Table 4 Material parameters.
Type | Material | Element type | Constitutive model | E (GPa) | \(\gamma\)(kN/m3) | Poisson’s ratio |
|---|---|---|---|---|---|---|
Diaphragm wall | C30 | Plate element | Linear elastic | 30 | 24 | 0.2 |
Concrete strut | C35 | Beam element | Linear elastic | 31.5 | 24 | 0.2 |
Servo steel strut | Q235 | Point-to-point anchor bar | Linear elastic | 206 | 78.5 | 0.32 |
Shield segment | C50 | Plate element | Linear elastic | 34.5 | 24 | 0.2 |
Waist beam/crown beam | C35 | Beam element | Linear elastic | 31.5 | 24 | 0.2 |
Capsule grouting32 | – | Solid element | Non-porous elastic body | 20 | 15 | 0.32 |