HEB 400 beams over an HEB 600 column with a CHS brace
Two HEB 400 beams meet over an HEB 600 column while a CHS 219.1 brace lands below them. Plates up to 30 mm; the bolts govern at 92 % of capacity.
Connection library · Beam-to-column and knee joints · industrial hall
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The 3D model is the connection as it was checked: members, plates, welds and bolts. Drag to rotate, scroll or pinch to zoom, tap a part type to hide it.
- Members
- HEB 600 (S275), HEB 400 (S275), CHS 219.1×5.0 (S235)
- Plates
- 15–30 mm thick
- Bolts
- M20, M24, M30
- Welds
- fillet, throat 5.7–10 mm
- Design code
- AISC 360-16
- Method
- Component-based finite element model (CBFEM)
How it was checked
Every plate, bolt and weld in one model
The joint is modelled with shell elements for the plates and member ends, and with nonlinear springs for bolts, welds and anchors (the component-based finite element method). The member forces are applied at the member ends and the model is loaded step by step to the full design load.
Plates pass when the plastic strain stays below the limit of the code; bolts, welds and anchors are checked against the component resistances of AISC 360-16. The bars above show each component’s utilisation for the governing load case.
More beam-to-column and knee joints
Beam-to-column and knee jointsHEB 400 and HEA 300 beams on an HEB 600 column
AISC 360-16 · Bolts 87 % of capacity
Beam-to-column and knee jointsTwo HEA 300 beams on an HEB 450 column through welded stubs
AISC 360-16 · Bolts 83 % of capacity
Beam-to-column and knee jointsWelded knee: IPE 240 rafters on an HEB 300 column
AISC 360-16 · Welds 83 % of capacity
Beam-to-column and knee jointsHEB 450 beams on an HEB 600 column
AISC 360-16 · Welds 76 % of capacityNeed a connection like this designed?
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