Modelling the Crack Initiation and Propagation of Notched Rock Beam under the Three-Point Bending Load

Table 1

The basic parameters for the numerical simulations.

Symbols	Description	Value
E	Young’s modulus	30 GPa [15]
	Poisson’s ratio	0.25 [15]
σmax	Cohesive strength	9 MPa [15]
GI	Mode I fracture energy	100 N/m [15]
GII	Mode II fracture energy	100 N/m [15]
rc	Radius of nonlocal averaging	0.5 mm