The Effect of Waste Plastics on the Ageing Phenomenon of Bituminous Binders and Asphalt Mixtures

Finn Hall; Greg White

doi:10.3390/ma14206176

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The Effect of Waste Plastics on the Ageing Phenomenon of Bituminous Binders and Asphalt Mixtures

Journal article

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Peer reviewed

The Effect of Waste Plastics on the Ageing Phenomenon of Bituminous Binders and Asphalt Mixtures

Finn Hall and Greg White

Materials, Vol.14(20), pp.1-15

2021

DOI: https://doi.org/10.3390/ma14206176

PMCID: PMC8538202

PMID: 34683771

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Abstract

asphalt

binder

modification

recycled

plastic

polymer

ageing

The push for environmental sustainability in the civil engineering industry has resulted in an increased interest in the use of recycled construction materials, with one example being the use of waste plastic for the modification of bituminous binder in asphalt mixtures. Existing research has associated waste plastics with various binder and asphalt mixture performance enhancing properties. However, there is a lack of research on the age-related durability of waste plastic-modified roads. This research compared the effect of commercially available waste plastic binder modifiers on the ageing phenomenon of bituminous binders and asphalt mixtures, to the effect of conventional polymers SBS and EVA, through artificial bituminous binder and asphalt mixture ageing performed in a laboratory. The addition of polymers (both waste and virgin) resulted in an increase in binder stiffness after short-term ageing as the polymer content increased. The effect of the waste plastic on ageing was comparable to the effects associated with the conventional polymers, and it was concluded that the waste plastic binder modified products should be considered sustainable alternatives to standard polymers for bituminous binder and asphalt mixture modification.

Details

Title: The Effect of Waste Plastics on the Ageing Phenomenon of Bituminous Binders and Asphalt Mixtures
Authors: Finn Hall (Author) - University of the Sunshine Coast, Queensland, School of Science, Technology and Engineering
Greg White (Author) - University of the Sunshine Coast, Queensland, School of Science, Technology and Engineering
Publication details: Materials, Vol.14(20), pp.1-15
Publisher: MDPI AG
Date published: 2021
DOI: 10.3390/ma14206176
ISSN: 1996-1944
PMID: 34683771; PMC8538202
Copyright note: Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/)
Organisation Unit: University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99578905102621
Output Type: Journal article

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Web Of Science research areas: Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering; Physics, Applied; Physics, Condensed Matter