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Effects of Foam Joints on the Flexural Wrinkling Strength of Sandwich Panels

Mahendran, Mahen & McAndrew, Duncan C. (2001) Effects of Foam Joints on the Flexural Wrinkling Strength of Sandwich Panels. International Journal of Steel Structures, 1(2), pp. 105-112.

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Abstract

In Australia, sandwich panels are commonly made of steel faces and expanded polystyrene foam cores. Flexural wrinkling is often the governing criterion in the design of these panels. The presence of joints between the polystyrene foam slabs in the transverse direction introduces a reduction to the flexural wrinkling stress of the panel. Therefore a series of full scale experiments and finite element analyses were conducted to evaluate the effects of transverse joints on the flexural wrinkling stress of sandwich panels with flat steel faces subjected to a lateral pressure loading. The results showed that the presence of transverse joints caused a significant reduction to wrinkling strength. This paper presents the details of this investigation, the results and comparison with available theoretical and design solutions.

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ID Code: 7616
Item Type: Journal Article
Additional Information: Access to the author-version is currently restricted pending permission from the publisher. For more information, please refer to the journal’s website (see link) or contact the author. Author contact details: m.mahendran@qut.edu.au
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Keywords: Sandwich panels, Flexural wrinkling, Foam joints, Finite element analyses, Full scale experiments
ISSN: 1598-2351
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2001 Korean Society of Steel Construction
Deposited On: 14 May 2007
Last Modified: 09 Jun 2010 22:40

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