Pinned beam splice
Detail view
The bearing resistance is based on the resistances of following components:
- The beam web in shear Fvbw,Rd (usually the decisive component)
The shear length
- The shear resistance in thread of n bolts nFb,v,Rd
- The bearing resistance of bolts in end plate nFb,b,Rd (the resistance may be calculated as a sum of resistances of inner and edge bolts)
- The shear resistance of welds Fw,v,Rd
- The shear resistance of end plate Vp,v,Rd in the cross-section with gaps. This can be neglected if Av,net/Av> fy/fu. In the end plate cross-section is considered only a half of the force in a beam.
The bending resistance and the interaction with shear may be limiting for long end plates.
Cross-section of end plate with gaps
The bearing capacity of the connection is given by the minimum
The connection may be considered as a pinned one if the beam rotation does not cause the contact of bottom flange with a second beam.
Rotation of beam end
The remaining tensile resistance for the interaction of tension and shear shall be able to transfer full plastic moment resistance of connected end plate. Therefore, the thickness of the plate should be limited
Where d is bolts diameter. Welds are designed in that way, that they are able to transfer full plastic resistance moment of the plate in tension.