Research Article
Study on the Adaptability of Shield Tunnel Segments Orthogonal Crossing Grade III Loess Ground Fissure Section
Table 5
Material calculation parameters.
| | Material medium | Material type | Segment thickness (mm) | Rib height (mm) | Rib thickness (mm) | Longitudinal rib spacing (°) | Ring rib spacing (mm) |
| | Ribbed steel segments | Q345B | 50 | 250 | 20 | 10 | 750 | | Unribbed steel segments | Q345B | 50 | — | — | — | — |
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