Study of SCA-Induced Rock Crack Propagation under Different Stress Conditions Using a Modified Cohesive Element Method

Table 2

The stress loading conditions (unit: MPa).

Notch conditions	Loading conditions	(σ1, σ3)
No notches	σ1 = σ3	(0,0)
θ = 0°, 45° and 60°	σ1 = σ3	(5,5)	(7.5,7.5)	(10,10)	(12.5,12.5)	(15,15)	(17.5,17.5)	(20,20)
θ = 0°, 45° and 90°	σ1 − σ3 = 5	(5,0)	(7.5,2.5)	(10,5)	(12.5,7.5)	(15,10)	(17.5,12.5)	(20,15)