Cement composition for alkali-reactive aggregate and for sulphate resistance

Cement composition for alkali-reactive aggregate and for sulphate resistance

A combination of a class C fly ash having a high analytical content of CaO, and a silica fume, with a hydraulic cement, such as Portland cement, produces concrete with alkali-silica reactive aggregate having acceptable low expansion such as by ASTM C 1260; and also produces sulphate resistance with...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HOPKINS, DONALD STEPHEN, THOMAS, MICHAEL DAVID ARTHUR, CAIL, KEVIN MOIRE, ZACARIAS, PHILIP DE SOUSA, OATES, DAVID BRIDSON
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:A combination of a class C fly ash having a high analytical content of CaO, and a silica fume, with a hydraulic cement, such as Portland cement, produces concrete with alkali-silica reactive aggregate having acceptable low expansion such as by ASTM C 1260; and also produces sulphate resistance with mineral aggregates generally.