Abstract
The elasto-plastic damageable constitutive equation based on damage mechanics has been formulated by using Drucker-Prager's equivalent stress, Tresca's stress and maximum principal stress to analyze adhesive failure of concrete structural elements reinforced with carbon fiber sheets. The formulated constitutive equation is implemented in the two-dimensional finite element program to simulate experimental results. Some parameters in the constitutive equation are identified by static and fatigue failure tests. The present study focuses on failure of concrete surface beneath epoxy resin to glue carbon fiber sheet. The calculated results have been compared with experimental results to illustrate the validity of the proposed method of analysis.
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