Table 2 Monitoring content and number of measuring points.
Location | Monitoring project | Number of measuring points |
|---|---|---|
Tower top, mid-span | Wind speed and direction | 1 |
Cable saddle, tower top, mid-span | Temperature and humidity | 2 |
Pier cap | Ship collision and seismicity | 3 |
Below cable saddle | Concrete strain | 20 |
Tower top | Tower deviation (GPS) | 2 |
Critical section of the main beam | Main cable displacement (GPS) | 1 |
Suspension cables | Cable forces | 12 |
Steel box, main cable | Vibration | 11 |
Expansion joint, anchor block | Displacement | 6 |
Main girder section | Deflection | 8 |
Main girder section of the bridge tower | Temperature | 8 |