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A platform for research: civil engineering, architecture and urbanism
CEMENT CLINKER AND CEMENT COMPOSITION
To provide cement clinker and a cement composition that can reduce heat of hydration and are excellent in short term strength development.SOLUTION: There is provided cement clinker characterized in that the ratio of C3S calculated by a Bogue formula is 50 to 75 mass%, the ratio of C2S calculated by a Bogue formula is 5 to 25 mass%, the total ratio of C3A and C4AF calculated by the Bogue formula is 15 to 22 mass%, furthermore, MgO, TiO2, MnO, and ZnO are contained, and the following formula (1) is satisfied: CMg-C3A×CTi-C3A×CMn-C3A×CZn-C3A≤0.0010 (1). In the formula (1), CMg-C3A represents a content (mass%) of MgO in C3A, CTi-C3A represents a content (mass%) of TiO2 in C3A, CMn-C3A represents a content (mass%) of MnO in C3A, and CZn-C3A represents ZnO in C3A.SELECTED DRAWING: None
【課題】水和熱を低減させることができるとともに、短期強度発現性に優れるセメントクリンカ及びセメント組成物を提供する。【解決手段】ボーグ式で算出されたＣ３Ｓの割合が５０〜７５質量％であり、ボーグ式で算出されたＣ２Ｓの割合が５〜２５質量％であり、ボーグ式で算出されたＣ３Ａ及びＣ４ＡＦの合計の割合が１５〜２２質量％であり、ＭｇＯ、ＴｉＯ２、ＭｎＯ及びＺｎＯを含み、下記式（１）を満たす、セメントクリンカ。ＣＭｇ−Ｃ３Ａ×ＣＴｉ−Ｃ３Ａ×ＣＭｎ−Ｃ３Ａ×ＣＺｎ−Ｃ３Ａ≦０．００１０ ・・・（１）式（１）中、ＣＭｇ−Ｃ３Ａは、Ｃ３Ａ中のＭｇＯの含有率（質量％）を表し、ＣＴｉ−Ｃ３Ａは、Ｃ３Ａ中のＴｉＯ２の含有率（質量％）を表し、ＣＭｎ−Ｃ３Ａは、Ｃ３Ａ中のＭｎＯの含有率（質量％）を表し、ＣＺｎ−Ｃ３Ａは、Ｃ３Ａ中のＺｎＯの含有率（質量％）を表す。【選択図】なし
CEMENT CLINKER AND CEMENT COMPOSITION
To provide cement clinker and a cement composition that can reduce heat of hydration and are excellent in short term strength development.SOLUTION: There is provided cement clinker characterized in that the ratio of C3S calculated by a Bogue formula is 50 to 75 mass%, the ratio of C2S calculated by a Bogue formula is 5 to 25 mass%, the total ratio of C3A and C4AF calculated by the Bogue formula is 15 to 22 mass%, furthermore, MgO, TiO2, MnO, and ZnO are contained, and the following formula (1) is satisfied: CMg-C3A×CTi-C3A×CMn-C3A×CZn-C3A≤0.0010 (1). In the formula (1), CMg-C3A represents a content (mass%) of MgO in C3A, CTi-C3A represents a content (mass%) of TiO2 in C3A, CMn-C3A represents a content (mass%) of MnO in C3A, and CZn-C3A represents ZnO in C3A.SELECTED DRAWING: None
【課題】水和熱を低減させることができるとともに、短期強度発現性に優れるセメントクリンカ及びセメント組成物を提供する。【解決手段】ボーグ式で算出されたＣ３Ｓの割合が５０〜７５質量％であり、ボーグ式で算出されたＣ２Ｓの割合が５〜２５質量％であり、ボーグ式で算出されたＣ３Ａ及びＣ４ＡＦの合計の割合が１５〜２２質量％であり、ＭｇＯ、ＴｉＯ２、ＭｎＯ及びＺｎＯを含み、下記式（１）を満たす、セメントクリンカ。ＣＭｇ−Ｃ３Ａ×ＣＴｉ−Ｃ３Ａ×ＣＭｎ−Ｃ３Ａ×ＣＺｎ−Ｃ３Ａ≦０．００１０ ・・・（１）式（１）中、ＣＭｇ−Ｃ３Ａは、Ｃ３Ａ中のＭｇＯの含有率（質量％）を表し、ＣＴｉ−Ｃ３Ａは、Ｃ３Ａ中のＴｉＯ２の含有率（質量％）を表し、ＣＭｎ−Ｃ３Ａは、Ｃ３Ａ中のＭｎＯの含有率（質量％）を表し、ＣＺｎ−Ｃ３Ａは、Ｃ３Ａ中のＺｎＯの含有率（質量％）を表す。【選択図】なし
CEMENT CLINKER AND CEMENT COMPOSITION
セメントクリンカ及びセメント組成物
SHIMIZU JUN (author) / YAMADA AKIRA (author) / YAMAGATA KYOSUKE (author) / SATO YUKI (author) / NASU HIDEYUKI (author)
2021-10-07
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
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