Research Article
Seismic Stability of Subsea Tunnels Subjected to Seepage
Table 1
Calculation parameters of materials.
| |
Material name | Parameter | Modulus
(GPa) | Poisson’s ratio | Specific weight (kN/m3) | Cohesion
(KPa) | Internal friction angle
(°) | Porosity
(%) | Permeability
(m/s) | Tensile strength
(MPa) |
| | Porous media | 20 | 0.33 | 26 | 500 | 50 | 0.75 | | |
| |
Material name | Parameter | Modulus
(GPa) | Poisson’s ratio | Specific weight (kN/m3) | Cohesion
(KPa) | Internal friction angle
(°) | Porosity
(%) | Permeability
(m/s) | Tensile strength
(MPa) |
| | Nonporous media | 20 | 0.35 | 26 | 500 | 50 | — | — | 0.15 |
| |
Material name | Parameter | Modulus
(GPa) | Poisson’s ratio | Specific weight (kN/m3) | Cohesion
(KPa) | Internal friction angle
(°) | Porosity
(%) | Permeability
(m/s) | Tensile strength
(MPa) |
| | Lining structure | 30 | 0.167 | 24.5 | 3180 | 54.9 | — | — | 2.01 |
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