Investigation of strength and time properties of lime-sand brick under dynamic loading

The results of experimental study of mechanical properties of samples of sand-lime brick under dynamic loading are presented. The tests were carried out using the traditional Kolsky method and its modification - dynamic splitting (the so-called «Brazilian test»). The laws of change in strength and time properties of the investigated material are determined in the strain rate range of 3·102-2.5·103 s-1 under compression and in the stress rate range of 2·101-3·102 GPa/s under tension.