Calcium sulfoaluminate cement composition with improved corrosion resistance

The invention concerns a composition for the production of calcium sulfoaluminate (CSA) reinforced concrete, comprising a calcium sulfoaluminate cement and a passivating salt selected from a nitrite of an alkali or alkaline-earth metal, a nitrate of an alkali or alkaline-earth metal and mixtures the...

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Bibliographic Details
Main Authors TORTELLI, Sergio, MARCHI, Maurizio Iler, LORENZI, Sergio, PASTORE, Tommaso
Format Patent
LanguageEnglish
Published 25.02.2021
Subjects
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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Summary:The invention concerns a composition for the production of calcium sulfoaluminate (CSA) reinforced concrete, comprising a calcium sulfoaluminate cement and a passivating salt selected from a nitrite of an alkali or alkaline-earth metal, a nitrate of an alkali or alkaline-earth metal and mixtures thereof, wherein the molar concentration of the anion of the passivating salt is in the range from 15 to 500 mol per 1 cubic meter (m3) of concrete.
Bibliography:Application Number: AU20180394147