Micro mechanical fracture modeling of asphalt mixture using the discrete element method

Hyunwook Kim, William G Buttlar

Research output: Contribution to journalConference article

Abstract

A micro-fabric distinct element modeling (MDEM) approach was implemented in the two dimensional particle flow software package (PFC-2D), to study the complex crack behavior observed in asphalt concrete fracture tests. This behavior was simulated with an MDEM model having complex morphological features. To verify the bilinear cohesive zone model (CZM) implementation, the double cantilever beam (DCB) was analyzed. It was found that the numerical results form the simulations compared favorably with the analytical solution, and the trends in initial stiffness, peak load and corresponding CMOD matched well with experimental results.

Original languageEnglish (US)
Pages (from-to)209-223
Number of pages15
JournalGeotechnical Special Publication
Issue number130-142
StatePublished - Apr 25 2005
EventGeo-Frontiers 2005 - Austin, TX, United States
Duration: Jan 24 2005Jan 26 2005

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Architecture
  • Building and Construction
  • Geotechnical Engineering and Engineering Geology

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