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Author(s):	Strohmann, Isabel
Title:
Abstract:	Bei Rahmentragwerken werden in den hochbeanspruchten Ecken häufig Vouten angeordnet. Die statisch-konstruktiven Vorteile gevouteter Stäbe können derzeit nur für wenige Sonderfälle effizient genutzt werden, da die für den Tragsicherheitsnachweis erforderlichen Angaben fehlen. Es werden Bemessungshilfen für Bauteile mit und ohne Vouten vorgestellt. Diese beinhalten Bedingungen für die erforderliche Steifigkeit von sekundären Traggliedern, bei deren Einhaltung ein aufwändiger Biegedrillknicknachweis entfallen und somit die Querschnittstragfähigkeit voll ausgenutzt werden kann. Außerdem werden Regeln für das Herauslösen von Ersatzstäben aus dem Gesamtsystem angegeben. Design aids for the lateral torsional buckling analysis of haunched I-profiles (part II). In the highly stressed corners of frame structures often haunches are realized. Currently, the structural advantages of haunched members can be utilised efficiently for only a few special cases because of the lack of necessary information for the member checks. Design aids for the lateral torsional buckling check of members with and without haunches are presented. These include requirements concerning the stiffness of secondary members that permit to rule out failure due to lateral torsional buckling and to utilise the full resistance of the cross section if complied with. Furthermore, rules for breaking down structures for individual member checks are specified.
Source:	Stahlbau 80 (2011), No. 7
Page/s:	530-539
Language of Publication:	German

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