Fracture Propagation Characteristic and Micromechanism of Rock-Like Specimens under Uniaxial and Biaxial Compression

Table 1

Geometric parameters of fractured specimens.

Fracture type	Inclination angle	Fracture length /mm
Single fracture	30, 45, 60, 90	20
Single fracture	45	15, 20, 25, 30
X-shape cross fractures	0, 30, 45, 60	20