TablesI Design of composite members
Table I1.1a: Limiting Width-to-Thickness Ratios for Compression Steel Elements in Composite Members Subjected to Axial Compression for Use with Section I2.2
PDF page 160 · AISC 360-22
| Description of Element | Width-to- Thickness Ratio | λp Compact Composite/ Noncompact Composite | λr Noncompact Composite/ Slender-Element Composite | Maximum Permitted |
|---|---|---|---|---|
| Walls of rectangular HSS and box sections of uniform thickness | b/t | 2.26 √(E/Fy) | 3.00 √(E/Fy) | 5.00 √(E/Fy) |
| Round HSS | D/t | 0.15E/Fy | 0.19E/Fy | 0.31E/Fy |