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A unified approach for the local buckling of sandwich panels and trapezoidal sheeting

Misiek, Thomas; Hassinen, Paavo

Failure of thin-walled building components like sandwich panels or trapezoidal sheeting is normally initiated through a local buckling of the plane elements of the cross-section. For trapezoidal sheeting, EN 1993-1-3 gives an equation for the determination of the effective width of these plane elements and thus for the calculation of the load-bearing capacity of these components. The cross-sectional parts of a lightly or strongly profiled facing of a sandwich panel can be regarded as elastically supported plane elements, whereas the elastic support is provided by the core material. For the determination of the load-bearing resistance of sandwich panels with lightly or strongly profiled facings, a calculation procedure to determine the effective width of the elastically supported plane elements is needed. Some approaches for the calculation of the effective width already exist. The papers published so far are using a modified buckling coefficient for the calculation of the buckling strength, following Winters approach such as given in EN 1993-1-3. Because no generally accepted design procedures exist, the load-bearing resistance of sandwich panels is determined experimentally. ... mehr

Volltext §
DOI: 10.5445/IR/1000018112
Cover der Publikation
Zugehörige Institution(en) am KIT Versuchsanstalt für Stahl, Holz und Steine (VAKA)
Publikationstyp Proceedingsbeitrag
Publikationsjahr 2010
Sprache Englisch
Identifikator ISBN: 978-1-905732-91-3
KITopen-ID: 1000018112
Erschienen in CIB World Congress 2010. Proceedings, 10-13 May, 2010, University of Salford, UK
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