Research Article
Numerical Analysis of the Seismic Response of Tunnel Composite Lining Structures across an Active Fault
Table 1
Physical and mechanical parameters of the ECC and concrete materials.
| | Material | Experiment method | Yield stress (MPa) | Yield strain (%) | Peak stress (MPa) | Peak strain (%) | Ultimate stress (MPa) | Ultimate strain (%) | Young’s Modulus (GPa) | Poisson’s ratio | Density (kg/m3) |
| | C30 concrete | Uniaxial tensile | 1.54 | 0.0051 | 2.89 | 0.01 | 0.18 | 0.19 | 30 | 0.2 | 2500 | | Uniaxial compression | 12 | 0.04 | 30.0 | 0.15 | 2.0 | 2.0 | | ECC | Uniaxial tensile | 3.2 | 0.021 | 3.67 | 3.27 | -- | 7.0 | 15 | 0.2 | 1900 | | Uniaxial compression | 32.2 | 0.18 | 41.8 | 0.45 | -- | 4.5 |
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