A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CEMENT-BASED SOLIDIFYING MATERIAL COMPOSITION
To provide a cement-based solidifying material composition that solves the problem that the conventional cement-based solidifying material determines the fluidity using the average particle size as an indicator, but the fluidity of the solidifying material slurry cannot be appropriately evaluated only by the average particle size.SOLUTION: Provided is a cement-based solidifying material composition which is a mixture or mixed pulverized product of cement, blast furnace slag fine powder, and gypsum, and in which, by evaluating the fluidity of the cement-based solidifying material slurry using different parameters in the cumulative ratio of particle size distribution as indicators, the particle size distribution ratio D50/D10% is made to be 4.0 or more and/or the particle size curvature distribution ratio D50/D10×D70% is made to be 2.5 or more.SELECTED DRAWING: Figure 1
【課題】従来のセメント系固化材は平均粒径を指標にして流動性を判断しているが、平均粒径だけでは固化材スラリーの流動性を適切に評価することができない。【解決手段】粒度分布の累積率における異なったパラメーターを指標にして該セメント系固化材スラリーの流動性を評価し、セメント、高炉スラグ微粉末、および石膏の混合物または混合粉砕物であり、その粒度分布率Ｄ５０／Ｄ１０％が４.０以上になるようにし、および／または、その粒度曲率分布率Ｄ５０２／Ｄ１０・Ｄ７０％が２.５以上になるようにしたセメント系固化材組成物。【選択図】図１
CEMENT-BASED SOLIDIFYING MATERIAL COMPOSITION
To provide a cement-based solidifying material composition that solves the problem that the conventional cement-based solidifying material determines the fluidity using the average particle size as an indicator, but the fluidity of the solidifying material slurry cannot be appropriately evaluated only by the average particle size.SOLUTION: Provided is a cement-based solidifying material composition which is a mixture or mixed pulverized product of cement, blast furnace slag fine powder, and gypsum, and in which, by evaluating the fluidity of the cement-based solidifying material slurry using different parameters in the cumulative ratio of particle size distribution as indicators, the particle size distribution ratio D50/D10% is made to be 4.0 or more and/or the particle size curvature distribution ratio D50/D10×D70% is made to be 2.5 or more.SELECTED DRAWING: Figure 1
【課題】従来のセメント系固化材は平均粒径を指標にして流動性を判断しているが、平均粒径だけでは固化材スラリーの流動性を適切に評価することができない。【解決手段】粒度分布の累積率における異なったパラメーターを指標にして該セメント系固化材スラリーの流動性を評価し、セメント、高炉スラグ微粉末、および石膏の混合物または混合粉砕物であり、その粒度分布率Ｄ５０／Ｄ１０％が４.０以上になるようにし、および／または、その粒度曲率分布率Ｄ５０２／Ｄ１０・Ｄ７０％が２.５以上になるようにしたセメント系固化材組成物。【選択図】図１
CEMENT-BASED SOLIDIFYING MATERIAL COMPOSITION
セメント系固化材組成物
KIYOTA MASATO (author) / KAMIYA YUZO (author)
2019-10-10
Patent
Electronic Resource
Japanese
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