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.
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Nguyen, G.D., Korsunsky, A.M. Damage-Plasticity Modelling of Concrete: Calibration of Parameters using Separation of Fracture Energy. Int J Fract 139, 325–332 (2006). https://doi.org/10.1007/s10704-006-8379-0
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DOI: https://doi.org/10.1007/s10704-006-8379-0