Numerical Investigation on the Mechanism of Rock Directional Fracturing Method Controlled by Hydraulic Fracturing in Dense Linear Multiholes

Table 1

Physical and mechanical parameters of the cement mortar.

Properties (Unit)	Value
Porosity ()	12.7885
Permeability ()	1.1339
Uniaxial compressive strength ()	6.2747
Elastic modulus ()	0.7208
Tensile strength ()	1.6487
Cohesion ()	2.5443
Internal friction angle ()	31.2900
Fracture toughness ()	13.2300