Research Article
Monitoring and Analysis of Ground Settlement Induced by Tunnelling with Slurry Pressure-Balanced Tunnel Boring Machine
Table 2
Main specification of the TBM.
| | Item | Value |
| | Excavation diameter (including overcut) (mm) | 7,450 | | Skin plate length (mm) | 11,450 | | Skin plate diameter (tail) (mm) | 7,400 | | Segment inner/outer diameter (mm) | 6,500/7,100 | | Maximum machine thrust (approximate) (kN) | 47,000 | | Maximum torque (approximate) (kNm) | 5,000 | | Operating slurry pressure (bar) | 4.0 | | Backfill grout | Bicomponent simultaneous injection |
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