Research Article
Interfacial Behaviour of Shield Tunnel Segment Strengthened by Thin Plate at Inner Surface
Table 1
Comparison of key points between the numerical analysis and the experiment.
| Key point | Load 1 (kN) | Error (%) | Normal stress (MPa) | Error (%) | Shear stress (MPa) | Error (%) | Simulation | Test | Simulation | Test | Simulation | Test |
| Strengthening point | 427 | 418 | 2.2 | / | / | / | / | / | / | Ultimate point | 672 | 616 | 9.1 | 1.67 | 1.65 | 1.21 | 6.53 | 6.83 | ā4.39 |
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