Study of the Rock Crack Propagation Induced by Blasting with a Decoupled Charge under High In Situ Stress

<div>Crack patterns in different biaxial stress fields (Kd = 2.0): (a) σx = 50 MPa and σy = 10 MPa; (b) σx = 50 MPa and σy = 20 MPa; (c) σx = 50 MPa and σy = 30 MPa; (d) σx = 50 MPa and σy = 40 MPa.</div>

Advances in Civil Engineering

fig13

Figure 13

Figure 13: Study of the Rock Crack Propagation Induced by Blasting with a Decoupled Charge under High In Situ Stress 