Table 2 Results of real-time tunneling excavation parameters of double shield TBM.
From: Study on correlation between TBM tailings gradation and granitic gneiss surrounding rock stability
Parameter index | Penetration (mm/rot) | Torque (MN m) | Shoe pressure (bar) | Shoe displacement (mm) |
---|---|---|---|---|
Data range | 5.60–7.80 | 2.60–2.85 | 156.00–158.00 | 287.00–289.00 |