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

Figure 7

Monitoring the surface displacement curves. (a) D1; (b) D2; (c) D3; (d) D4; (e) D5; (f) D6; (g) D7.

(a)

(b)

(c)

(d)

(e)

(f)

(g)