Table 1.
The Health Monitoring Contents of Long-Span Bridges.
| Bridge Type | Girder Bridge | Arch Bridge | Cable-Stayed Bridge | Suspension Bridge | ||
|---|---|---|---|---|---|---|
| Categories | ||||||
| load and environment | moving load | ★ | ★ | ★ | ★ | |
| earthquake | ★ | ★ | ★ | ★ | ||
| impact | ★ | ★ | ★ | ★ | ||
| temperature | ▲ | ▲ | ▲ | ▲ | ||
| humidity | ▲ | ▲ | ▲ | ▲ | ||
| wind speed and direction | ◇ | ★ | ▲ | ▲ | ||
| rainfall | ★ | ★ | ★ | ★ | ||
| the overall response of the structure | vibration | ▲ | ▲ | ▲ | ▲ | |
| deformation | ▲ | ▲ | ▲ | ▲ | ||
| rotation angle | ◇ | ◇ | ★ | ★ | ||
| the local response of the structure | stress | ▲ | ▲ | ▲ | ▲ | |
| cable force | ○ | ▲ | ▲ | ▲ | ||
| crack | ★ | ★ | ★ | ★ | ||
| fatigue | ○ | ★ | ★ | ★ | ||
| corrosion | ★ | ★ | ★ | ★ | ||
| changing and the reaction of supports | ★ | ★ | ★ | ★ | ||
| foundation erosion | ★ | ★ | ★ | ★ | ||
Illustrating: ▲ indicates the item which shall be monitored. ★ indicates the item which is selected to be monitored if the condition permits. ◇ indicates the item which can be monitored. ○ indicates the item which is unnecessary to be monitored.