The Influence of Confining Stresses on Rock Fragmentation, Thrust Force, and Penetration Energy in Sandstone Indentation Tests Using Disc Cutters

Table 2

Physical and mechanical properties of the tested rocks adopted in Innaurato et al.’s laboratory tests and Yin et al.’s laboratory tests.

Properties	Innaurato et al.’s tests		Yin et al.;s tests
	Botticino	Diorite	Marble	Granite
Young’s modulus (GPa)	67	30	25	23
Poisson’s ratio	0.3	0.2	0.26	0.19
Uniaxial compressive strength (MPa)	142	234	71	108
Cohesion (MPa)	16	23	22	25
Internal friction angle ()	57	61	40	52
Tensile strength (MPa)	7.2	9.3	6.6	6.5