In extremely cold, hot and humid areas, air-structured buildings are also applicable!

1. In extremely cold, hot and humid environments, many customers may wonder if it is possible to build an air-structure pavilion. Let's take a look at the cases together!
2. In the 5700-square-meter air-structure chamber of the Pazi Hydropower Station in Xizang, the lowest temperature dropped to -20℃, but the asphalt concrete filling work inside was carried out in an orderly manner.

3. The core challenge in extremely cold regions lies in the freeze-thaw cycle and snow load. Low temperatures can cause the membrane material to crack due to brittleness, and the accumulation of snow will increase the structural load, thereby posing a risk of membrane collapse.
4. The high-altitude and cold region where the Pazi Hydropower Station in Xizang is located experiences a minimum temperature of nearly -20°C in winter, with a significant temperature difference between day and night.
5. In response to this, the strategy for the air-bag structure focuses on material and system design: The membrane material selects the low-temperature-resistant polytetrafluoroethylene (PTFE) composite membrane, which can still maintain good flexibility at -40°C low temperatures and avoid cracking.
6. The structure is equipped with intelligent snow melting and air pressure regulation systems. The membrane surface is laid with low-temperature heating cables, which can automatically melt the surface snow, while the internal constant pressure system maintains the membrane tension and counteracts the snow load.

7. At the Dongdong Bulk Cargo Terminal in Huangshi, Hubei Province, the air-membrane storage facility, exposed to the scorching sun, maintains a stable working environment inside.

8. The threats in high-temperature and high-humidity areas come from ultraviolet aging, mold growth, and strong winds and rainstorms.
9. The air film adopts a specially designed "protective film + air film" double-layer structure, creating a heat-insulating cavity to prevent moist air from directly contacting the inner wall of the air film, thereby preventing mold growth.
10. Precise air pressure control is the key to dealing with high temperatures and high humidity. The team of the Ezhou Bulk Cargo Terminal project developed an intelligent system, using distributed pressure sensors and adaptive wind speed regulators, to stabilize the air pressure control accuracy at 5 pascals.
11. Under hot weather conditions, the internal temperature of the air film is actually 5-8 degrees Celsius lower than the external temperature, providing a more comfortable environment for construction. This is due to its excellent heat insulation performance and air circulation design. 
12. In terms of wind resistance and rain protection, the anchoring system of the air film adopts an uplift-resistant pile design, combined with high-strength steel cables, which can withstand typhoons of force 12 or above.

In conclusion, the air film structure is not a "fragile" prefabricated building. Through targeted material selection, intelligent system configuration and structural design, it can effectively resist extreme weather conditions such as extremely low temperatures, high temperatures, and high humidity.