A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CEMENT FOR REDUCING CARBON DIOXIDE EMISSION, CEMENT COMPOSITION, AND CEMENTITIOUS HARDENED BODY
To provide a cement or the like which emits less carbon dioxide in the cement production.SOLUTION: A carbon dioxide emission reduction cement according to the present invention comprises a calcined product comprising the following (a) to (c), and one or more mixtures selected from blast furnace slag fine powder, limestone fine powder, fly ash, fresh concrete sludge, and waste concrete fine powder. (a) 0-15 pts.mass of 3CaO-Al2O3 to 100 pts.mass of 2CaO-SiO2, (b) 10-100 pts.mass in total of 2CaO-Al2O3-SiO2 and 4CaO-Al2O3-Fe2O3 to 100 pts.mass of 2CaO-SiO2, (c) 0-210 pts.mass of 4CaO-Al2O3-Fe2O3 to 100 pts.mass of 2CaO-Al2O3-SiO2.SELECTED DRAWING: None
【課題】本発明は、セメントの製造時において、二酸化炭素の排出量がより少ないセメント等を提供する。【解決手段】本発明は、下記（ａ）～（ｃ）を含む焼成物、並びに、高炉スラグ微粉末、石灰石微粉末、フライアッシュ、生コンクリートスラッジ、および廃コンクリート微粉末から選ばれる１種以上の混合材を含む、二酸化炭素排出低減セメントである。（ａ）２ＣａＯ・ＳｉＯ２１００質量部に対し、３ＣａＯ・Ａｌ２Ｏ３を０～１５質量部（ｂ）２ＣａＯ・ＳｉＯ２１００質量部に対し、２ＣａＯ・Ａｌ２Ｏ３・ＳｉＯ２および４ＣａＯ・Ａｌ２Ｏ３・Ｆｅ２Ｏ３を合計で１０～１００質量部（ｃ）２ＣａＯ・Ａｌ２Ｏ３・ＳｉＯ２１００質量部に対し、４ＣａＯ・Ａｌ２Ｏ３・Ｆｅ２Ｏ３を０～２１０質量部【選択図】なし
CEMENT FOR REDUCING CARBON DIOXIDE EMISSION, CEMENT COMPOSITION, AND CEMENTITIOUS HARDENED BODY
To provide a cement or the like which emits less carbon dioxide in the cement production.SOLUTION: A carbon dioxide emission reduction cement according to the present invention comprises a calcined product comprising the following (a) to (c), and one or more mixtures selected from blast furnace slag fine powder, limestone fine powder, fly ash, fresh concrete sludge, and waste concrete fine powder. (a) 0-15 pts.mass of 3CaO-Al2O3 to 100 pts.mass of 2CaO-SiO2, (b) 10-100 pts.mass in total of 2CaO-Al2O3-SiO2 and 4CaO-Al2O3-Fe2O3 to 100 pts.mass of 2CaO-SiO2, (c) 0-210 pts.mass of 4CaO-Al2O3-Fe2O3 to 100 pts.mass of 2CaO-Al2O3-SiO2.SELECTED DRAWING: None
【課題】本発明は、セメントの製造時において、二酸化炭素の排出量がより少ないセメント等を提供する。【解決手段】本発明は、下記（ａ）～（ｃ）を含む焼成物、並びに、高炉スラグ微粉末、石灰石微粉末、フライアッシュ、生コンクリートスラッジ、および廃コンクリート微粉末から選ばれる１種以上の混合材を含む、二酸化炭素排出低減セメントである。（ａ）２ＣａＯ・ＳｉＯ２１００質量部に対し、３ＣａＯ・Ａｌ２Ｏ３を０～１５質量部（ｂ）２ＣａＯ・ＳｉＯ２１００質量部に対し、２ＣａＯ・Ａｌ２Ｏ３・ＳｉＯ２および４ＣａＯ・Ａｌ２Ｏ３・Ｆｅ２Ｏ３を合計で１０～１００質量部（ｃ）２ＣａＯ・Ａｌ２Ｏ３・ＳｉＯ２１００質量部に対し、４ＣａＯ・Ａｌ２Ｏ３・Ｆｅ２Ｏ３を０～２１０質量部【選択図】なし
CEMENT FOR REDUCING CARBON DIOXIDE EMISSION, CEMENT COMPOSITION, AND CEMENTITIOUS HARDENED BODY
二酸化炭素排出低減セメント、セメント組成物、およびセメント質硬化体
HASHIMOTO MASAYUKI (author) / OGI YOSHIFUMI (author) / KOBAYASHI KAZUKI (author) / HOSOKAWA YOSHIFUMI (author)
2023-12-26
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
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