Research Article
Temperature Gradient and Its Effect on Long-Span Prestressed Concrete Box Girder Bridge
Table 2
Weather conditions of the four sunny days.
| Data | Weather | Maximum air temperature (°C) | Minimum air temperature (°C) | Average wind speed (m/s) |
| June 7, 2010 | Sunny | 20.7 | 20.1 | 3.0 | June 19, 2010 | Sunny | 32.1 | 23.2 | 3.5 | July 22, 2010 | Sunny | 34.0 | 28.0 | 4.7 | August 3, 2010 | Sunny | 37.6 | 32.0 | 2.7 |
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