Research Article
Three-Dimensional Nonlinear Seismic Response of Shield Tunnel Spatial End Structure
Table 2
Ring joint bolt parameters of shield tunnel segments.
| Diameters d0 (mm) | Length l0 (mm) | Elastic modulus Es (MPa) | Tensile yield stress fy (MPa) | Tensile ultimate stress fm (MPa) | Elastoplastic stiffness ratio α |
| 36 | 750 | 2.06E5 | 640 | 800 | 0.01 |
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