Bolted brace node: SHS 120 braces on an HEA 160 beam
Two square hollow section braces meet an HEA 160 beam through stepped gusset plates and bolted lap plates. The slotted tube ends take the plates, and the beam web is stiffened under the node.
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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
- HEA 160 (S355), SHS 120×120×6 (S235)
- Plates
- 10–20 mm thick
- Bolts
- M20 8.8
- Welds
- fillet, throat 5–8 mm
- Design code
- EN 1993-1-8
- 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 EN 1993-1-8. The bars above show each component’s utilisation for the governing load case.
More bracing and gusset nodes
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AISC 360-16 · Bolts 95 % of capacity
Bracing and gusset nodesCHS 219.1 braces on an HEB 400 through a gusset plate
AISC 360-16 · Welds 86 % of capacity
Bracing and gusset nodesCross node: UPN 200 members with angle braces
AISC 360-16 · Bolts 83 % of capacity
Bracing and gusset nodesTubular braces bolted to the web of a deep girder
AISC 360-16 · Welds 76 % of capacityNeed a connection like this designed?
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