A Study of Adhesion in Foamed WMA Binder-Aggregate Systems Using Boiling Water Stripping Tests

The paper investigates the phenomena of adhesion in binder-aggregate systems produced to reflect warm-mix asphalt with water-foamed bitumen. The investigated materials included limestone and quartzite aggregates and a total of four asphalt binders: 50/70 and 45/80–55 bituminous binders obtained from...

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Autor principal:	Anna Chomicz-Kowalska
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	adhesion foamed bitumen warm-mix asphalt boiling water stripping test digital image analysis FTIR Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/af2e01fe449b488a87d76285ce4d5b8d
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spelling	oai:doaj.org-article:af2e01fe449b488a87d76285ce4d5b8d2021-11-11T17:50:05ZA Study of Adhesion in Foamed WMA Binder-Aggregate Systems Using Boiling Water Stripping Tests10.3390/ma142162481996-1944https://doaj.org/article/af2e01fe449b488a87d76285ce4d5b8d2021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6248https://doaj.org/toc/1996-1944The paper investigates the phenomena of adhesion in binder-aggregate systems produced to reflect warm-mix asphalt with water-foamed bitumen. The investigated materials included limestone and quartzite aggregates and a total of four asphalt binders: 50/70 and 45/80–55 bituminous binders obtained from two sources. The adhesive bonding between the asphalt binders and aggregates was evaluated in boiling water stripping tests, which results were quantified using digital image analysis. The bituminous binders were additionally tested for their dynamic viscosities, and their chemical composition was probed using FTIR spectroscopy. The tests were carried out using traditional liquid and foamed bituminous binders on samples prepared at temperatures characteristic of hot-mix asphalt and warm-mix asphalt production (20 °C decrease). The use of foamed binders yielded higher values of residual asphalt binder coverage of the aggregates. Limestone aggregates provided superior adhesion, with the lowest result amounting to approximately 88%, while with quartzite aggregates, the results ranged from approximately 40% to 87%. The refinery from which the asphalt binders were sourced had a significant influence on the results; however, the additional rheological and chemical analyses were insufficient to explain those differences. It was concluded that the process of asphalt binder foaming, per se, may have a beneficial impact on the resistance of the asphalt binder-aggregate system to the action of water.Anna Chomicz-KowalskaMDPI AGarticleadhesionfoamed bitumenwarm-mix asphaltboiling water stripping testdigital image analysisFTIRTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6248, p 6248 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	adhesion foamed bitumen warm-mix asphalt boiling water stripping test digital image analysis FTIR Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	adhesion foamed bitumen warm-mix asphalt boiling water stripping test digital image analysis FTIR Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Anna Chomicz-Kowalska A Study of Adhesion in Foamed WMA Binder-Aggregate Systems Using Boiling Water Stripping Tests
description	The paper investigates the phenomena of adhesion in binder-aggregate systems produced to reflect warm-mix asphalt with water-foamed bitumen. The investigated materials included limestone and quartzite aggregates and a total of four asphalt binders: 50/70 and 45/80–55 bituminous binders obtained from two sources. The adhesive bonding between the asphalt binders and aggregates was evaluated in boiling water stripping tests, which results were quantified using digital image analysis. The bituminous binders were additionally tested for their dynamic viscosities, and their chemical composition was probed using FTIR spectroscopy. The tests were carried out using traditional liquid and foamed bituminous binders on samples prepared at temperatures characteristic of hot-mix asphalt and warm-mix asphalt production (20 °C decrease). The use of foamed binders yielded higher values of residual asphalt binder coverage of the aggregates. Limestone aggregates provided superior adhesion, with the lowest result amounting to approximately 88%, while with quartzite aggregates, the results ranged from approximately 40% to 87%. The refinery from which the asphalt binders were sourced had a significant influence on the results; however, the additional rheological and chemical analyses were insufficient to explain those differences. It was concluded that the process of asphalt binder foaming, per se, may have a beneficial impact on the resistance of the asphalt binder-aggregate system to the action of water.
format	article
author	Anna Chomicz-Kowalska
author_facet	Anna Chomicz-Kowalska
author_sort	Anna Chomicz-Kowalska
title	A Study of Adhesion in Foamed WMA Binder-Aggregate Systems Using Boiling Water Stripping Tests
title_short	A Study of Adhesion in Foamed WMA Binder-Aggregate Systems Using Boiling Water Stripping Tests
title_full	A Study of Adhesion in Foamed WMA Binder-Aggregate Systems Using Boiling Water Stripping Tests
title_fullStr	A Study of Adhesion in Foamed WMA Binder-Aggregate Systems Using Boiling Water Stripping Tests
title_full_unstemmed	A Study of Adhesion in Foamed WMA Binder-Aggregate Systems Using Boiling Water Stripping Tests
title_sort	study of adhesion in foamed wma binder-aggregate systems using boiling water stripping tests
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/af2e01fe449b488a87d76285ce4d5b8d
work_keys_str_mv	AT annachomiczkowalska astudyofadhesioninfoamedwmabinderaggregatesystemsusingboilingwaterstrippingtests AT annachomiczkowalska studyofadhesioninfoamedwmabinderaggregatesystemsusingboilingwaterstrippingtests
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A Study of Adhesion in Foamed WMA Binder-Aggregate Systems Using Boiling Water Stripping Tests

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