CEMENT ADMIXTURE, CEMENT COMPOSITION, AND CEMENT MORTAR USING THEM

PROBLEM TO BE SOLVED: To provide a cement admixture, a cement composition, and a cement mortar using them, in which viscosity is low, there is not aggregate separation, workability is favorable, curing is performed in a short time, and a longer age strength is achieved.SOLUTION: A cement admixture i...

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Bibliographic Details
Main Authors KIDA TSUTOMU, HIGUCHI TAKAYUKI, SHOJI SHIN
Format Patent
LanguageEnglish
Published 30.01.2014
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
PERFORMING OPERATIONS
PREPARING CLAY
PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL,e.g. PLASTER
REFRACTORIES
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
WORKING CEMENT, CLAY, OR STONE
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Summary:PROBLEM TO BE SOLVED: To provide a cement admixture, a cement composition, and a cement mortar using them, in which viscosity is low, there is not aggregate separation, workability is favorable, curing is performed in a short time, and a longer age strength is achieved.SOLUTION: A cement admixture includes: a quick hardening material including calcium aluminate glass or calcium aluminosilicate glass, and gypsum; a setting retarder; spherical silica; colloidal silica; and calcium hydroxide. A cement composition includes: cement; the cement admixture including the quick hardening, the setting retarder, spherical silica, colloidal silica, and calcium hydroxide; and an aggregate. A production method of cement mortar comprises blending: a binding material including the cement and the quick hardening material; the setting retarder; the spherical silica; the colloidal silica; calcium hydroxide; the aggregate; and water.
Bibliography:Application Number: JP20120154313