Research Article
Study on Structural Service Performance of Heavy-Haul Railway Tunnel with Voided Base
Table 8
Maximum principal stress of the inverted arch in different cases (MPa).
| Case | Case 1 | Case 2 | Case 3 | Case 4 | Case 5 | Case 6 | Case 7 | Case 8 |
| Maximum principal stress | Max | 1.12 | 1.2 | 1.33 | 1.41 | 1.58 | 1.65 | 1.43 | 1.44 | Min | 0.295 | 0.314 | 0.376 | 0.415 | 0.481 | 0.508 | 0.422 | 0.430 |
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