Method and apparatus for providing concrete products having...

C - Chemistry – Metallurgy – 04 – B

Patent

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Details

C04B 16/06 (2006.01) C04B 16/04 (2006.01) C04B 18/22 (2006.01) C04B 24/26 (2006.01) C04B 24/38 (2006.01) C04B 28/02 (2006.01) C04B 41/48 (2006.01) C04B 41/53 (2006.01) C04B 41/61 (2006.01) C04B 41/63 (2006.01) C04B 41/72 (2006.01) E01C 7/35 (2006.01) E04F 11/116 (2006.01) E04F 11/16 (2006.01) E04F 15/12 (2006.01)

Patent

CA 2297720

Disclosed is a method for providing an improved cementitious product (56) which includes improved surface characteristics such as skid resistance, as well as improved structural characteristics such as flexural toughness. The product (56) is provided by the inclusion of skid-resistant particles within an uncured cement product, such that the product eventually cures with the skid-resistant particles fixed at, and adjacent to, the surface, providing improved skid resistance to the cement product and its supporting surface, which could be a pedestrian sidewalk, steps (54), a vehicle roadway, handicapped ramps, or other surfaces where skid resistance is required. The product (56) is desirably softer in structure than traditional concrete structures to allow for desirable wearing by traffic thereon to continuously expose new rubber particles, while still having integral properties which discourage pullout of the particles.

L'invention concerne un procédé d'obtention d'un produit à base de ciment amélioré (56), présentant des caractéristiques de surface améliorées, telles que résistance au glissement, ainsi que des caractéristiques de structure améliorées, telles que résistance à la flexion. Le produit (56) est obtenu par inclusion de particules résistant au glissement dans un produit en ciment non durci, de telle sorte que le produit durcisse finalement avec les particules résistant au glissement fixées à la surface, ou adjacentes à cette surface, ce qui confère au ciment et à sa surface d'appui une résistance au glissement améliorée, ledit produit pouvant être des bornes de trottoir (54), une chaussée, des rampes pour handicapés ou d'autres surfaces où la résistance au glissement est requise. Le produit (56) est avantageusement d'une structure plus tendre que les structures en béton conventionnelles, compte tenu du fait que l'usure provoquée par le trafic dégage en continu de nouvelles particules en caoutchouc, le produit conservant des propriétés intrinsèques empêchant l'arrachement de ces particules.

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