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Title:	A component model for welded beam-to-column joints with beams of unequal depth
Abstract:	In many practical situations, internal nodes connect beams with unequal depth whenever the span lengths are not uniform. Following the methodology defined in EC 3-1-8, this paper presents a component model that is able to reproduce accurately the complex behavior of welded beam-to-column joints with beams of unequal height, which corresponds to a node configuration that is not yet covered in the EC 3 design rules. Based on an experimental program carried out at the University of Coimbra, the relevant components for the column web panel under a non-uniform stress state are characterized, leading to the development of a new design procedure that extends the scope of EC 3-1-8. Ein Komponenten-Modell für geschweißte Träger-Stützen-Verbindungen mit Trägern ungleicher Höhe. In vielen praktischen Situationen verbinden bei unterschiedlichen Spannweiten innere Knoten Träger ungleicher Höhe. Entsprechend der in EC 3-1-8 festgelegten Methodik stellt dieser Aufsatz ein Komponentenmodell für eine genaue Nachbildung des komplexen Verhaltens geschweißter Träger-Stützen-Verbindungen mit Trägern ungleicher Höhe vor, was einer Knotenkonfiguration entspricht, die durch die EC 3-Bemessungsregeln noch nicht abgedeckt ist. Auf Grundlage umfangreicher Versuchsserien an der Universität von Coimbra werden die Komponenten für die Stützenstege unter ungleichmäßiger Belastung modelliert, was zur Formulierung eines neuen Bemessungsverfahrens führt, das den Umfang der im EC 3-1-8 dargestellten Möglichkeiten signifikant erweitert.
Source:	Stahlbau 81 (2012), No. 4
Page/s:	290-303
Language of Publication:	English

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