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Asphalt Binder Modification with Plastomeric Compounds Containing Recycled Plastics and Graphene

Polymer-modified bitumens are usually employed for enhancing the mixture performance against typical pavement distresses. This paper presents an experimental investigation of bitumens added with two plastomeric compounds, containing recycled plastics and graphene, typically used for asphalt concrete...

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Autores principales: D’Angelo, Simone, Ferrotti, Gilda, Cardone, Fabrizio, Canestrari, Francesco
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8779677/
https://www.ncbi.nlm.nih.gov/pubmed/35057229
http://dx.doi.org/10.3390/ma15020516
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author D’Angelo, Simone
Ferrotti, Gilda
Cardone, Fabrizio
Canestrari, Francesco
author_facet D’Angelo, Simone
Ferrotti, Gilda
Cardone, Fabrizio
Canestrari, Francesco
author_sort D’Angelo, Simone
collection PubMed
description Polymer-modified bitumens are usually employed for enhancing the mixture performance against typical pavement distresses. This paper presents an experimental investigation of bitumens added with two plastomeric compounds, containing recycled plastics and graphene, typically used for asphalt concrete dry modification. The goal was to study the effects of the compounds on the rheological response of the binder phase, as well the adhesion properties, in comparison with a reference plain bitumen. The blends (combination of bitumen and compounds) were evaluated through dynamic viscosity tests, frequency sweep tests, and multiple stress creep recovery (MSCR) tests. Moreover, the bitumen bond strength (BBS) test was performed to investigate the behavior of the systems consisting of blends and aggregate substrates (virgin and pre-coated). The rheological tests indicated that both blends performed better than the plain bitumen, especially at high temperature, showing an enhanced rutting resistance. In terms of bond strength, comparable results were found between the blends and reference bitumen. Moreover, no performance differences were detected between the two types of blends.
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spelling pubmed-87796772022-01-22 Asphalt Binder Modification with Plastomeric Compounds Containing Recycled Plastics and Graphene D’Angelo, Simone Ferrotti, Gilda Cardone, Fabrizio Canestrari, Francesco Materials (Basel) Article Polymer-modified bitumens are usually employed for enhancing the mixture performance against typical pavement distresses. This paper presents an experimental investigation of bitumens added with two plastomeric compounds, containing recycled plastics and graphene, typically used for asphalt concrete dry modification. The goal was to study the effects of the compounds on the rheological response of the binder phase, as well the adhesion properties, in comparison with a reference plain bitumen. The blends (combination of bitumen and compounds) were evaluated through dynamic viscosity tests, frequency sweep tests, and multiple stress creep recovery (MSCR) tests. Moreover, the bitumen bond strength (BBS) test was performed to investigate the behavior of the systems consisting of blends and aggregate substrates (virgin and pre-coated). The rheological tests indicated that both blends performed better than the plain bitumen, especially at high temperature, showing an enhanced rutting resistance. In terms of bond strength, comparable results were found between the blends and reference bitumen. Moreover, no performance differences were detected between the two types of blends. MDPI 2022-01-10 /pmc/articles/PMC8779677/ /pubmed/35057229 http://dx.doi.org/10.3390/ma15020516 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/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/).
spellingShingle Article
D’Angelo, Simone
Ferrotti, Gilda
Cardone, Fabrizio
Canestrari, Francesco
Asphalt Binder Modification with Plastomeric Compounds Containing Recycled Plastics and Graphene
title Asphalt Binder Modification with Plastomeric Compounds Containing Recycled Plastics and Graphene
title_full Asphalt Binder Modification with Plastomeric Compounds Containing Recycled Plastics and Graphene
title_fullStr Asphalt Binder Modification with Plastomeric Compounds Containing Recycled Plastics and Graphene
title_full_unstemmed Asphalt Binder Modification with Plastomeric Compounds Containing Recycled Plastics and Graphene
title_short Asphalt Binder Modification with Plastomeric Compounds Containing Recycled Plastics and Graphene
title_sort asphalt binder modification with plastomeric compounds containing recycled plastics and graphene
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8779677/
https://www.ncbi.nlm.nih.gov/pubmed/35057229
http://dx.doi.org/10.3390/ma15020516
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