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Author(s):	Misiek, Thomas; Ummenhofer, Thomas; Frank, Friederike
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Abstract:	Sowohl Sicken und Versätze als auch angeschäumte oder geklebte Dämmstoffe können ebene Teilflächen dünnwandiger Bauteile stabilisieren: Sicken und Versätze sind sowohl bei Trapezprofilen als auch bei Sandwichelementen anzutreffen, der stabilisierende Einfluss des Dämmstoffs hingegen nur bei Sandwichelementen. Werden Trapezprofile mit einer kraftschlüssig angeschäumten Dämmstoffen versehen, treten auch hier beide Stabilisierungseffekte auf. Die kombinierte Berücksichtigung beider Effekte in den üblichen Bemessungsprozeduren wird erläutert. Basierend auf den dabei entwickelten Modellen werden Grundzüge für ein neues Bemessungsverfahren für Sandwichelemente mit leicht-profilierten Deckschichten eingeführt. Load-bearing capacity of longitudinally stiffened thin-walled sheeting on an elastic foundation. Both stiffeners and insulation materials bonded to the sheets can provide stabilization to cross-section parts of thin-walled building components. While stiffeners can be found both with trapezoidal sheeting and sandwich panels, the stabilizing effect of the insulation material can only be found with sandwich panels. If trapezoidal sheeting is provided with a force-fit connected insulation material, also both stabilizing effects apply. The inclusion and combination of both stabilization effects in the usual design and calculation procedures is explained in the paper. Based on the knowledge obtained with the design of trapezoidal sheeting, a new design and calculation concept for sandwich panels with lightly profiled faces is introduced.
Source:	Stahlbau 80 (2011), No. 9
Page/s:	650-655
Language of Publication:	German

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