FIELD: road construction.
SUBSTANCE: invention relates to a mass based on bitumen for the manufacture of a road surface containing a renewer consisting of a fatty alcohol or a mixture of a fatty alcohol and a fatty acid wherein the number of carbon atoms of the fatty acid or fatty alcohol is at least 6 C atoms or 24 C atoms at most. The amount of the renewer relative to the amount of bitumen or a bitumen-containing binder is 0.5 to 10%.
EFFECT: invention makes it possible to obtain a mass based on bitumen with delayed aging and makes it possible to prevent aging of the renewed or original bitumen or their mixture.
20 cl, 23 dwg
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