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 15
Values fz at different spans of Sai Gon bridge.
| | Order of spans | Measurement times | Traffic states | fz (Hz) |
| | 1 | 1 | In the morning, traffic vehicles are mainly buses and minivans | 3.8 | | 2 | In the morning, traffic vehicles are mainly buses and minivans | 3.9 | | 3 | In the evening, traffic vehicles are mainly container lorries | 3.8 | | 4 | In the evening, traffic vehicles are mainly container lorries | 3.8 |
| | 2 | 1 | In the morning, traffic vehicles are mainly buses and minivans | 3.5 | | 2 | In the morning, traffic vehicles are mainly buses and minivans | 3.4 | | 3 | In the evening, traffic vehicles are mainly container lorries | 3.5 | | 4 | In the evening, traffic vehicles are mainly container lorries | 3.4 |
| | … | … | …. | … |
| | 16 | 1 | In the morning, traffic vehicles are mainly buses and minivans | 2.3 | | 2 | In the morning, traffic vehicles are mainly buses and minivans | 2.1 | | 3 | In the evening, traffic vehicles are mainly container lorries | 2.3 | | 4 | In the evening, traffic vehicles are mainly container lorries | 2.2 |
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