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    Effects of geometrical parameters on numerical modeling of pavement granular material

    194479_194479 AFD.pdf (5.432Mb)
    Access Status
    Open access
    Authors
    Ghadimi, Behzad
    Asadi, Hossein
    Nikraz, Hamid
    Leek, Colin
    Date
    2013
    Type
    Conference Paper
    
    Metadata
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    Citation
    Ghadimi, B. and Asadi, H. and Nikraz, H. and Leek, C. 2013. Effects of geometrical parameters on numerical modeling of pavement granular material, in Al-Qadi, I.M. (ed), 2013 Airfield and Highway Pavement Conference: Sustainable and Efficient Pavements, Jun 9 2013, pp. 1291-1303. Los Angeles, CA; United States: American Society of Civil Engineers.
    Source Title
    Airfield and Highway Pavement 2013: Sustainable and Efficient Pavements - Proceedings of the 2013 Airfield and Highway Pavement Conference
    Source Conference
    2013 Airfield and Highway Pavement Conference: Sustainable and Efficient Pavements
    DOI
    10.1061/9780784413005.109
    ISBN
    9780784413005
    URI
    http://hdl.handle.net/20.500.11937/30516
    Collection
    • Curtin Research Publications
    Abstract

    Numerical modeling of granular pavement materials is one of the modeling approaches that can be used to predict material response to specific loading conditions. This modeling is dependent on many factors and variables and includes assumptions for material behavior, loading conditions, geomechanical properties, and geometrical parameters. In this study in-depth research has been undertaken to determine the sensitivity of geometrical parameters on pavement numerical modeling. Geometrical parameters are all those parameters that can be used to define a numerical model, including layer thickness, meshing system, and nature of the model (2D or 3D). In this study a layered granular pavement has been modeled through ABAQUS, which is a general finite element program. The results have been compared with layered elastic theory by CIRCLY and KENLAYER. This study will deal with three kinds of modeling: 2D axisymmetric, 2D plain strain, and a complete 3D model. In each of these three models, the influence of layer thickness, elements type, and mesh density has been investigated. The results have been presented, compared, and discussed to identify the most influential parameters

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