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CEMENT CLINKER COMPOSITION AND BLAST FURNACE CEMENT COMPOSITION
PROBLEM TO BE SOLVED: To provide a cement clinker composition that can improve the initial strength development in concrete and mortar using blast furnace cement composition, and to provide a blast furnace cement composition comprising the cement clinker composition.SOLUTION: In the cement clinker composition of the present invention, the proportion of 3CaO-SiOcalculated according to Bogue equation is 50 to 75 mass%, the proportion of 2CaO-SiOcalculated according to Bogue equation is 5 to 25 mass% and the proportion of the sum of 3CaO-AlOand 4CaO-AlO-FeOcalculated according to Bogue equation is 10 to 25 mass%, and MgO, SO, and F are contained, and the content of MgO is 0.5 to 3.0 mass%, the content of SOis 0.3 to 1.5 mass%, the content of F is 100 to 800 mass ppm, and the content of MgO, the content of SO, and the content of F satisfy the relationship of the following formula (1). 200≤(content of MgO (mass%))×(content of F (mass ppm))÷(content of SO(mass%))≤1000 (1). The blast furnace cement composition of the present invention comprises the cement clinker composition of the present invention, a water-granulated blast furnace slag, and gypsum.SELECTED DRAWING: None
【課題】高炉セメント組成物を用いたコンクリートやモルタルにおける初期の強度発現性を向上させることができるセメントクリンカ組成物およびそのセメントクリンカ組成物を含む高炉セメント組成物を提供する。【解決手段】本発明のセメントクリンカ組成物は、ボーグ式で算出された３ＣａＯ・ＳｉＯ２の割合が５０〜７５質量％であり、ボーグ式で算出された２ＣａＯ・ＳｉＯ２の割合が５〜２５質量％であり、ボーグ式で算出された３ＣａＯ・Ａｌ２Ｏ３および４ＣａＯ・Ａｌ２Ｏ３・ＦｅＯ３の合計の割合が１０〜２５質量％であり、ＭｇＯ、ＳＯ３およびＦを含み、ＭｇＯの含有量が０．５〜３．０質量％であり、ＳＯ３の含有量が０．３〜１．５質量％であり、Ｆの含有量が１００〜８００質量ｐｐｍであり、ＭｇＯの含有量、ＳＯ３の含有量およびＦの含有量が下記の式（１）の関係を満たす。２００≦（ＭｇＯの含有量（質量％））×（Ｆの含有量（質量ｐｐｍ））÷（ＳＯ３の含有量（質量％））≦１０００ （１）本発明の高炉セメント組成物は、本発明のセメントクリンカ組成物と、高炉水砕スラグと、石膏とを含む。【選択図】なし
CEMENT CLINKER COMPOSITION AND BLAST FURNACE CEMENT COMPOSITION
PROBLEM TO BE SOLVED: To provide a cement clinker composition that can improve the initial strength development in concrete and mortar using blast furnace cement composition, and to provide a blast furnace cement composition comprising the cement clinker composition.SOLUTION: In the cement clinker composition of the present invention, the proportion of 3CaO-SiOcalculated according to Bogue equation is 50 to 75 mass%, the proportion of 2CaO-SiOcalculated according to Bogue equation is 5 to 25 mass% and the proportion of the sum of 3CaO-AlOand 4CaO-AlO-FeOcalculated according to Bogue equation is 10 to 25 mass%, and MgO, SO, and F are contained, and the content of MgO is 0.5 to 3.0 mass%, the content of SOis 0.3 to 1.5 mass%, the content of F is 100 to 800 mass ppm, and the content of MgO, the content of SO, and the content of F satisfy the relationship of the following formula (1). 200≤(content of MgO (mass%))×(content of F (mass ppm))÷(content of SO(mass%))≤1000 (1). The blast furnace cement composition of the present invention comprises the cement clinker composition of the present invention, a water-granulated blast furnace slag, and gypsum.SELECTED DRAWING: None
【課題】高炉セメント組成物を用いたコンクリートやモルタルにおける初期の強度発現性を向上させることができるセメントクリンカ組成物およびそのセメントクリンカ組成物を含む高炉セメント組成物を提供する。【解決手段】本発明のセメントクリンカ組成物は、ボーグ式で算出された３ＣａＯ・ＳｉＯ２の割合が５０〜７５質量％であり、ボーグ式で算出された２ＣａＯ・ＳｉＯ２の割合が５〜２５質量％であり、ボーグ式で算出された３ＣａＯ・Ａｌ２Ｏ３および４ＣａＯ・Ａｌ２Ｏ３・ＦｅＯ３の合計の割合が１０〜２５質量％であり、ＭｇＯ、ＳＯ３およびＦを含み、ＭｇＯの含有量が０．５〜３．０質量％であり、ＳＯ３の含有量が０．３〜１．５質量％であり、Ｆの含有量が１００〜８００質量ｐｐｍであり、ＭｇＯの含有量、ＳＯ３の含有量およびＦの含有量が下記の式（１）の関係を満たす。２００≦（ＭｇＯの含有量（質量％））×（Ｆの含有量（質量ｐｐｍ））÷（ＳＯ３の含有量（質量％））≦１０００ （１）本発明の高炉セメント組成物は、本発明のセメントクリンカ組成物と、高炉水砕スラグと、石膏とを含む。【選択図】なし
CEMENT CLINKER COMPOSITION AND BLAST FURNACE CEMENT COMPOSITION
セメントクリンカ組成物および高炉セメント組成物
YAMADA AKIRA (author) / MIYAWAKI KENJI (author)
2017-09-28
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
Cement clinker, cement composition, and cement clinker production method
| European Patent Office | 2022
CEMENT CLINKER, CEMENT COMPOSITION, AND CEMENT CLINKER PRODUCTION METHOD
| European Patent Office | 2021