Research Article
A New Insight to Vibration Characteristics of Spans under Random Moving Load: Case Study of 38 Bridges in Ho Chi Minh City, Vietnam
Table 14
Natural frequency values of some spans of flyover bridges.
| | Bridges | Spans | Frequencies (Hz) | | f1 (Hz) | f2 (Hz) | f3 (Hz) | f4 (Hz) |
| | Linh Xuan flyover bridge | Span 1 | 5 | 6.3 | 8.7 | 20.9 | | Span 2 | 5.4 | 6.5 | 7.7 | 10.6 | | Span 3 | 5.3 | 6.5 | 9 | 10.7 | | Span 4 | 5.1 | 6.4 | 9 | 11 | | Span 5 | 5.2 | 6.3 | || | 10.6 | | Span 6 | 5.2 | 6.3 | 8.5 | 11.2 |
| | Binh Phuoc 1 flyover bridge | Span 1 | 5.1 | 7.3 | 10.9 | || | | Span 2 | 4.8 | 10.1 | 11.1 | || | | Span 3 | 4.9 | 9.4 | 11.3 | || | | Span 4 | 4.9 | 10.9 | || | || | | Span 5 | 4.8 | 7.1 | 10.1 | 11.6 | | Span 6 | 5.1 | 7.3 | 11.5 | || |
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