Parametric Study of the Borehole Drilling in Jointed Rock Mass

Table 2

Summary of the maximum shear stress of the joints (MPa).

Joint number	Joint angle
	0°	15°	30°	45°	60°	75°
1
2
3			1.67
4	0.32	1.22		1.61	1.50	1.01
5
6			1.67
7	0.32	1.22		1.61	1.50	1.01