Does the fatigue design in CRANEWAY also consider welded stiffeners?

Answer

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


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 where is the stiffener.


Keywords

Fatigue design Stiffener Stress point Detail category

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

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