FINITE-ELEMENT DYNAMIC ANALYSIS OF DISTRESSED ASPHALT PAVEMENTS
Three-dimensional finite-element pavement-subgrade models are developed in this study to simulate falling weight deflectometer (FWD) loading on highway pavements. Reasonably good agreement is found between FWD deflections measured on selected pavements and computed dynamic deflections for pavement models subjected to the FWD load pulse and contact simulation. Effects of loading force-time history and pavement cracking on the surface deflections response of an asphalt pavement are also presented. The creep modulus of asphalt mix is predicted using a micromechanical model which calculates the viscoelastic response from creep compliance test results of the binder and elastic properties of the aggregates.
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Supplemental Notes:
- This conference was arranged by the International Society for Asphalt Pavements. The ninth conference will be held in Copenhagen, Denmark in August 2002.
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Corporate Authors:
University of Washington, Seattle
Department of Civil and Environmental Engineering, P.O. Box 352700
Seattle, WA United States 98195-2700 -
Authors:
- Uddin, Waheed
- Pan, Z
- Noppakunwijai, P
- PLAXICO, C A
- HACKETT, R M
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Conference:
- Eighth International Conference on Asphalt Pavements
- Location: Seattle, Washington
- Date: 1997-8-10 to 1997-8-14
- Publication Date: 1997
Language
- English
Media Info
- Features: Figures; References; Tables;
- Pagination: p. 725-739
Subject/Index Terms
- TRT Terms: Asphalt mixtures; Asphalt pavements; Creep; Deflection; Falling weight deflectometers; Finite element method; Mathematical prediction; Simulation; Viscoelasticity
- Uncontrolled Terms: Three dimensional models
- Subject Areas: Data and Information Technology; Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways; I23: Properties of Road Surfaces;
Filing Info
- Accession Number: 00764689
- Record Type: Publication
- Report/Paper Numbers: Volume I
- Files: TRIS, ATRI
- Created Date: Jun 10 1999 12:00AM