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Author(s):	Moosbrugger, Thomas; Bogensperger, Thomas; Krenn, Harald
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Abstract:	In der vorliegenden Arbeit werden, aufbauend auf die Bemessungsdiagramme für einen Biegeträger einer Dachkonstruktion mit homogenem Stabquerschnitt [1], die Erweiterung um den inhomogenen Stabquerschnitt (geschichteter Verbundquerschnitt) sowie die Implementierung der Schwingungsnachweise gezeigt. Während bei den Bemessungsdiagrammen für den homogenen Stabquerschnitt sowohl die ULS- als auch die SLS-Nachweise von Relevanz waren, treten bei Erweiterung um die Schwingungsnachweise sowie aufgrund der Einflüsse des inhomogenen Querschnittsaufbaues vorrangig die SLS-Nachweise auf. Das Schwingungsverhalten von Deckentragwerken wird wesentlich durch die Lagerungsbedingungen beeinflusst. Die Einspanneffekte im Bereich des Anschlussdetails Wand-Decke zufolge der Geschossauflasten werden bei der Bestimmung der Eigenfrequenz berücksichtigt. Design charts for a single spanned timber beam under bending - Part 2: Floor structures with inhomogeneous beam cross-section This paper presents an application of design charts for inhomogeneous cross-sections (layered composite section) and the implementation of vibration design criteria as extension of the charts for beams with homogeneous cross-sections in roof-structures according to selected European Design Standards published in [1]. While ULS and SLS criteria were nearly equally governing for the homogeneous cross-section, mainly SLS criteria are now governing due to the extension with vibrations and the influences of the inhomogeneous cross-sections. The vibrational behavior of floors is essentially influenced by the support conditions. Effects of moment restraints at the wall-floor-wall detail, activated by wall-loads from stories above, are systematically being taken into account.
Source:	Bautechnik 92 (2015), No. 4
Page/s:	283-294
Language of Publication:	German

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