Numerical Simulation Study on the Strengthening Mechanism of Rock Materials under Impact Loads

Table 4

Model strength of different hole radius.

Hole radius (mm)	Inhomogeneous strength value (MPa)	Inertial forces (MPa)	Total strength (MPa)
0	13.12	29.09	42.21
5	12.95	28.92	41.87
7.5	15.20	25.53	40.73
10	17.25	21.28	38.53
12.5	17.73	18.12	35.85
15	13.12	15.35	28.47