Research Article
Study on the Floating of Large Diameter Underwater Shield Tunnel Caused by Synchronous Grouting
Table 3
The main calculation parameters of underwater tunnel.
| Tunnelling speed (m/s) | Outer radius of segment (R/m) | Thickness of shield tail gap (m) | Grout density (kg/m3) | Plastic viscosity () | Dynamic shear force () |
| 0.00035 | 6.9 | 0.25 | 1900 | 2 | 15 |
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