Research Article
Nonlinear Response and Collapse Analysis of Double-Channel Aqueduct under Strong Earthquake
Table 1
The first 10 modes and frequencies of the aqueduct structure (Hz).
| Number | Vibration mode | Frequency |
| 1 | Lateral | 3.2523 | 2 | Lateral | 5.7160 | 3 | Lengthways | 8.1072 | 4 | Lateral | 8.9255 | 5 | Lengthways | 9.8401 | 6 | Vertical | 10.0124 | 7 | Lengthways | 10.9620 | 8 | Pier bending | 11.5463 | 9 | Pier bending | 12.1347 | 10 | Vertical | 12.8715 |
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