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DIN EN 1993-1-9:2026
Eurocode 3 - Design of steel structures - Part 1-9: Fatigue; German version EN 1993-1-9:2025
EN 1993-1-9 gives design methods for the verification of the fatigue design situation of steel structures. Design methods other than the stress-based methods, such as the notch strain method or fracture mechanics methods, are not covered by EN 1993-1-9. EN 1993-1-9 only applies to structures made of all grades of structural steels which conform to EN 1993-1 (all parts), in accordance with the provisions noted in the detail category tables or annexes. EN 1993-1-9 only applies to structures where execution conforms to EN 1090-2. EN 1993-1-9 applies to structures operating under normal atmospheric conditions and with sufficient corrosion protection and regular maintenance. Theeffect of seawater corrosion is not covered. EN 1993-1-9 applies to structures with hot dip galvanizing in accordance with the provisions noted in the detail category tables or annexes. Microstructural damage from high temperature (> 150°C) that occurs during the design service life is not covered. EN 1993-1-9 gives guidance of how to consider post-fabrication treatments that are intended to improve the fatigue resistance of constructional details.
Deutsches Institut für Normung [din]