Parametric Study of the Borehole Drilling in Jointed Rock Mass

Table 3

Summary of the maximum von Mises stress and the coordinates.

Joint angle	Parameter	A	B
0°	Stress (MPa)	32.2	32.5	32.40	32.6	31.9	33.1	32.4
	(m)	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3
15°	Stress (MPa)	32.7	33.0	33.1	33.3	33.7	34.0	34.1
	(m)	0.1, -0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3
30°	Stress (MPa)	31.4	31.4	31.4	31.5	31.8	31.9	32.0
	(m)	0.1, -0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3
45°	Stress (MPa)	29.1	28.7	27.8	26.4	27.5	25.8	24.7
	(m)	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3	-0.1, 0.3	0.1, -0.3	0.1, -0.3	0.1, -0.3
60°	Stress (MPa)	27.4	26.4	26.1	25.7	25.5	25.1	23.6
	(m)	-0.1, 0.3	-0.1, 0.3	0.1, 0.3	0.1, 0.3	0.1, 0.3	0.1, 0.3	-0.1, 0.3
75°	Stress (MPa)	26.8	29.8	30.4	26.5	26.8	26.6	26.4
	(m)	0.1, -0.3	-0.1, -0.3	-0.1, -0.3	-0.1, 0.3	0.1, -0.3	-0.1, 0.3	0.1, -0.3