Flexural/Tensile Strength Ratio in Rock-like Materials

Results are presented and discussed from a testing program to study the flexural strength of a rock-like material. In order to investigate the size effects, experiments were performed using specimens of a medium grained size granite. For geometrically similar beams of different sizes, this paper presents and discusses experimental evidence from interferometric measurements (ESPI) and locations of acoustic emissions (AE) of the damage zone...