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Three Dimensional Elasto-Visco-Plastic Finite Element Model for Combined Physical-Mechanical Moisture Induced Damage in Asphaltic Mixes
Faculty of Civil Engineering and Geosciences, Delft University of Technology.ORCID iD: 0000-0003-3968-6778
2007 (English)In: Asphalt Paving Technology: Association of Asphalt Paving Technologists-Proceedings of the Technical Sessions, Volume 76, 2007, Vol. 76, p. 495-524Conference paper, Published paper (Refereed)
Abstract [en]

In order to understand and quantify thephysicalprocesses leading tomoistureinduceddamagein asphalt and in order to combine them with themechanicalones, an extensive, experimental and analytical, investigation is undertaken at Delft University of Technology in the Netherlands. In this investigation new tools were developed that enable the simulation ofmoistureinfiltration due to pressure driven (i.e. hydraulic suction and water flow) andmoisturegradient driven (i.e. molecular diffusion) processes. In addition, the tools for the simulation of the variousphysicaldamageinducing processes, associated with thesemoistureinfiltration processes, have been developed. The modeling ofmoistureinduceddamagein asphaltmixes, however, cannot be done correctly without a generic constitutive theory for the dry response of the asphalt components. This contribution presents athreedimensionalvisco-elasto-plasticconstitutivemodelfor the mastic and shows the coupling with themoistureinfiltrationmodel. The same formulation can be used for simulation of the response of the other components. A methodology for the determination of themodelparameters is also presented. At the end of this paper a micro-scale simulation is given to illustrate thedamagegenerated in the mastic-aggregate interface due to bothplasticstrain andmoistureinduceddamage.

Place, publisher, year, edition, pages
2007. Vol. 76, p. 495-524
National Category
Infrastructure Engineering
Identifiers
URN: urn:nbn:se:kth:diva-84059OAI: oai:DiVA.org:kth-84059DiVA, id: diva2:499126
Conference
Asphalt Paving Technology 2007 AAPT; San Antonio, TX; 11 March 2007 through 14 March 2007
Note
TSC import 1894 2012-02-10. QC 20120301Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2012-03-01Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • ieee
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  • vancouver
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  • de-DE
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  • Other locale
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Output format
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