Research Article
Seismic Response Analysis of Secondary Lining Polymer Grouting Debonding Repair for Tunnel Construction Based on Parameter Inversion
Table 1
Tunnel section displacement change comparison table.
| | Construction stage | Lower step application initial lining | Palm surface advance 20 m | Palm surface advance 40 m | Pouring of second lining | | Real measurement (mm) | Finite element model (mm) | Real measurement (mm) | Finite element model (mm) | Real measurement (mm) | Finite element model (mm) | Real measurement (mm) | Finite element model (mm) |
| | Peripheral convergence (K83 + 020) | 2.6 | 2.3 | 4.7 | 4.5 | 6.5 | 6.3 | 7.3 | 7.2 |
| | Vault settlement (K83 + 020) | 2.8 | 2.5 | 5.2 | 5.5 | 7.5 | 7.6 | 9.4 | 9.5 |
| | Vault settlement (K83 + 040) | 3.3 | 3 | 5.4 | 5.6 | 7.7 | 7.8 | 8.7 | 8.8 |
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