Control of expansion in concrete due to alkali silica reaction

C - Chemistry – Metallurgy – 04 – B

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C04B 14/04 (2006.01) C04B 22/06 (2006.01)

Patent

CA 2220430

A cement composition including spodumene which has been heated to at least 1000 ~C which is capable of inhibiting expansion of the concrete due to the alkali-silica reaction. The present invention also provides a method of reducing expansion in cement compositions.

Composition de ciment comprenant du triphane réchauffé jusqu'à 1000 ·C au moins et capable d'inhiber la dilatation du béton provoquée par la réaction silice-alcalis. L'invention concerne également un procédé de limitation de la dilatation des compositions de ciment.

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