Table 12 The section parameters of truss members.
Type | Internal chamfer radius/mm | Lower deviation of profile size | ||
|---|---|---|---|---|
Thickness/mm | Width/mm | Height/mm | ||
∠200 * 200 * 24 | 18 | − 1.0 | − 2.5 | / |
∠125 * 80 * 8, ∠125 * 80 * 10 | 11 | − 0.7 | − 2.0 | / |
∠80 * 80 * 8, ∠80 * 80 * 10 | 9 | − 0.6 | − 1.2 | / |
∠63 * 63 * 6 | 7 | − 0.6 | − 1.2 | / |
⊏100 * 48 * 5.3 | 8.5 | − 0.5 | − 2.0 | − 2.0 |
⊏80 * 43 * 5 | 8 | − 0.4 | − 1.5 | − 1.5 |
⊏63 × 40 × 4.8 | 7.5 | − 0.4 | − 1.5 | − 1.5 |
The soffit plate | / | − 0.55 | / | / |