Numerical Analysis of the Effect of Heterogeneity on Underground Roadway Stability under Dynamic Loads

Table 7

The number of failure elements at the 22 m position of the roadway with respect to m.

PPV (m/s)	m	Number of failure elements
0	1	329
	3	347
	5	320
	100	249
1.5	1	452
	3	509
	5	499
	100	433
2.5	1	636
	3	707
	5	717
	100	650