Research Article
Application of the Modified Mohr–Coulomb Yield Criterion in Seismic Numerical Simulation of Tunnels
Table 10
Maximum axial forces at the monitoring points for the different yield criterion models (unit: N).
| Section | Point | Shaking table test | Classical MC model | Modified MC model |
| 1 | Crown | 7.96 | 6.61 | 8.44 | 1 | Spandrel | 15.61 | 11.35 | 17.82 | 1 | Sidewall | 8.31 | 6.13 | 8.62 | 1 | Arch springing | 28.13 | 19.69 | 30.66 | 1 | Invert | 9.72 | 7.48 | 10.50 | 2 | Crown | 5.76 | 4.32 | 5.88 | 2 | Spandrel | 6.60 | 4.82 | 6.73 | 2 | Sidewall | 4.10 | 3.16 | 4.51 | 2 | Arch springing | 7.35 | 6.39 | 8.64 | 2 | Invert | 1.29 | 1.06 | 1.33 |
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