直立锁边铝镁锰屋面系统
■ 受荷参数(铝镁锰合金)
板型 | 厚度(mm) | 屈服强度(N/mm²) | 支撑条件 | 荷载受力方向 | 荷载(KN/m2)/容许檩距(mm) | |||||
0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | |||||
YX65-400 | 0.9 | 170 | 2跨以上连续 | 外压力 | 3070 | 2582 | 2333 | 2171 | 2053 | 1962 |
内压力 | 2858 | 2268 | 1981 | 1800 | 1671 | 1573 | ||||
YX65-420 | 0.9 | 170 | 2跨以上连续 | 外压力 | 3069 | 2581 | 2332 | 2170 | 2053 | 1961 |
内压力 | 2856 | 2266 | 1980 | 1799 | 1670 | 1571 | ||||
YX65-430 | 0.9 | 170 | 2跨以上连续 | 外压力 | 3070 | 2581 | 2332 | 2171 | 2053 | 1961 |
内压力 | 2856 | 2267 | 1980 | 1799 | 1670 | 1572 |
正压验算强度和挠度,负压只按强度验算。挠度值统一取L/200 ,不同挠度值需另行计算;涂层可根据工况选择PE 、SMP 、HDP 、PVDF 等。
合号Aluminum Grade | 3004,3005,3104,5052 | ||
表面Finish | PVDF 彩色涂层PVDF Color | ||
原色Mill finish | |||
合金状态Allog state | H24/H42/H44/H46 | ||
铝板厚度BMT(mm) | 0.9/1.0/1.2 | ||
板型覆盖宽度Coverage(mm) | 平直形straight 400*,420*,425,430* | ||
扇形tapered 220-500 | |||
建议最小屋面坡度Minimum Recommended Roof Pitch | 2.5% | ||
最小成弧半径Minimum Radius For Curving | 预弯成弧smooth pre-curve | 正弧convex | 2M(0.9mm) |
反弧concave | 6M | ||
自然成弧spring curve | 正弧convex | 40M(0.9mm) | |
45M(1.0mm) | |||
50M(1.2mm) | |||
反弧concave | 45M(0.9mm) | ||
50M(1.0mm) | |||
55M(1.2mm) | |||
建议支撑檩条间距Recommended support spacing | 1.2M-1.5M |
■ 综合参数
*所有铝板都符合BS EN485-2:1995 GB/T 3880.2-2006