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  • Analysis of the application of improved road bitumen (BNDU) for the repair of federal highways

    The physicochemical properties of bitumen samples of road oil improved have been studied. It is established that the samples submitted for testing meet the regulatory requirements practically throughout the entire range of tests, except for the values ​​determined after heating the binder in a thin film according to the procedure of EN 12607-2 (EN 12607-1), which, apparently, indicates the insufficient stability of these bitumens to thermal and oxidative aging. The influence of the adhesive additive on the intensity of bitumen wetting of the surface of mineral materials was studied

    Keywords: bitumen petroleum road improved, resistance to thermal and oxidative aging, regulatory requirements