| Title |
A Study on Constitutive Model on Concrete Materials |
| Abstract |
The hypoelastic-perfectly plastic model is investigated analytically, using Ottosen failure cirterion.The variable moduli Kt, Gt to treate pre-peak nonlinearity are based on the quadratic expressions instead of linear formulas suggested by Gerstle.The results show that this model has the capability to reflect the nonlinear irreversible behavior of concrete materials under general loading condition (loading, unloading and reloading) |