Dowel design - cticm

Dowel design – Fatigue verificationStress concentration for local and global action:Test• Geometrical KerfDesign according the structural stress concept – EN1993-1-9:∆Vx Sy∆ σ = kf , L⋅ + kf , GIy× tw⎛⎜∆N⋅⎝ A+∆MIy⋅ zD⎞⎟ ≤⎠∆σSγMf-f local = 6,45-f global = 1,5−∆σ s= 125 for machine gas-cut edges with shallow or regular drag-lines−∆σ s= 140 for machine gas cut or sheared material with grinded edges− In general re-entrant corners have to be improved by grinding (slope < 1 / 4)15/10/2012 Recent developments 42