A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CEMENT ADMIXTURE, CEMENT COMPOSITION, AND CEMENT CURED BODY
PROBLEM TO BE SOLVED: To provide a cement admixture that has an excellent function as a cement admixture (that particularly suppresses neutralization and autogenous shrinkage and has enhanced strength) and is capable of enhancing recycling of granular slag.SOLUTION: The cement admixture of the present invention includes a slag fine powder derived from steelmaking slag. The cement admixture includes less than 2.0 mass% of F, 33 to 53 mass% of CaO, 20 to 35 mass% of SiO, 3 to 16 mass% of AlO, and 5 to 10 mass% of MgO, and has a basicity (CaO/SiO) of 1.0 to 2.1 and a specific surface area of 4800 to 8000 cm/g.SELECTED DRAWING: None
【課題】セメント混和材としての機能に優れ（特に、中性化及び自己収縮を抑制し且つ強度を高め）、粒状スラグの再資源化を高めることが可能なセメント混和材を提供する【解決手段】本発明のセメント混和材は、製鋼スラグ由来のスラグ微粉末からなる。このセメント混和材は、２．０質量％未満のＦ、３３〜５３質量％のＣａＯ、２０〜３５質量％のＳｉＯ２、３〜１６質量％のＡｌ２Ｏ３及び５〜１０質量％のＭｇＯを含み、塩基度（ＣａＯ／ＳｉＯ２）が１．０〜２．１であり、比表面積が４８００〜８０００ｃｍ２／ｇである。【選択図】なし
CEMENT ADMIXTURE, CEMENT COMPOSITION, AND CEMENT CURED BODY
PROBLEM TO BE SOLVED: To provide a cement admixture that has an excellent function as a cement admixture (that particularly suppresses neutralization and autogenous shrinkage and has enhanced strength) and is capable of enhancing recycling of granular slag.SOLUTION: The cement admixture of the present invention includes a slag fine powder derived from steelmaking slag. The cement admixture includes less than 2.0 mass% of F, 33 to 53 mass% of CaO, 20 to 35 mass% of SiO, 3 to 16 mass% of AlO, and 5 to 10 mass% of MgO, and has a basicity (CaO/SiO) of 1.0 to 2.1 and a specific surface area of 4800 to 8000 cm/g.SELECTED DRAWING: None
【課題】セメント混和材としての機能に優れ（特に、中性化及び自己収縮を抑制し且つ強度を高め）、粒状スラグの再資源化を高めることが可能なセメント混和材を提供する【解決手段】本発明のセメント混和材は、製鋼スラグ由来のスラグ微粉末からなる。このセメント混和材は、２．０質量％未満のＦ、３３〜５３質量％のＣａＯ、２０〜３５質量％のＳｉＯ２、３〜１６質量％のＡｌ２Ｏ３及び５〜１０質量％のＭｇＯを含み、塩基度（ＣａＯ／ＳｉＯ２）が１．０〜２．１であり、比表面積が４８００〜８０００ｃｍ２／ｇである。【選択図】なし
CEMENT ADMIXTURE, CEMENT COMPOSITION, AND CEMENT CURED BODY
セメント混和材、セメント組成物及びセメント硬化体
KATAYAMA KENICHI (author) / O RYO (author) / TAKAUMI KATSUHIKO (author) / MINATO SHINSUKE (author)
2017-12-21
Patent
Electronic Resource
Japanese
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