A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CEMENT COMPOSITION FOR CARBONATED BURIED FORMWORK, BINDER FOR CARBONATED BURIED FORMWORK, HYDRAULIC COMPOSITION FOR CARBONATED BURIED FORMWORK, AND CARBONATED BURIED FORMWORK
To provide a cement composition for a carbonated buried formwork, a carbonated buried formwork, etc. in which strength and salt-blocking property are improved by carbonation.SOLUTION: The present invention relates to a cement composition for a carbonated buried formwork, etc. containing 0 to 75 mass% of a Portland cement clinker A, 25 to 100 mass% of a clinker B containing the following minerals at a ratio of the following (a) and (b), and 1 to 5 pts.mass of gypsum in terms of SO3 with respect to the total of 100 pts.mass of the clinker A and clinker B. (a) 0 to 15 pts.mass of 3CaO*Al2O3 is contained with respect to 100 pts.mass of 2CaO*SiO2, and the total of 10 to 100 pts.mass of 2CaO*Al2O3s*SiO2, and 4CaO*Al2O3*Fe2O3 are contained. (b) 0 to 210 pts.mass of 4CaO*Al2O3*Fe2O3 is contained with respect to 100 pts.mass of 2CaO*Al2O3*SiO2.SELECTED DRAWING: None
【課題】本発明は、炭酸化により強度および遮塩性が向上する、炭酸化埋設型枠用セメント組成物および炭酸化埋設型枠等を提供する。【解決手段】本発明は、ポルトランドセメントクリンカＡを０～７５質量％、下記鉱物を下記（ａ）および（ｂ）の割合で含むクリンカＢを２５～１００質量％、並びに、石膏を前記クリンカＡおよびクリンカＢの合計１００質量部に対し、ＳＯ３換算で１～５質量部を含む、炭酸化埋設型枠用セメント組成物等である。（ａ）２ＣａＯ・ＳｉＯ２１００質量部に対し、３ＣａＯ・Ａｌ２Ｏ３を０～１５質量部、並びに、２ＣａＯ・Ａｌ２Ｏ３s・ＳｉＯ２および４ＣａＯ・Ａｌ２Ｏ３・Ｆｅ２Ｏ３を合計で１０～１００質量部（ｂ）２ＣａＯ・Ａｌ２Ｏ３・ＳｉＯ２１００質量部に対し、４ＣａＯ・Ａｌ２Ｏ３・Ｆｅ２Ｏ３を０～２１０質量部【選択図】なし
CEMENT COMPOSITION FOR CARBONATED BURIED FORMWORK, BINDER FOR CARBONATED BURIED FORMWORK, HYDRAULIC COMPOSITION FOR CARBONATED BURIED FORMWORK, AND CARBONATED BURIED FORMWORK
To provide a cement composition for a carbonated buried formwork, a carbonated buried formwork, etc. in which strength and salt-blocking property are improved by carbonation.SOLUTION: The present invention relates to a cement composition for a carbonated buried formwork, etc. containing 0 to 75 mass% of a Portland cement clinker A, 25 to 100 mass% of a clinker B containing the following minerals at a ratio of the following (a) and (b), and 1 to 5 pts.mass of gypsum in terms of SO3 with respect to the total of 100 pts.mass of the clinker A and clinker B. (a) 0 to 15 pts.mass of 3CaO*Al2O3 is contained with respect to 100 pts.mass of 2CaO*SiO2, and the total of 10 to 100 pts.mass of 2CaO*Al2O3s*SiO2, and 4CaO*Al2O3*Fe2O3 are contained. (b) 0 to 210 pts.mass of 4CaO*Al2O3*Fe2O3 is contained with respect to 100 pts.mass of 2CaO*Al2O3*SiO2.SELECTED DRAWING: None
【課題】本発明は、炭酸化により強度および遮塩性が向上する、炭酸化埋設型枠用セメント組成物および炭酸化埋設型枠等を提供する。【解決手段】本発明は、ポルトランドセメントクリンカＡを０～７５質量％、下記鉱物を下記（ａ）および（ｂ）の割合で含むクリンカＢを２５～１００質量％、並びに、石膏を前記クリンカＡおよびクリンカＢの合計１００質量部に対し、ＳＯ３換算で１～５質量部を含む、炭酸化埋設型枠用セメント組成物等である。（ａ）２ＣａＯ・ＳｉＯ２１００質量部に対し、３ＣａＯ・Ａｌ２Ｏ３を０～１５質量部、並びに、２ＣａＯ・Ａｌ２Ｏ３s・ＳｉＯ２および４ＣａＯ・Ａｌ２Ｏ３・Ｆｅ２Ｏ３を合計で１０～１００質量部（ｂ）２ＣａＯ・Ａｌ２Ｏ３・ＳｉＯ２１００質量部に対し、４ＣａＯ・Ａｌ２Ｏ３・Ｆｅ２Ｏ３を０～２１０質量部【選択図】なし
CEMENT COMPOSITION FOR CARBONATED BURIED FORMWORK, BINDER FOR CARBONATED BURIED FORMWORK, HYDRAULIC COMPOSITION FOR CARBONATED BURIED FORMWORK, AND CARBONATED BURIED FORMWORK
炭酸化埋設型枠用セメント組成物、炭酸化埋設型枠用結合材、炭酸化埋設型枠用水硬性組成物、および炭酸化埋設型枠
MIZOGUCHI MANAMI (author) / KONO KATSUYA (author)
2024-07-09
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
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