Theoretical and Experimental Study of the Effects of Impact Drilling Parameters on the Properties of Surrounding Rock Damage

Figure 10

Stress-strain curves for each rock specimen group: (a) group A; (b) group B; (c) group C; (d) group D; (e) group E; and (f) group F.

(a)

(b)

(c)

(d)

(e)

(f)