FLY ASH FOR CEMENT CURED BODY

FLY ASH FOR CEMENT CURED BODY

PROBLEM TO BE SOLVED: To provide fly ash for cement cured body that is capable of obtaining stable and rapid coagulation of cement without inhibiting the curing of cement. SOLUTION: The fly ash for the cement cured body is obtained by dispersing 250 pts.wt. of the fly ash in 500 pts.wt. of water wit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HONDA SUMIO, TANABE SHINKICHI
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
LIME, MAGNESIA
METALLURGY
REFRACTORIES
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
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide fly ash for cement cured body that is capable of obtaining stable and rapid coagulation of cement without inhibiting the curing of cement. SOLUTION: The fly ash for the cement cured body is obtained by dispersing 250 pts.wt. of the fly ash in 500 pts.wt. of water with stirring and adjusting the pH of the filtrate, which is obtained immediately after the stirring, to 6 or higher. Also, the fly ash for the cement cured body is obtained by dispersing 250 pts.wt. of the fly ash in 500 pts.wt. of water with stirring and adjusting the degree of pH change (B)/(A), which is acquired between the pH(A) of the filtrate obtained immediately after the stirring and the pH(B) of the filtrate obtained 30 minutes after being left to stand subsequently to the stirring, to 1.2 or less. COPYRIGHT: (C)2005,JPO&NCIPI