Research Article
Performance Evaluation of Hard Rock TBMs considering Operational and Rock Conditions
Table 1
Structural parameters in TBM dynamic model.
| Structural parameters |
| Mass of TBM (t) | 135 | Diameter of cutterhead (m) | 4 | Length of main machine (m) | 10 | Number of pinions | 8 | Number of cutters | 24 | Cutter spacing (mm) | 84 | Diameter of cutter (mm) | 432 | Cutter tip width (mm) | 9.2 |
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