Research Article
Dynamic Rock-Breaking Process of TBM Disc Cutters and Response Mechanism of Rock Mass Based on Discrete Element
Figure 9
Crack propagation under different disc cutter spacing: (a) 60.0 mm, (b) 80.0 mm, (c) 100.0 mm, and (d) 120.0 mm.
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(b) |
(c) |
(d) |