Question regarding 1993-1-9, closed stringer in orthotropic decks

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We are designing a steel bridge with 12mm top-plate and closed trapezoidial stringers. I am working with a FEM-modell and I am doing a fatigue analysis. I would be grateful for tips on how to calculate Δsigma for construction deatail 7, table 8.8 1993-1-9.




Edited by Stefan

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Disclaimer- probably not the answer you want.


Won't your stress be somehing you extract from your FE model in effect, based on the stress range in that part of the structure.


Then maybe you need to calculate the actual stress in the weld by hand(shear flow).

I hope I helped in some small way.


Good luck 

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