Carriageway and surface for carriageways

Details Carriageway and surface for carriageways Carriageway and surface for carriageways

E - Fixed Constructions

01

C

E01C 7/30 (2006.01) E01C 7/08 (2006.01) E01C 7/32 (2006.01)

Patent

CA 2601274

The superstructure (2) of a carriageway is embodied in a multi-layer manner and comprises, as the surface and first layer (3), a hardened compound consisting of glass particles, an organic adhesive, and a polyurethane adhesive. The glass particles are a mixture of glass beads and broken glass. The light-positive property of the glass particles of the compound enables the colour of the adhesive to be continuously transmitted from glass particle to glass particle up to the surface, such that the colour can also be seen when the glass particles are worn down or the adhesive is soiled or becomes turbid on the surface side. In this way, permanent colour stability is ensured even when the surface is worn down. The surface thus maintains the aesthetically pleasing or indicative colour thereof.

L'invention concerne un corps de chaussée (2) multicouche comportant comme couverture et première couche (3), une combinaison durcie de particules de verre et de colle organique, de colle polyuréthanne. Les particules de verre sont un mélange de perles de verre et de débris de verre. Grâce à la propriété photoconductrice des particules de verre de la composition, la couleur de la colle est toujours transmise de particule de verre en particule de verre jusqu'à la surface, si bien que la couleur reste reconnaissable même si les particules de verre sont usées par frottement ou si la colle est salie ou devenue opaque en surface. La stabilité durable de la couleur est ainsi garantie même en cas d'abrasion de la surface. Le revêtement de chaussée conserve donc durablement sa couleur d'aspect esthétique et de signalisation.

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