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Development, characteristics and comparative structural analysis of tensegrity type cable domes

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2010
74.pdf (3.929Mb)
Authors
Nenadović, Aleksandra
Article (Published version)
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Abstract
Tensegrity type cable domes are three-dimensional structural configurations, prestressed inside the perimeter compression ring, in which the continuous tension throughout the roof structure is made by continuous tension cables and discontinuous compression struts. These kinds of structures can be formed like spatially triangulated networks or like networks nontriangulated in space. This paper examines some effects of network geometry on the behaviour and structural efficiency of tensegrity type cable domes. In this paper the roof cover is considered non-interactive with the supporting structure, unlike rigidly clad tensegrity type cable domes. Since the main bearing elements of tensegrity type cable domes are prestressed cables, they show non-linear load deformation and rely upon geometric stiffness. A geometrically non-linear analysis of non-triangulated and triangulated structures for different load conditions was conducted employing a computer program based on the perturbation theor...y. The incrementally-iterative procedure, with an approximation of the stiffness matrix by combining the elastic and geometric stiffness matrix, allows detection of structural instabilities.

Keywords:
tensegrity type cable domes / prestress / network geometry / geometrically non-linear analysis / perturbation
Source:
Spatium, 2010, 22, 57-66
Publisher:
  • Institut za arhitekturu i urbanizam Srbije, Beograd

DOI: 10.2298/SPAT1022057N

ISSN: 1450-569X

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URI
http://raf.arh.bg.ac.rs/handle/123456789/76
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  • Publikacije istraživača / Researchers' publications
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Arhitektonski fakultet

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