UNBURNED HARDENED CEMENT, AND PRODUCTION METHOD

PROBLEM TO BE SOLVED: To provide unburned hardened cement in which the saving of energy, the reduction of CO2 generation in the production, and which has sufficient strength after hardening, and to provide a production method therefor. SOLUTION: The unburned hardened cement is obtained by hardening...

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Bibliographische Detailangaben
Hauptverfasser:	UCHIDA KIYOHIKO, FUKUBAYASHI YUKIO
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 unburned hardened cement in which the saving of energy, the reduction of CO2 generation in the production, and which has sufficient strength after hardening, and to provide a production method therefor. SOLUTION: The unburned hardened cement is obtained by hardening a mixture of hydraulic alumina, silica fumes as amorphous silisic acid anhydride or/and a sodium silicate aqueous solution, slaked lime, gypsum, and water by cold curing or steam curing. In the production method therefor, water is added to a combination of the hydraulic alumina, the silica fumes as amorphous silisic acid or/and a sodium silicate aqueous solution, slaked lime and gypsum, and this mixture is poured into a frame, and is hardened by cold curing or steam curing.