Abstract
A plasticity-based damage model is proposed for inelastic analysis of structural concrete in this paper. Drucker-Prager-type plasticity is adopted in the formulation of the constitutive equations. Numerical validations have been performed for the proposed model with a driver subroutine developed in this study. Numerically predicted behaviour with the proposed model seems reasonably accurate for the cases of uniaxial tension and uniaxial compression when compared with experimental data in the literature. Numerical tests for multi-axial compression cases under various states of hydrostatic confinement stress have been carried out. Results indicate the validity of the proposed model for simulating plastic damage phenomena under various loading paths.
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