The results of experimental and theoretical investigations of processes of high-velocity deformation and fracture of brittle structurally heterogeneous mediums such as concrete and refractory materials of different densities, and some rocks are presented. Experimental study of the dynamic properties has been performed using a modifications of Kolsky method. Theoretical developments have been performed using the model of a porous medium. A set of test full-scale and numerical experiments on the study of the interaction processes in the direct and inverse formulations was used for the verification of the models. Comparison of theoretical and experimental results showed their good agreement.
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