Thin-shell Structure
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Thin-shell Structure
The Forest Opera, an open-air amphitheatre in Sopot, Poland, with a membrane roof.
Great Court, with a lattice thin-shell roof by Buro Happold with Norman Foster, British Museum, London

Thin-shell structures are also called plate and shell structures. They are lightweight constructions using shell elements. These elements, typically curved, are assembled to make large structures. Typical applications include aircraft fuselages, boat hulls, and the roofs of large buildings.

Definition

A thin shell is defined as a shell with a thickness which is small compared to its other dimensions and in which deformations are not large compared to thickness. A primary difference between a shell structure and a plate structure is that, in the unstressed state, the shell structure has curvature as opposed to the plates structure which is flat. Membrane action in a shell is primarily caused by in-plane forces (plane stress), but there may be secondary forces resulting from flexural deformations. Where a flat plate acts similar to a beam with bending and shear stresses, shells are analogous to a cable which resists loads through tensile stresses. The ideal thin shell must be capable of developing both tension and compression.[1]

Types

The most popular types of thin-shell structures are:

See also

References

  1. ^ Chen, Wai-Fah; Lui, E. M., eds. (2005-02-28). Handbook of Structural Engineering, Second Edition (2 ed.). Boca Raton: CRC Press. ISBN 9780849315695.

Further reading

  • Bechthold, Martin (2008-03-20). Innovative Surface Structures: Technologies and Applications (1 ed.). Abingdon: Taylor & Francis. ISBN 9780415419673.
  • Suchov, Vladimir G. (1990). Rainer Gaefe (ed.). VLADIMIR G. SUCHOV 1853-1939; Die Kunst Der Sparsamen Konstruktion (1st ed.). Stuttgart: Deutsche Verlags-Anstalt. ISBN 9783421029843.

External links


  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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