GB/T 50466-2018 第4.3.2条
| | The heat transfer coefficient of the hotel building roof shall comply with the limits: K≤0.25 W/(m²·K) in severe cold zones, K≤0.35 W/(m²·K) in cold zones, K≤0.50 W/(m²·K) in hot summer and cold winter zones, and K≤0.70 W/(m²·K) in hot summer and warm winter zones. |