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Author(s):	Hulm, Felix; Kreutz, Johannes; Maier, Nadine; Mensinger, Martin; Ndogmo, Joseph
Title:
Abstract:	Im Teil 1 dieses Aufsatzes wurden Diagramme für die Dimensionierung bzw. den Nachweis von unversteiften Beulfeldern vorgestellt. Im vorliegenden Teil 2 werden längs ausgesteifte Beulfelder betrachtet. Insbesondere für ausgesteifte Beulfelder gestalten sich die in DIN EN 1993-1-5 enthaltenen Nachweisformate Methode der wirksamen Breiten und Methode der reduzierten Spannungen als sehr komplex. Aus diesem Grund wurden Diagramme zur Vordimensionierung von Längssteifen entwickelt, die es dem Ingenieur erlauben, mit möglichst wenig manuellem Rechenaufwand zutreffende Abmessungen zu ermitteln. Die Bemessungsdiagramme von Längssteifen verfolgen das Konzept von Mindeststeifigkeiten, welche mithilfe eines Verformungskriteriums aus der linearen Beulanalyse mit verschiedenen Geometrie- und Lastrandbedingungen abgeleitet werden. Dimensioning tools for stiffened and unstiffened buckling fields according to DIN EN 1993-1-5 - part 2: minimum stiffnesses of longitudinal stiffeners for stiffened buckling fields In part 1 of this paper, diagrams for the dimensioning and verification of unstiffened buckling zones were presented. In this part 2, longitudinally stiffened buckling fields are considered. Especially for stiffened buckling fields, the verification formats method of effective widths and method of reduced stresses contained in DIN EN 1993-1-5 turn out to be very complex. For this reason, diagrams for the pre-dimensioning of longitudinal stiffeners were developed, which allow the engineer to determine the correct dimensions with as little manual calculation effort as possible. The design diagrams of longitudinal stiffeners follow the concept of minimum stiffnesses, which are derived with the help of a deformation criteria from the linear buckling analysis with different geometry and load boundary conditions.
Source:	Stahlbau 91 (2022), No. 3
Page/s:	184-192
Language of Publication:	German

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