Steel Buildings in Europe

Part 5: Joint Design 5 – 104 6.4 Base plate welds N Ed V Ed t p Basic requirement: For shear: V Ed  F w,Rd  ℓ weld,shear [Reference 4] For axial load: This check is only necessary when the contact faces of the column and base plate are not in tight bearing. See Reference [4] for more details. F Ed  F w,Rd  ℓ weld,axial where: F w,Rd is the resistance of the fillet weld per unit length = f vw,d  a f vw,d = w M2 u 3   f [EN 1993-1-8 §4.5.3.3(3)] f u is ultimate tensile strength of the weaker part joined  w = 0,8 for S235 steel = 0,85 for S275 steel = 0,9 for S355 steel = 1,0 for S460 steel a is the weld throat ℓ weld,shear is total effective length of the welds in the direction of shear ℓ weld,shear =   l s 2 2  (for IPE, HE, HD sections) l is the weld length in the direction of shear ℓ weld,axial is the total effective length of the welds to the column flange for rolled sections  M2 is the partial factor for welds from EN 1993-1-8 The leg length is defined as follows: 2 s a 

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