Dynamic Indentation Characteristics for Various Spacings and Indentation Depths: A Study Based on Laboratory and Numerical Tests

Figure 2

Rock breakages for the spacing of 80 mm when the indentation depths were (a1, a2) 7 mm, (b1, b2) 7.7 mm, and (c1, c2) 8.3 mm.

(a)

(b)

(c)