Research Article
Influence of Base Rock Deterioration on Tunnel Bottom Structure Damage under Train Excitation
Table 6
Structural physical mechanics parameters.
| | Structure | Material | Element | Elastic modulus (GPa) | Poisson ratio | Gravity (kN/m3) |
| | Secondary lining | C30 | SOLID45 | 31 | 0.20 | 23 | | Track bed | C40 | SOLID45 | 33.5 | 0.20 | 25 | | Inverting fill | C20 | SOLID45 | 28.5 | 0.20 | 23 | | Inverted arch | C30 | SOLID45 | 31 | 0.20 | 23 | | Pillow | — | SOLID45 | 52.4 | 0.30 | 25 |
|
|
