Hot In Place Asphalt Recycling (HIPAR)

With limited funds destined to highway maintenance, the need to repair and maintain highways at the lowest cost possible has created a need for cost-effective ways to rehabilitate existing pavements in preference of reconstruction. Hot-In-Place-Asphalt-Recycling is defined as a process of correcting asphalt pavement surface distress by softening the existing surface with heat, mechanically removing the pavement surface, mixing with recycling agent, possibly adding virgin asphalt and/or aggregate and replace it on the pavement without removing the recycled material from the original pavement site.