Research Article

Dynamic Fracture Evolution and Mechanical Behavior of Sandstone Containing Noncoplanar Elliptical Flaws under Impact Loading

Table 1

Basic physical and mechanical properties of the sandstone.

PropertiesValues

Young’s modulus, E (GPa)10.67
Poisson’s ratio, 0.14
Uniaxial static compressive strength, σc (MPa)69.17
Static Brazilian tensile strength, σst (MPa)5.29
Dynamic Brazilian tensile strength, σdt (MPa)9.79
Density, γ (kg/m³)2377.71
Porosity (%)6.28
Longitudinal wave velocity, (m/s)2973.11