Are welded-in stiffeners also taken into account for the fatigue design in CRANEWAY?

Answer

If stiffeners are welded into the crane runway, the corresponding notch category according to EN 1993-1-9, Table 8.4, detail 7 has to be considered for the fatigue design. This is implemented in CRANEWAY by creating additional stress points at the connection point of the stiffeners to the section. They can be adjusted manually in the settings for the detail categories depending on the geometry of the stiffener.


During the fatigue design of the craneway girder, the design of the axial stress range is additionally performed in the newly created stress points for the x-locations on which a stiffener is provided.


Keywords

Fatigue design Stiffener Stress point Notch category

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Stand-Alone Steel Structures
CRANEWAY 8.xx

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Design of crane runway girders according to EN 1993-6 and DIN 4132

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