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超薄型钢结构 |
薄型钢结构 |
厚型钢结构 |
|
0.5 |
≥1.0 |
≥1.5 |
--- |
|
1.0 |
≥2.0 |
≥2.5 |
--- |
|
1.5 |
≥2.5 |
≥3.5 |
≥15 |
|
2.0 |
--- |
≥4.5 |
≥18 |
|
2.5 |
--- |
≥6.5 |
≥22 |
|
3.0 |
--- |
--- |
≥25 |
注:以上文字摘自北京市地方DBJ01-616-2004建筑防火涂料(板)工程设计、施工与验收规程。