Girder bearing on concrete: welded I 1200 on an anchored base
A 1.2 m deep welded I-girder sits on a stiffened bearing on a concrete block, fixed with M30 anchors. Anchors, the concrete block, shear transfer and the welds are all checked in one model.
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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
- welded I 1200×400 (S235JR), HSS 203.2×203.2×15.9 (S235JR)
- Anchors
- M30 8.8
- Welds
- fillet, throat 5.7–11.2 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.
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Send the member sizes and forces, or the analysis model. You get the checked connection with its report and detail sketches.
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