Interactive Resource icon  Axial Force Resistance of a Deck Structure in Compression

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Description: Extruded hollow profiles welded together (e.g. by friction stir welding) are suitable as deck structures for bridges. The deck will have large torsional stiffness why the concentrated load under the tyres of vehicles are effectively spread out. Often the deck is part of the main structure of the bridge so it will also be loaded in axial compression. In this example different types of hollow extrusions are compared to see the difference between truss-like cross section and frame cross section and also if the profiles are not welded together but joined together with grooves and tongues.
Keywords: cross section • compression • extrusion • joining
Categories: Materials > Metals & alloys > Aluminium & alloys
Applications > Construction
Properties > Mechanical & thermal
Other topics > Design
Created by: MATTER, The University of Liverpool
Frans Soetens, TNO
Torsten Höglund, KTH Royal Institute of Technology, Stockholm
Contributions: Jürgen Hirsch, Hydro Aluminium Deutschland GmbH
Jan Rothe, Rio Tinto Alcan
Steinar Lundberg, Hydro Aluminium Structures, Karmoy
Marc Ryckeboer, Sapa
Published by: European Aluminium Association, Brussels
License: This resource is released under the Creative Commons Attribution Non-Commercial No Derivatives license (2.0 UK: England & Wales).
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Date created: 22 January 2009
Date added: 17 December 2009
Resource ID: 2570