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Author(s):	Unterweger, Harald; Kettler, Markus; Zauchner, Paul
Title:
Abstract:	Steifenlose Krafteinleitungen bei Biegeträgern sind häufig gewünschte Konstruktionsdetails im Hochbau, die aktuell im Eurocode nicht direkt angesprochen sind. Im Zuge dieser Arbeit wird ein an der TU Graz entwickeltes vereinfachtes Ingenieurmodell hinsichtlich der Eignung bei gleichzeitig hoher Querkraft- und Biegemomentenbeanspruchung überprüft. Dieses Interaktionstragverhalten (Fz & Vz & My) wird anhand numerischer Studien eingehend dargestellt, mit und ohne Beulgefährdung im Trägersteg. Abschließend wird erläutert, in welcher Form das Ingenieurmodell in den zukünftigen neuen Eurocode prEN 1993-1-1 einfließen wird und wie eine deutlich umfassendere Lösung in zukünftigen nationalen Anwendungsdokumenten aussehen könnte. Transversal load introduction into unstiffened girder webs - interaction with shear force and bending moment and implementation in new Eurocode version Transversal load introductions into unstiffened girder webs are often used economic solutions in building structures, not directly covered in the current Eurocode. Within this paper an engineering design model, developed at TU Graz, is evaluated for cases with additional high shear forces and bending moments acting at the girder. The resulting load carrying behaviour, in cases of interaction between Fz & Vz & My, is presented, based on comprehensive numerical studies, also for girders which are susceptible to web buckling. Finally, the modified design model is presented, which will be part of the new Eurocode version prEN 1993-1-1. In addition, a more general solution is shown, which could also be implemented in the Eurocode in form of a national Annex.
Source:	Stahlbau 91 (2022), No. 12
Page/s:	812-825
Language of Publication:	German

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