Characterization and Performance Prediction of ALF Mixtures Using a Viscoelastoplastic Continuum Damage Model (With Discussion)
This paper presents an argument for the utilization of constitutive models to predict fatigue performance. The argument is made within the framework of the viscoelastoplastic continuum damage (VEPCD) model. Four asphalt concrete mixtures, each a part of an ongoing study at the Federal Highway Administration’s Accelerated Loading Facility (FHWA ALF), are characterized using this model. Polymer-modified asphalt binders are used with three of the four mixtures. Comparisons of linear viscoelastic, viscoelastic damage and viscoplastic properties are provided. Further, it is shown that the time-temperature superposition principle with growing damage is not limited to mixtures with simple asphalt binders and applies even to those with polymer-modified asphalt binders. The VEPCD model is shown to accurately predict material behavior over a range of conditions different than those used to characterize the model. Finally, experimental results are presented which show that fatigue performance is a complicated phenomenon dependent on many factors that may not be taken into account easily in current empirical procedures.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/issn/02702932
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Authors:
- Underwood, Benjamin Shane
- Kim, Y Richard
- Guddati, Murthy N
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Discussers:
- Pellinen, Terhi
- Wu, Rongzong
- 0000-0001-7364-7583
- King, Gayle
- Kluttz, Robert
- Gibson, Nelson
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Conference:
- 2006 Journal of the Association of Asphalt Paving Technologists: From the Proceedings of the Technical Sessions
- Location: Savannah Georgia, United States
- Date: 2006-3-27 to 2006-3-29
- Publication Date: 2006
Language
- English
Media Info
- Media Type: Print
- Features: Appendices; CD-ROM; Figures; References; Tables;
- Pagination: pp 577-636
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Serial:
- Journal of the Association of Asphalt Paving Technologists
- Volume: 75
- Publisher: Association of Asphalt Paving Technologists (AAPT)
- ISSN: 0270-2932
- Serial URL: https://www.asphalttechnology.org/site_page.cfm?pk_association_webpage_menu=9169&pk_association_webpage=19109
Subject/Index Terms
- TRT Terms: Asphalt concrete; Bituminous binders; Fatigue (Mechanics); Forecasting; Mixtures; Pavement performance; Viscoelasticity; Viscoplasticity
- Uncontrolled Terms: Accelerated loading facilities; Constitutive models; Continuum damage model; Polymer modified binders; Time temperature superposition; Viscoelastoplastic model
- Subject Areas: Design; Highways; Materials; Pavements; I22: Design of Pavements, Railways and Guideways; I23: Properties of Road Surfaces; I31: Bituminous Binders and Materials;
Filing Info
- Accession Number: 01041419
- Record Type: Publication
- Files: TRIS
- Created Date: Jan 30 2007 1:29PM