Abstract
In this paper, mixed-mode tests are studied using a beam-particle model adapted to the study of quasi-brittle cementitious materials. After a short presentation of the model, post-processing tools to visualize and quantify the cracks’ propagation are described. A parametric study on a three-point bending test is then carried out in order to highlighté the model’s ability to represent touéening mechanisms appearing during the softening phase. Finally, the mixed-mode tests of the CARPIUC benchmark are studied. These tests are particularly interesting because of their advanced use of image correlation. Indeed, monitoring is carried out during the tests to stably propagate the cracking along a complex path. In addition, the experimental displacements were post-processed on the boundaries to apply as boundary conditions for a numerical simulation. A comparison between numerical and experimental results shows the abilities of the beam-particle model.
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