Concrete formulation

Details Concrete formulation Concrete formulation

C - Chemistry, Metallurgy

04

B

C04B 38/02 (2006.01) C04B 14/00 (2006.01) C04B 16/00 (2006.01) C04B 24/00 (2006.01)

Patent

CA 2369585

An additive for use in the preparation of lightweight concrete, said additive including a blend of from around 40 % to 99 % of organic polymeric material and from 1 % to around 60 % of an air entraining agent. The additive is particularly suitable for the preparation of lightweight concrete which uses polystyrene aggregate. It provides for excellent dispersion of the polystyrene aggregate and improved bond between the polystyrene aggregate and surrounding cementitious binder. The resultant lightweight concrete formulation may be pumped and is particularly suitable for sandwich wall construction.

Additif destiné à être utilisé pour préparer du béton léger, cet additif comprenant un mélange formé d'environ 40 % à 99 % de matière polymère organique et de 1 % à environ 60% d'un agent d'entraînement de l'air. L'additif est particulièrement approprié pour préparer un béton léger à base d'agrégat de polystyrène. Il assure une excellente dispersion de l'agrégat de polystyrène et une liaison améliorée entre l'agrégat de polystyrène et le liant à base de ciment qui se trouve à proximité. La formulation résultante de béton léger peut être pompée et est particulièrement adaptée à la construction de murs-sandwich.

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