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 12
Statistical quantities of natural frequency values of 38 bridges in district 2, district 9, and Thu Duc district.
| | | Spans of prestressed concrete bridges | Steel spans | Total | Percentage (%) |
| | One natural frequency value | 20 spans | 11 spans | 31 spans | 14.90 | | Two natural frequency values | 35 spans | 29 spans | 85 spans | 40.86 | | More than two natural frequency values | 102 spans | 11 spans | 92 spans | 44.24 | | Total | 157 spans | 51 spans | 208 spans | 100 |
|
|
