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Title:	Frames with unique global and local imperfection in the shape of the elastic buckling mode (Part 2)
Abstract:	This paper presents the procedure for members with a tapered section and/or non-uniform distribution of the compression force along their length. The arrangement of formulas from part 1 (s. last issue of “Stahlbau”) for arch structures with mutually inclined arches is shown too. Numerical examples in this part demonstrate a wide field of applications for the hinit,m imperfection, also for cases where other methods allowed for in EN1993-1-1:2005 and in EN1999-1-1:2005 are not applicable or can be used only as an approximation. The abbreviation hinit,m imperfection is used for equivalent unique global and local initial imperfection. Stabwerke mit einmaliger globaler und lokaler Imperfektion in der Form der elastischen Knickfigur (Teil 2). In diesem Beitrag wird das Verfahren für Bauteile mit veränderlichem Querschnitt und/oder mit ungleichmäßiger Druckbelastung vorgestellt sowie die Formeln für Tragwerke mit schräg zueinander stehenden Bögen. Numerische Beispiele in diesem Beitrag zeigen ein weites Anwendungsfeld der hinit,m Imperfektion, auch für Fälle, in welchen die in EN1993-1-1:2005 und in EN1999-1-1:2005 vorgesehenen Methoden nicht oder nur als eine Approximation verwendbar sind.
Source:	Stahlbau 82 (2013), No. 9
Page/s:	684-694
Language of Publication:	English

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