Abstract
Thermo-recycling is an economical means of using raw materials such as aggregate and bitumen. It contributes indirectly to the protection of the environment. The introduction of plastic PR-PLAST-S (anti ruts) to strengthen new asphalt mix with asphalt millings not only seems a promising solution to recycle the old road materials, but it is also economical and efficient for improving the resistance to permanent deformation that leads to ruts. Such coating formulas can be considered for the maintenance of wearing course of flexible pavements. To simulate the problems of wearing, Marshall Tests and normal Duriez tests have been performed on various formulations of plastic reinforced asphalt concrete. The results show that recycling of pavements can be performed without restrictions up to 30% of milled. With plastic pellets, mixtures behave like new asphalt above 6% addition of PR-PLAST-S.
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