Research Article
Computational Model of Outer Circle and Inner Ellipse Shield Tunnel Lining Structure
Table 7
Concrete and reinforcement material parameters.
| Materials | Poisson’s ratio | Modulus of elasticity (GPa) | Density (kg/m3) |
| Concrete (C50) | 0.2 | 34.5 | 2600 | Reinforcing steel (HPB400) | 0.3 | 200 | — |
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