Research Article
Shaking Table Tests for Seismic Response of Orthogonal Overlapped Tunnel under Horizontal Seismic Loading
Table 4
Seismic wave input cases.
| | Number | Input sequence | Maximum input acceleration (g) | Input direction | Seismic intensity |
| | | Sine sweep | 0.05 | X | — | | Case 1 | WC wave | 0.1 | X | VII | | Sine sweep | 0.05 | X | — | | Case 2 | WC wave | 0.15 | X | VII | | Sine sweep | 0.05 | X | — | | Case 3 | WC wave | 0.2 | X | VIII | | Sine sweep | 0.05 | X | — | | Case 4 | WC wave | 0.3 | X | VIII | | Sine sweep | 0.05 | X | — | | Case 5 | WC wave | 0.4 | X | IX | | Sine sweep | 0.05 | X | — |
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