An Experimental Study on Cracking Behavior of Precracked Sandstone Specimens under Seepage Pressure

Table 1

Basic mechanical properties of sandstone specimens.

Density (g/cm³)	Elastic modulus (GPa)	Compressive strength (MPa)	Tensile strength (MPa)	Poisson’s ratio	Cohesion (MPa)	Friction angle (°)
2.37	16.57	47.87	2.63	0.21	10.25	47.87