Research Article
Seismic Response of a Tunnel Embedded in Compacted Clay through Large-Scale Shake Table Testing
Table 1
Main parameters of shake table facility.
| Technical parameter | Table A | Table B | Table C |
| Table size (m × m) | 4 × 4 | 4 × 4 | 4 × 4 | Maximum specimens weight (ton) | 35 | 35 | 35 | Maximum overturning moment (ton·m) | 35 | 35 | 35 | Maximum turning moment (ton·m) | 20 | 20 | 20 | Range of operating frequency (Hz) | 0.1–50 | 0.1–50 | 0.1–50 | X direction moving distance (m) | 0.0 | 5.0–20.0 | 5.0–20.0 | X direction maximum displacement (mm) | 250 | 250 | 250 | Y direction maximum displacement (mm) | 250 | 250 | 250 | Z direction maximum displacement (mm) | 160 | 160 | 160 | X direction maximum velocity (mm/s) | X: ±1000 | X: ±1000 | X: ±1000 | Y direction maximum velocity (mm/s) | Y: ±1000 | Y: ±1000 | Y: ±1000 | Z direction maximum velocity (mm/s) | Z: ±1000 | Z: ±1000 | Z: ±1000 | X direction maximum acceleration (g) | X: ±1.0 | X: ±1.0 | X: ±1.0 | Y direction maximum acceleration (g) | Y: ±1.0 | Y: ±1.0 | Y: ±1.0 | Z direction maximum acceleration (g) | Z: ±1.6 | Z: ±1.6 | Z: ±1.6 | Motion Dofs | 6 Dofs in 3 direction | 6 Dofs in 3 direction | 6 Dofs in 3 direction |
|
|