3D finite element model for asphalt concrete response simulation

S. M.J.G. Erkens, X. Liu, A. Scarpas

Research output: Contribution to journalArticlepeer-review

48 Scopus citations


An extensive experimental, analytical, and numerical investigation on the response of asphalt concrete is currently in progress at Delft University of Technology. The objectives of this Asphalt Concrete Response (ACRe) project are: (a) the formulation and finite element implementation of a three-dimensional, strain-rate sensitive, temperature- and loading history-dependent constitutive model, and (b) the development of the necessary experimental set-ups, testing procedures, and data analysis methods for determination of the model parameters. These objectives are strongly interrelated: on the one hand, the model dictates what should be measured in a test, while on the other hand, the response observed in the tests sets the requirements for the model. As a result, model development/verification and experimental testing have been progressing in parallel throughout the project. In this contribution both the finite element and the experimental aspects of the project will be presented. The constitutive model has been implemented in the finite element system INSAP. The system has been used to simulate the initiation and propagation of damage in two flexible pavement structures due to repeated loading. The simulations illustrate the influence of geometry and material characteristics on the development of damage.

Original languageBritish English
Pages (from-to)305-330
Number of pages26
JournalInternational Journal of Geomechanics
Issue number3
StatePublished - 2002


  • 3D material model
  • Material parameter determination
  • Response simulation


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