CONSTRUCTIVE ASPECTS OF THE FIRST IN PLACE RECYCLING PROJECT USING FOAMED BITUMEN

Abstract

This paper summarizes the first Chilean experience in place cold recycling project, using foamed bitumen technology. This technology is applied on flexible pavement rehabilitation, using specialized equipment that crushes and blends the existing pavement section, resulting in a base course (stabilized). The work describes the pavement before the rehabilitation, the pavement structural design solution and the mix design solution. Also, explains the recycled layer construction process obtained from the field observation: equipment, procedures, performance and material control. Finally, the work explains the construction technology advantages and difficulties.