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Rheological, physicochemical, and microstructural properties of asphalt binder modified by fumed silica nanoparticles

Goshtasp Cheraghian, Michael P. Wistuba, Sajad Kiani, Andrew Barron Orcid Logo, Ali Behnood

Scientific Reports, Volume: 11, Issue: 1

Swansea University Authors: Sajad Kiani, Andrew Barron Orcid Logo

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DOI (Published version): 10.1038/s41598-021-90620-w

Abstract

Warm mix asphalt (WMA) is gaining increased attention in the asphalt paving industry as an eco-friendly and sustainable technology. WMA technologies are favorable in producing asphalt mixtures at temperatures 20–60 °C lower in comparison to conventional hot mix asphalt. This saves non-renewable foss...

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Published in: Scientific Reports
ISSN: 2045-2322
Published: Springer Science and Business Media LLC 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa57164
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spelling 2022-07-08T11:16:29.0999645 v2 57164 2021-06-17 Rheological, physicochemical, and microstructural properties of asphalt binder modified by fumed silica nanoparticles fe9ec46699e095368faf2a0465b598c5 Sajad Kiani Sajad Kiani true false 92e452f20936d688d36f91c78574241d 0000-0002-2018-8288 Andrew Barron Andrew Barron true false 2021-06-17 CIVL Warm mix asphalt (WMA) is gaining increased attention in the asphalt paving industry as an eco-friendly and sustainable technology. WMA technologies are favorable in producing asphalt mixtures at temperatures 20–60 °C lower in comparison to conventional hot mix asphalt. This saves non-renewable fossil fuels, reduces energy consumption, and minimizes vapors and greenhouse gas emissions in the production, placement and conservation processes of asphalt mixtures. At the same time, this temperature reduction must not reduce the performance of asphalt pavements in-field. Low aging resistance, high moisture susceptibility, and low durability are generally seen as substantial drawbacks of WMA, which can lead to inferior pavement performance, and increased maintenance costs. This is partly due to the fact that low production temperature may increase the amount of water molecules trapped in the asphalt mixture. As a potential remedy, here we use fumed silica nanoparticles (FSN) have shown excellent potential in enhancing moisture and aging susceptibility of asphalt binders. In this study, asphalt binder modification by means of FSN was investigated, considering the effects of short-term and long-term aging on the rheological, thermal, and microstructural binder properties. This research paves the way for optimizing WMA by nanoparticles to present enhanced green asphalt technology. Journal Article Scientific Reports 11 1 Springer Science and Business Media LLC 2045-2322 Civil engineering, Nanoparticle,s, Nanoscale materials, Nanoscience and technology 1 6 2021 2021-06-01 10.1038/s41598-021-90620-w COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University Another institution paid the OA fee The authors gratefully acknowledge financial support from the German Research Foundation (DFG). Part of Figures 1 and 11 were created with BioRender.com (under license number 307CB98D-0001 BioRender). Additional support is provided by the Reducing Industrial Carbon Emissions (RICE) operations funded by the Welsh European Funding Office (WEFO) through the Welsh Government. Open Access funding enabled and organized by Projekt DEAL. 2022-07-08T11:16:29.0999645 2021-06-17T11:36:43.4410945 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Goshtasp Cheraghian 1 Michael P. Wistuba 2 Sajad Kiani 3 Andrew Barron 0000-0002-2018-8288 4 Ali Behnood 5 57164__20185__126cc4891a014334914d0bea3abf4b99.pdf 57164.pdf 2021-06-17T11:38:13.3061240 Output 9163004 application/pdf Version of Record true © The Author(s) 2021. This article is licensed under a Creative Commons Attribution 4.0 International License true eng http://creativecommons.org/licenses/by/4.0/
title Rheological, physicochemical, and microstructural properties of asphalt binder modified by fumed silica nanoparticles
spellingShingle Rheological, physicochemical, and microstructural properties of asphalt binder modified by fumed silica nanoparticles
Sajad Kiani
Andrew Barron
title_short Rheological, physicochemical, and microstructural properties of asphalt binder modified by fumed silica nanoparticles
title_full Rheological, physicochemical, and microstructural properties of asphalt binder modified by fumed silica nanoparticles
title_fullStr Rheological, physicochemical, and microstructural properties of asphalt binder modified by fumed silica nanoparticles
title_full_unstemmed Rheological, physicochemical, and microstructural properties of asphalt binder modified by fumed silica nanoparticles
title_sort Rheological, physicochemical, and microstructural properties of asphalt binder modified by fumed silica nanoparticles
author_id_str_mv fe9ec46699e095368faf2a0465b598c5
92e452f20936d688d36f91c78574241d
author_id_fullname_str_mv fe9ec46699e095368faf2a0465b598c5_***_Sajad Kiani
92e452f20936d688d36f91c78574241d_***_Andrew Barron
author Sajad Kiani
Andrew Barron
author2 Goshtasp Cheraghian
Michael P. Wistuba
Sajad Kiani
Andrew Barron
Ali Behnood
format Journal article
container_title Scientific Reports
container_volume 11
container_issue 1
publishDate 2021
institution Swansea University
issn 2045-2322
doi_str_mv 10.1038/s41598-021-90620-w
publisher Springer Science and Business Media LLC
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 1
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description Warm mix asphalt (WMA) is gaining increased attention in the asphalt paving industry as an eco-friendly and sustainable technology. WMA technologies are favorable in producing asphalt mixtures at temperatures 20–60 °C lower in comparison to conventional hot mix asphalt. This saves non-renewable fossil fuels, reduces energy consumption, and minimizes vapors and greenhouse gas emissions in the production, placement and conservation processes of asphalt mixtures. At the same time, this temperature reduction must not reduce the performance of asphalt pavements in-field. Low aging resistance, high moisture susceptibility, and low durability are generally seen as substantial drawbacks of WMA, which can lead to inferior pavement performance, and increased maintenance costs. This is partly due to the fact that low production temperature may increase the amount of water molecules trapped in the asphalt mixture. As a potential remedy, here we use fumed silica nanoparticles (FSN) have shown excellent potential in enhancing moisture and aging susceptibility of asphalt binders. In this study, asphalt binder modification by means of FSN was investigated, considering the effects of short-term and long-term aging on the rheological, thermal, and microstructural binder properties. This research paves the way for optimizing WMA by nanoparticles to present enhanced green asphalt technology.
published_date 2021-06-01T04:12:41Z
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