Permanent deformation characteristics of asphalt concrete containing reclaimed materials

Imam Aschuri, David Woodward, Alan Woodside

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Abstract

The paper discussed the laboratory investigation of permanent deformation characteristics of asphalt concrete mixes containing reclaimed materials. The reclaimed materials used in this study were reclaimed plastic (HDPE) obtained from chopped plastic milk cartons and Reclaimed Asphalt Pavement (RAP). Reclaimed plastic was used to modify 60/70 penetration grade bitumen and Its effect on basic bitumen properties was tested over a range of test temperatures. The Marshall stability tests were carried out to determine the optimum bitumen content and optimum waste plastic content of asphalt concrete. The optimum waste plastic content in binder was found to be 1.5% by weight of binder. RAP contents of 30 and 60% were used to modify asphalt concrete mixes. The permanent deformation characteristics of asphalt concrete with and without reclaimed materials were evaluated in laboratory using Repeated Load Axial Test and Wheel Tracking Test at a range of test temperatures. The VESYS model was used to predict rutting characteristics for 10 years ahead. Test results showed that the asphalt concrete prepared using reclaimed materials such as waste plastic and Reclaimed Asphalt Pavement (RAP) were more resistance on permanent deformation over a range temperature.
Original languageEnglish
Title of host publicationUnknown Host Publication
EditorsEzio Santagata
PublisherPolitecnico di Torino
Pages232-242
Number of pages10
Volume1
ISBN (Print)978 88 8202 029 3
Publication statusPublished - 2009
EventSixth International Conference on Maintenance and Rehabilitation of Pavements and Technological Control - Politechnico di Torino, Italy
Duration: 1 Jan 2009 → …

Conference

ConferenceSixth International Conference on Maintenance and Rehabilitation of Pavements and Technological Control
Period1/01/09 → …

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Aschuri, I., Woodward, D., & Woodside, A. (2009). Permanent deformation characteristics of asphalt concrete containing reclaimed materials. In E. Santagata (Ed.), Unknown Host Publication (Vol. 1, pp. 232-242). Politecnico di Torino.