TablesC-4 Structural design for fire conditions
Structural Steel Assemblies
PDF page 690 · AISC 360-22
| Structural Assembly or Member | Temperature Location | Maximum Temperature, °F (°C) | Maximum Temperature Rise, °F (°C) |
|---|---|---|---|
| Walls and partitions, loaded or unloaded | Unexposed surface | NA | 250 (120) average and 325 (160) at any point |
| Steel columns or beams, unloaded | Steel section | 1,000 (540) average and 1,200 (650) at any point | NA |
| Column, loaded | NA | NA | NA |
| Loaded restrained floor and roof assemblies | Unexposed surface | NA | 250 (120) average and 325 (160) at any point |
| Loaded restrained floor and roof assemblies-steel beams or joists spaced at 4 ft (1.2 m) or less on center and steel deck | Steel section | 1,100 (590) | NA |
| Loaded restrained floor and roof assemblies-steel beams or joists spaced more than 4 ft (1.2 m) on center | Steel section | 1,000 (540) average and 1,200 (650) at any point | NA |
| Loaded unrestrained floor and roof assemblies | Unexposed surface | NA | 250 (120) average and 325 (160) at any point |
| Loaded unrestrained floor and roof assemblies-steel beams, joists, and deck | NA | NA | NA |
| Loaded unrestrained beam or joist | NA | NA | NA |
| NA = not applicable | |||