A Review of Numerical Study of Micro-Scale Modeling for Asphalt Mixture

Abstract:

Combining with digital image processing and numerical simulation technology, X-ray computerized tomography (CT) was used to study the microstructure of asphalt mixture for analyzing internal structure of asphalt mixture. The microstructure modeling methods of asphalt mixture can be classified as continuum-based numerical method and discontinuum-based numerical method. This paper described a review of the work done by many researchers on the modeling of asphalt mixture. The simulation methods are included finite element network model (FENM), a micromechanical finite element model (FEM), a clustered discrete element model (DEM), disturbed state concept (DSC), DDA (Discontinuous Displacement Analysis), numerical manifold method (NMM) and meshfree manifold method (MMM) that were used in micromechanical modeling of asphalt mixture.

• Periodical: Applied Mechanics and Materials (Volumes 716-717)
• Pages: 332-337
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.716-717.332
• Online since: December 2014
• Authors: Dong Feng Li, Jian Tong Zhang*
• Keywords: Asphalt Mixture (AC), Computed Tomography, Discrete Element Method, Finite Element Method (FEM), Micromechanical Modeling, Microstructure

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