The Influence Mechanism of the Master Weak Interlayer on Bench Blasting Effect and Its Evaluation Method

Figure 2

(a)–(i) Velocity distribution diagram in x-direction at 0.05 s of blasting under 9 schemes (units in (a)–(i) are all m/s). (j) Maximum velocity-x statistics. (a) Scheme 1. (b) Scheme 2. (c) Scheme 3. (d) Scheme 4. (e) Scheme 5. (f) Scheme 6. (g) Scheme 7. (h) Scheme 8. (i) Scheme 9. (j) Maximum velocity-x statistics.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)