PRODUCTION OF FLY ASH HAVING LOW SEPARABILITY AND PRODUCTION OF CONCRETE HAVING LOW SEPARABILITY

PURPOSE:To lessen an amount of separation reducing agent in obtaining concrete not requiring compaction. CONSTITUTION:In a method for producing concrete by kneading cement with fly ash, an aggregate, a water reducing agent and water, low separable fly ash obtained by blending fly ash with a separati...

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Bibliographische Detailangaben
Hauptverfasser:	IMAHASHI TAICHI, CHIBA HIROHIDE
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:	PURPOSE:To lessen an amount of separation reducing agent in obtaining concrete not requiring compaction. CONSTITUTION:In a method for producing concrete by kneading cement with fly ash, an aggregate, a water reducing agent and water, low separable fly ash obtained by blending fly ash with a separation reducing agent and grinding (powdering) is used as the fly ash. Consequently, the amount of the separation reducing agent-containing fly ash is extremely large, the separation reducing agent can effectively be dispersed as the low separable fly ash into concrete and sufficient separation reducing effect can be attained with a small amount of the separation reducing used.