Simulation and Experimental Study on the Discontinuous Dynamic Impact on Unidirectional Confined Coal-Rock Damage

Figure 8

Relationship between effective strain and constraint static load of impact of coal rock. (a) q = 0 MPa. (b) q = 1 MPa. (c) q = 2 MPa. (d) q = 3 MPa. (e) q = 4 MPa. (f) q = 5 MPa.

(a)

(b)

(c)

(d)

(e)

(f)