BEHAVIOR OF CONCRETE SUBJECTED TO HIGH SOLICITATIONS

This article concerns in the study of the concrete behaviour subjected to high solicitations like impact or blast. The concrete is modelise by a viscodamage law with an unilateral character. This law is introdu ced in the program Code LS-DYNA3D. Firstly, we show the pertinence of the law to describe the effect of the rate load on the behaviour of th e material. After, we simulate the tests realised by Split Hopkinson P ressure Bar by a finite element method in the three dimensional space.