Cold recycling of reclaimed asphalt pavements

Davide Lo Presti, Marco Pasetto, Eshan Dave, Gabriele Tebaldi, Andrea Grilli, Alex Apeagyei, James Grenfell, Maurizio Bocci, Augusto Cannone Falchetto, Davide Lo Presti, Augusto Cannone Falchetto, Augusto Cannone Falchetto, Martin Hugener, Andreas Loizos, Daniel Perraton, Kim Jenkins

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15 Citazioni (Scopus)


Pavement engineers have in front of them multiple challenges linked to addressing issues related to social development and society’s expanding needs. One of the most substantial of these issues is perhaps how to effectively rehabilitate and/ or maintain the existing road network while preserving and sustaining limited natural resources. The re-usage of existing pavement materials to reconstruct/ rehabilitate our future pavements is the solution that is now more and more selected by the different road administrations around the world. However, upon closer inspection, one can find many areas and details, not negligible issues, that are simply extensions of HMA technology (i.e. mix design process in cold recycling) or empirical arrangements; in particular RAP still does not have an internationally recognized classification. So SIB – TG6 decided to develop a classification protocol of RAP, depending on its intended application. The objective has been followed by considering the procedures generally utilized to classify the natural aggregates: tests able to identify the main components (i.e. the geometrical and mechanical prop- erties of aggregates and the characterization of recovered bitumen for RAP) and provide information on their behaviour under specific conditions, near to real life usage (e.g. the Los Angeles test for aggregates gives an idea of the potential behaviour of aggregates under the action of a roller compactor). The following sections illustrate and explain the actions of the TG in order to achieve the goals outlined above: the review of current standards, the protocol designed to classify RAP and the round robin tests carried out to validate the protocol.
Lingua originaleEnglish
Titolo della pubblicazione ospiteRILEM State-of-the-Art Reports - Testing and Characterization of Sustainable Innovative Bituminous Materials and Systems
Numero di pagine58
Stato di pubblicazionePublished - 2018

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All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.2200.2215???
  • ???subjectarea.asjc.2500.2501???


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