Prediction of perforation into concrete accounting for saturation ratio influence at high confinement

This paper provides both an analytical and a finite element models aiming at better predicting possible perforation of reinforced concrete slabs submitted to impacts. Both account for free water saturation ratio high triaxial stress induced into by the impact. Finite simulations are performed with Abaqus explicit code using revised constitutive model concrete; this coupled damage plasticity (PRM) accounts strain rate effects influence on behavior. Complementary original predictions ballistic limit residual velocities provided hard soft These depend recent deviatoric stress-based formulation compressive strength concrete. Numerical results consistent bending punching experimental tests.