Research Article
Model Test and Back Analysis of Shield Tunnel Load Distribution in Soft Clay
Table 3
Comparison between measured values and finite element calculations.
| | Position | Relative error | | Load mode 1 | Load mode 2 | Load mode 3 | Load mode 4 | | Bending moment | Axial force | Model | Bending moment | Axial force | Model | Bending moment | Axial force | Model | Bending moment (%) | Axial force (%) | Model |
| | 1 (1) | 32.8 | 4.6 | (E)M | 15.7 | 3.0 | (E)M | 1.6 | 11.0 | (E)M | 19.9 | 9.9 | (E)M | | 2 (19) | 2.0 | 17.2 | 11.9 | 12.1 | 17.9 | 19.4 | 5.2 | 17.2 | | 3 (37) | 9.6 | 10.2 | 4.2% | 2.2 | 1.7 | 1.3% | 8.4 | 11.8 | 5.5% | 3.1 | 7.9 | 5.4% | | 4 (55) | 1.2 | 16.5 | 11.7 | 11.3 | 14.1 | 18.7 | 1.8 | 16.5 | | 5 (73) | 17.9 | 0.2 | (E)N | 2.8 | 8.2 | (E)N | 9.8 | 6.6 | (E)N | 28.8 | 5.4 | (E)N | | 6 (91) | 85.8 | 12.2 | 14.5 | 21.6 | 54.3 | 9.2 | 19.4 | 10.9 | | 7 (109) | 19.4 | 3.9 | 4.4% | 0.6 | 1.9 | 2.3% | 20.9 | 5.4 | 7.8% | 6.6 | 8.4 | 6.4% | | 8 (127) | 86.0 | 11.6 | 15.9 | 20.9 | 55.0 | 8.7 | 17.5 | 10.3 |
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