Research Article
Shaking Table Tests for Seismic Response of Orthogonal Overlapped Tunnel under Horizontal Seismic Loading
Table 2
Physical and mechanical parameters of similar materials.
| | Similar material | Physical and mechanical parameters | Elastic modulus, E (GPa) | Density, ρ (kg/m3) | Cohesion, c (kPa) | Internal friction angle, ϕ (°) |
| | Surrounding rock | Prototype | 1.3–6 | 2000–2300 | 200–700 | 27–39 | | Model | 0.14 | 2270 | 10.47 | 34.80 | | Lining structure | Prototype | 31.5 | 2300 | / | / | | Model | 1.05 | 2180 | / | / |
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