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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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Use of Recycled Materials in Pavements - Literature review

Back in 2003, PIARC published a report from Technical Committee C7/8 on “Pavement Recycling”. This report contains guidelines for in-place recycling with cement, emulsion or foamed bitumen and hot mix recycling in a plant.

The current literature review is part of a set of three publications on the “Use of Recycled Materials in Pavements” expected for the 2020-2023 cycle.

This literature review describes:

  • recycling in-place using hydraulic and/or bituminous binders, it also addresses the preliminary investigations of the existing pavement prior to recycling it;
  • recycling or re-using in-plant where the recycled materials are mixed in plant, adding hydraulic or bituminous binders, to produce a mix for asphalt or concrete pavements, or for road base layers.

A second publication will be a collection of case studies.

This literature review does not contain any conclusions or recommendations on recycling pavement materials. They will be part of a third publication, which is a briefing note.

Information sheet

  • Date: 2021
  • Author(s): Comité technique / Technical Committee / Comité Técnico 2020-2023 4.1 Chaussées / Pavements / Pavimentos
  • Domain(s): Road Pavements
  • Type: Litterature Review
  • PIARC Ref.: 2021LR02EN
  • ISBN: 978-2-84060-646-8
  • Number of pages: 105