Table 1 Description of the Tajo bridge sensor system.
From: Enhancing stress measurements accuracy control in the construction of long-span bridges
Sensors | Functionality |
|---|---|
Load cells | Stress on the suspension stays (30 units) |
Stress in the prestressing units of the stay-cable towers (8 units) | |
Extensometers | Stress in the reinforcement of semi-arches (32 units) |
Stress in the starting reinforcement of the stay-cable piers (8 units) | |
Temperature probes | Vertical thermal gradient in the semi-arches (16 units) |
Thermal gradient in stay-cable piers and towers (8 units) | |
Clinometers | Deformation of the semi-arches (14 units) |
Twisting at the head of stay-cable piers and towers (2 units) | |
Anemometers | Wind incident in the north half-arch advance segment (1 unit) |
Wind incident at the head of the stay-cable towers (2 units) | |
Accelerometers | Stress on the suspension stays (1 unit) |
Acceleration on the suspension stays (1 unit) | |
Acceleration on the semi-arches (2 units) |
