Dynamic Response of Parallel Overlapped Tunnel under Seismic Loading by Shaking Table Tests

<div>Arrangement of the sensors and layout of the model. A denotes the upper-span tunnel, B denotes the under-crossing tunnel, C denotes the slip body, D denotes the artificial boundary (potential sliding surface), and E denotes the surrounding rock. (a) Arrangement of the sensors. (b) The layout of the test model.</div>

Shock and Vibration

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Figure 5

Figure 5: Dynamic Response of Parallel Overlapped Tunnel under Seismic Loading by Shaking Table Tests 