Artificial Interference of Stress Field in a Near-Fracture Zone by Water Injection in a Preexisting Crack

Table 2

Parameter analysis of the calculation parameters of each scheme.

Independent variable	Parameters	Values
Length of crack	Half-length a (m)	2, 4, 6, 8, 10, 12, 14, 16
Pressure in crack	Net pressure p (MPa)	3, 6, 9, 12, 15, 18, 21
Initial stress difference	Initial minimum principal stress σy (MPa)	10, 11, 12, 13, 14, 15, 16, 17