MANUFACTURING METHOD OF CONCRETE AND CONCRETE

PROBLEM TO BE SOLVED: To provide a manufacturing method of concrete excellent in material separation resistance and capable of suppressing bleeding while maintaining flowability suitable at concrete placing without needs of a dedicated facility, device and the like.SOLUTION: There is provided a manu...

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Hauptverfasser:	YOSHIDA ATSUSHI, OGAWA TOSHIHIRO, NAMIKI KENJI, KAMISHIRO TAIDO, SAITOH KANAME
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a manufacturing method of concrete excellent in material separation resistance and capable of suppressing bleeding while maintaining flowability suitable at concrete placing without needs of a dedicated facility, device and the like.SOLUTION: There is provided a manufacturing method of concrete including adding, to fresh concrete, (A) a diutan gum, (B) a water-soluble polymer having a polyalkylene oxide chain and a stringiness length L of 0.5 mass% solution at 20°C of 5 to 200 mm and (C) a water-reducing agent.