Changing the physical and mechanical properties of asphalt concrete pavement on the experimental road sections during operation

Asphalt, at present, is the most common material for the construction of highways with a hard coating. One of the most important components in the asphalt concrete is a mineral powder, which has the largest surface area and therefore it is reactive. In previous studies, the application of powders of natural zeolites and lignite [1, 2] has been proved as use of a mineral powder. Asphalt concrete with mineral powders from local raw materials has improved physical and mechanical properties such as strength, water resistance, frost resistance, etc. Three experimental road sections on the roads "Umnas" and ”Viluy” coatings have been built for operational testing of developed asphalt concrete formulations. The module of pavement elasticity, asphalt concrete density, coefficient of adhesion have been chosen as the main parameters during monitoring trials. In addition, assessment of flatness and rutting, measurement of width of cracks disclosure have been made in the work.