Research Article
Numerical Study on the Mechanism and Application of Artificial Free Surfaces in Bedrock Blasting of Shield Tunnels
Figure 6
Granite crushing degree and crushing form with various excitation pressures.
(a) 0.15 MPa |
(b) 0.20 MPa |
(c) 0.25 MPa |
(d) 0.30 MPa |
(e) 0.35 MPa |
(f) 0.40 MPa |