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

<div>Comparisons of the Y-stress time-history curves at point A between the situations of hydrostatic pressure (σx = σy, Kd = 2.0) and nonhydrostatic pressure (σx = 50 MPa, Kd = 2.0): (a) σy = 10 MPa; (b) σy = 20 MPa; (c) σy = 30 MPa; (d) σy = 40 MPa.</div>

Advances in Civil Engineering

fig15

Figure 15

Figure 15: Study of the Rock Crack Propagation Induced by Blasting with a Decoupled Charge under High In Situ Stress 