Research Article

Unloading-Induced Crack Propagation of Two Collinear Unequal Length Flaws in Brittle Rocks

Table 7

Mechanical parameters from test and numerical simulation.

MaterialsDensity (kg/m3)Elastic modulus (GPa)Compressive strength (MPa)Tensile strength (MPa)Poisson ratio

Test specimen235015.2552.30.15
Mechanical model235015.2502.50.15