COMPARISON OF ROAD ASPHALT CONCRETE DESIGNED ACCORDING TO DIFFERENT STATE STANDARDS TO JUSTIFY THEIR DESIGN CHARACTERISTICS WHEN DESIGNING PAVEMENTS

Abstract

New names and varieties of road construction materials have appeared in pavement structures, primarily various foreign asphalt concretes.  This problematizes the objectivity of the design asphalt concrete characteristics specified in the regulatory documents. Moreover, there is a tendency to change the design characteristics of asphalt concrete from one regulatory document to another. This calls into question their validity. Clear as bell there isn’t any information about theoretical or empirical studies of the design characteristics of new asphalt concrete types according PNST 542-2021 on the territory of the Russian Federation. The authors propose to use a graphical analytical technique in order to eliminate the identified significant shortcoming in the modern domestic regulatory framework. This method builds the transition from well-studied asphalt concretes domestic school of materials science to Western European asphalt concretes, which are innovative in our country. The results obtained for such asphalt concretes can be used for improving both all strength criteria in the standard pavements design methodology in general, and the calculation of tension in bending in particular.