Ingenieurwissenschaften und zugeordnete Tätigkeiten
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- Weld residual stresses (1) (entfernen)
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Currently, residual stresses in welded HSLA (high strength low alloyed steels) are considerded by simplified “robust” procedures fixed in common standards (such as Eurocode 3). The models are mostly based on specimens from mild steel with lower strength. For HSLA, necessary material data is less available for realistic assessment of the appearing residual stresses in typical I-girders. Hence, the economic benefit of HSLA steels in scope of load bearing capacity cannot fully be exploit. Thus, the scope of this work is the measurement of weld residual stresses in component-like I-girders S355 and S690 by sectioning method and subsequent verification by global structural welding simulation.