Mechanism of Rock Burst Revealed by Numerical Simulation and Energy Calculation

Figure 11

Release energy of different force fields and ΔP: (a) release energy of uniform force field (ΔP = 1 MPa); (b) release energy of small ratio bias force field (ΔP = 1 MPa); (c) release energy of large ratio bias force field (ΔP = 1 MPa); (d) release energy of huge ratio bias force field (ΔP = 0.2 MPa).

(a)

(b)

(c)

(d)