Damage-plasticity modelling of concrete: Calibration of parameters using separation of fracture energy

Giang D. Nguyen, Alexander M. Korsunsky

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

This paper presents a method for the calibration of parameters of coupled damage-plasticity models for concrete. The determination procedure uses the experimental fact that during the fracture process in concrete in tension a considerable part of energy dissipation occurs via a plastic frictional mechanism hitherto disregarded in many constitutive models. The procedure developed provides a consistent and rational way of determining the parameters for coupled damage-plasticity models of concrete. We highlight the advantages of the thermodynamic approach that serves as the basis for the constitutive model used here, and give a simple one-dimensional example as an illustration of the calibration process.

Original languageEnglish
Pages (from-to)325-332
Number of pages8
JournalInternational Journal of Fracture
Volume139
Issue number2
DOIs
Publication statusPublished - May 2006
Externally publishedYes

Keywords

  • Damage
  • Fracture energy
  • Parameter identification
  • Plasticity
  • Softening

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