The PIARC Guideline on in Situ Recycling of Pavements with Cement

Recycling techniques to take profit of materials from existing pavements are being increasingly used, due to different technical, economical and ecological reasons. Therefore, the Technical Committee C7/8 on Pavements of PIARC (World Road Association) has prepared three guidelines dealing respectively with hot recycling in plant of bituminous mixt ures cold in situ recycling with emulsion or foamed bitumen cold in situ recycling with cement This paper presents the main features of the Guideline on cement recycling. It covers the different aspects of evaluation of the existing pavement, mix design, thickness design, machinery, execution of the works, quality control and cost appraisal.