OPTIMIZATION OF THE ROAD ROLLERS SET OPERATING MODES WHEN COMPACTING ASPHALT CONCRETE MIXTURE

Abstract

An asphalt-concrete mixture is predominantly used as the top surface of a motor road. The final operation of the road construction is the compaction of the asphalt concrete pavement. The durability of the structure as a whole depends on the quality of this operation. A set of road rollers is used to compact the asphalt concrete mixture. An important aspect of compaction that affects the efficiency of the process is the selection of the operating modes of the machines. The condition for effective compaction is the compliance of the design parameters of the road roller with the physical and mechanical characteristics of the asphalt concrete mixture. One of the most important characteristics of an asphalt mix is temperature, which affects the density and strength of the pavement. The paper establishes an analytical relationship between the power parameter of the roller and the temperature of the asphalt concrete, as well as the parameters of the environment. On the basis of this dependence, an algorithm has been developed for forming a set of rollers, as well as calculating their operating modes. The criterion for the effectiveness of the kit is the cost of rolling. The developed algorithm was implemented as a software package with a graphical interface.