Research Article
Dynamic Response Analysis of Super Shallow-Buried Rectangular Tunnel
Table 2
Material physical and mechanical parameters table.
| Structure name | Category | Elastic modulus/Gpa | Poisson’s ratio | Density/(kN·m−3) |
| Ballast | Gravel ballast | 0.01 | 0.3 | 18 | Tunnel lining | C40 concrete | 32.5 | 0.2 | 25 |
|
|