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Minerals and their dispersive interaction with bitumen
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Highway and Railway Engineering (closed 20110301).
2011 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology , 2011. , 15 p.
Series
Research report. Avd. för vägteknik, Kungl. Tekniska högskolan, 2011:09
Keyword [en]
bitumen, aggregate, mineral, adhesion, stripping, refractive index, Hamaker constant
National Category
Civil Engineering Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-38830ISBN: 978-91-7501-032-8 (print)OAI: oai:DiVA.org:kth-38830DiVA: diva2:438135
Presentation
2011-06-08, B22, KTH, Brinellvägen 23, Stockholm, 09:00
Opponent
Supervisors
Note
QC 20110901Available from: 2011-09-01 Created: 2011-09-01Bibliographically approved
List of papers
1. Interaction forces between mineral aggregates and bitumen Calculated using the Hamaker constant
Open this publication in new window or tab >>Interaction forces between mineral aggregates and bitumen Calculated using the Hamaker constant
2010 (English)In: International Journal on Road Materials and Pavement Design, ISSN 1468-0629, E-ISSN 2164-7402, Vol. 11, 305-323 p.Article in journal (Refereed) Published
Abstract [en]

Moisture damages to bituminous pavements leads to costly repairs. The most serious outcome of the influence of water is the loss of adhesion between binders and aggregates. This is often described as stripping. Adhesion is the ability at a molecular level of materials to stick steadfastly to one another. An alternative way of explaining the adhesion of bitumen to aggregates is presented in this paper using the Hamaker constant, a measure of the van der Waals attraction forces between two materials. The Hamaker constant is significantly lower for water as the intervening medium than for air. For the aggregates and minerals studied, the Lifshitz-van der Waals interactions contribute 65-78 percent of the 'work of adhesion' calculated by the acid-base method. The performance of the aggregates and minerals correlates well to A(total) where resistance to stripping data is available.

Keyword
Acid-Base, Aggregate, Hamaker, Lifshitz-Van Der Waal, Non-Polar, Polar
National Category
Civil Engineering Materials Engineering
Identifiers
urn:nbn:se:kth:diva-29708 (URN)10.1080/14680629.2010.9690336 (DOI)000278058800013 ()2-s2.0-83455225078 (Scopus ID)
Note

QC 20110211

Available from: 2011-02-11 Created: 2011-02-11 Last updated: 2017-06-09Bibliographically approved
2. The mechanism of adhesion between aggregates and bitumen in asphalt
Open this publication in new window or tab >>The mechanism of adhesion between aggregates and bitumen in asphalt
(English)In: Materials and Structures, ISSN 1359-5997, E-ISSN 1871-6873Article in journal (Refereed) Submitted
National Category
Materials Engineering Civil Engineering
Identifiers
urn:nbn:se:kth:diva-38586 (URN)
Note

QCR 20120327

Available from: 2011-08-29 Created: 2011-08-29 Last updated: 2017-12-08Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
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  • Other style
More styles
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  • de-DE
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  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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