GB 50189-2015 第3.3.5条
| **** | **Envelope thermal performance limits (hot summer and warm winter zone)**: Roof K≤0.80 W/(m²·K); exterior wall (including opaque curtain wall) K≤1.0 W/(m²·K); elevated or cantilevered floor slab in contact with outdoor air on the underside K≤1.0 W/(m²·K); partition wall or floor slab between non-air-conditioned spaces and air-conditioned spaces K≤2.0 W/(m²·K). |