CEMENT CONCRETE MATERIAL FOR SPRAYING, AND SPRAYING METHOD USING THE SAME

• Main Authors: HISAMINATO YUTAKA, TANAKA KENICHI, TOSAKA TOSHIO, IWASAKI MASAHIRO, ISHIDA TSUMORU, KURITA MORIAKI, KUMASAKA HIROO, ISHII TAKU
• Format: Patent
• Language: English
• Published: 19.06.2008
• Subjects: ARTIFICIAL STONE; BUILDING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE; CEMENTS; CERAMICS; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; FIXED CONSTRUCTIONS; FORMS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HANDLING BUILDING MATERIALS ON THE SITE; LIME, MAGNESIA; METALLURGY; REFRACTORIES; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS; SCAFFOLDING; SHUTTERING; SLAG; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT OF NATURAL STONE

PROBLEM TO BE SOLVED: To provide a concrete material for spraying exhibiting high rigidity and high strength in a short time. SOLUTION: The concrete material for spraying is obtained by adding and mixing a set accelerating agent composed of calcium aluminate, alkali metal aluminate and calcium hydroxide into concrete obtained by adding cement with plaster other than plaster in the cement, silica fume, citric acid, potassium carbonate and a water reducing agent by 5 to 20 pts.mass to 100 pts.mass of the cement. COPYRIGHT: (C)2008,JPO&INPIT