Numerical Simulation of Blast Vibration and Crack Forming Effect of Rock-Anchored Beam Excavation in Deep Underground Caverns

Figure 14

The crack forming diagram of rock mass under different crustal stress.

(a) 0 MPa

(b) 5 MPa

(c) 10 MPa

(d) 20 MPa

(e) 40 MPa

(f) 80 MPa