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Vol. 40 (1999) No. 1 April n. 129

Simplexes in tensegrity systems

< Table of Contents for Vol. 40 (1999) No. 1 April n. 129
  • Journal Name: Journal of the International Association for Shell and Spatial Structures (J. IASS)
  • ISSN: (Electronic Version) 1996-9015
  • ISSN: (Print Version) 1028-365X
  • Issue: Vol. 40 (1999) No. 1 April n. 129
  • Title: Simplexes in tensegrity systems
  • Author(s): B-B Wang
  • Keywords: tensegrity, symplexes
Tensegrity systems are self-stressed equilibrium pin-jointed cable networks in which a continuous of cables (tensions) are stressed against a discontinuous system of struts; or rather cable networks composed of tensegrity simplexes. In this paper, the basic concepts of tensegrity are introduced. Tensegrity simplexes mainly contain four types: anti-prisms, ant truncated pyramids, reinforced anti-prisms and reinforced anti-truncated pyramids. The composition of these simplexes is given. Tensegrity simplexes can form tensegrity grids of either contiguous strut configuration or non-contiguous strut configuration, presenting different structural properties. Tensegrity simplexes can be further applied into tensegrity ring beams to form tensegrity cable domes and moreover, they can form tensegrity frameworks in the vertical direction. The application forms of tensegrity simplexes are summarised in a table. Because simplexes determine structural properties, the improvement of structural efficiencies should be based on the reform in simplexes, therefore, the author invents RP (Reciprocal Prism) simplexes and CP (Crystal-cell Pyramid) simplexes, etc. and set up a novel family of self-standing systems -cable-strut systems.

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