Research Article
Shaking Table Tests for Seismic Response of Oblique Overlapped Tunnel
Table 1
Similarity relations and ratios.
| | Physical parameters | Symbol and relational expression | Similarity ratio |
| | Length (L) | CL | 1/50 | | Density (ρ) | Cρ | 1/1 | | Elastic modulus (E) | CE | 1/30 | | Stress (σ) | Cσ = CECε | 1/30 | | Strain (ε) | Cε = 1 | 1 | | Poisson’s ratio (μ) | Cμ = 1 | 1 | | Internal friction angle (ϕ) | Cϕ = 1 | 1 | | Time (t) | Ct = CL | 1/9.129 | | Displacement (d) | Cd = CL | 1/50 | | Velocity () | = | 1/0.183 | | Acceleration (a) | Ca = CE | 1/0.6 |
|
|
