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Abstract:	Dieser Aufsatz beschreibt - im dritten und letzten Teil - die Anwendung der “Allgemeinen Methode“ nach DIN EN 1993-1-1, Abschnitt 6.3.4 auf komplexe 3D-Konstruktionen. Es wird gezeigt, dass diese verblüffend einfache Nachweismethode gegen räumliches Stabilitätsversagen von Stahlkonstruktionen (vor allem mit dünnwandigen offenen torsionsweichen) Profilen zu gleichwertigen Ergebnissen führt wie die alternative, aber aufwendigere so genannte “Äquivalente Imperfektionsmethode“ nach DIN EN 1993-1-1, Abschnitt 5.3.2 (11). Die “Allgemeine Methode“ wird in Abschnitt 15 modifiziert und damit auch für Profile anwendbar, die unter reiner Normalkraftbeanspruchung mit Biegedrillknickversagen antworten. DIN EN 1993-1-1 based integrated stability analysis of 2D/3D steel structures (part 3). This paper - as the third and last part of a series of three parts - presents the use of the “General Method” of DIN EN 1993-1-1, chapter 6.3.4 for complex 3D steel structures. It shows that this surprising easy to handle method for global stability checks of spatial buckling behavior of steel constructions with thin-walled cross sections leads to the same results as the more complicate “Equivalent Imperfection Method” of DIN EN 1993-1-1, chapter 5.3.2(11), which uses the elastic global eigenshapes. In chapter 15 the “General Method” is modified in order to use it for structures with cross sections, which fail with flexural torsional buckling shapes.
Source:	Stahlbau 83 (2014), No. 5
Page/s:	325-342
Language of Publication:	German

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