssigneeTaiheiyo Cement Corporation
InventorsDaisuke Sawaki, Shuuichi Harasawa, Kenichi Honma, Makihiko Ichikawa
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Abstract
A burned product containing 100 parts by weight of C2S, 10 to 100 parts by weight of C2AS, and 20 parts by weight or less of C3A; a cement admixture prepared by grinding the burned product; and a cement containing 100 parts by weight of ground portland cement clinker and 5 to 100 parts by weight of a ground product of the burned product. Through use of a cement admixture produced by grinding the burned product of the present invention, cement products exhibiting low heat of hydration and good fluidity can be obtained.
Claims8
A burned product containing 100 parts by weight of C2S, 10 to 100 parts by weight of C2AS, and 20 or less parts by weight of C3A.
A cement admixture containing 100 parts by weight of a ground product of a burned product as recited in any one of claims 1 through 4 and 1 to 6 parts by weight, as calculated on an SO3 basis, of gypsum.
Dependencies are inferred from the claim text.