Experimental Study on Mechanical Properties of Prefabricated Single-Cracked Red Sandstone under Uniaxial Compression

Table 1

The physical and mechanical parameters of the rock specimens.

Lithology	Uniaxial compressive strength (UCS) (MPa)	Tensile strength σt (MPa)	Elastic modulus E (GPa)	Poisson’s ratio μ	Density ρ (kg.m^−3)
Red sandstone	80.43	4.75	5.02	0.20	2403.33