Road asphalt materials, in particular heating is cold and serious - emulsions, and the road carpet forms on the basis of these materials

摘要

Bituminous material obtained by impregnation, coating or put into contact with a granulate, of a material of the recycling, of an aggregate of coated or a mixture of these products with a bituminous emulsion (e), characterized by the fact that the bitumen particles of the bituminous emulsion (e) is used for the impregnation, coating or the placing in contact have a fraction (f) representing 10 to 40% of the particles of bitumen and being of a median diameter less than or equal to 0,6 μm, preferably between 0, 1 and 0, 6 μm, the remainder of the bitumen particles of the emulsion being of a median diameter greater than or equal to 1 μm, preferably between 1 and 20 μm. The material is advantageously coated with a cold or emulsions serious -.