THICKENER FOR UNDERWATER CONCRETE AND METHOD FOR PLACING UNDERWATER CONCRETE USING THE SAME

THICKENER FOR UNDERWATER CONCRETE AND METHOD FOR PLACING UNDERWATER CONCRETE USING THE SAME

PROBLEM TO BE SOLVED: To provide a thickener for underwater concrete in which the addition amount required for allowing underwater concrete to exhibit non-separability can be reduced, and a method for placing underwater concrete using the same.SOLUTION: Provided is a thickener for underwater concret...

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Bibliographische Detailangaben
Hauptverfasser: YASUNO KOICHIRO, KAJITA YUGO, SAWADA TAKUMI
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 thickener for underwater concrete in which the addition amount required for allowing underwater concrete to exhibit non-separability can be reduced, and a method for placing underwater concrete using the same.SOLUTION: Provided is a thickener for underwater concrete obtained by mixing, to 100 pts.wt. of a cellulose component, a sodium carbonate salt or a calcium carbonate salt at 5 to 15 pts.wt. and an antifoamer at a ratio of 5 to 15 pts.wt.