The structural load and climate coupled lab primarily simulates the effects of various environmental conditions on bridge structures. This facility features comprehensive internal capabilities, including temperature, humidity, mechanical loading, salt spray, icing, snowfall, rainfall, wind exposure, carbon dioxide, ultraviolet radiation, and saltwater immersion. By combining various parameters, it can essentially replicate climate conditions across all regions and types within China, significantly enhancing its utilization rate. This facility measures 7m × 3m and is designed as a mobile unit, enabling easy relocation via a lifting device.
Technical Parameters:
1. Temperature: Adjustment range -40°C to 70°C, control stability ≤ ±1°C, measurement accuracy ≤ ±0.5°C;
2. Humidity: Range 30–98%, control accuracy ≤±5%;
3. Salt Spray: Saltwater concentration 3–5%, salt spray particle size 5–10 μm;
4. Icing: Ice thickness of 5 mm/h, with ice area covering 60% of the effective area;
5. Rainfall: Vertical downward direction with adjustable tilt angle; rainfall intensity 0.5–50 mm/h with automatic adjustment capability.
6. Wind velocity: Uniform wind field with a wind velocity ranging from 0.5 to 10 meters per second (stability ±1 m/s);
7. Carbon dioxide: CO₂ concentration 0–20% V/V, CO₂ control accuracy ≤ ±2%;
8. Ultraviolet light exposure: Light source consists of UV fluorescent lamps (adjustable vertically);
9. Saltwater soaking: Saltwater concentration 3–5%.
