TablesI Design of composite members
Direct Bond Interaction
PDF page 180 · AISC 360-22
| D | = outside diameter of round HSS, in. (mm) |
| Fin | = nominal bond stress, ksi (MPa) = 12t/H² ≤0.1, ksi (2 100t/H² ≤0.7 MPa) for rectangular cross sections = 30t/D² ≤ 0.2, ksi (5 300t/D² ≤1.4 MPa) for round cross sections |
| H | = maximum transverse dimension of rectangular steel member, in. (mm) |
| Lin | = load introduction length, determined in accordance with Section I6.4, in. (mm) |
| Rn | = nominal bond strength, kips (N) |
| pb | = perimeter of the steel-concrete bond interface within the composite cross section, in. (mm) |
| t | = design wall thickness of HSS member as defined in Section B4.2, in. (mm) |