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Vol. 44 (2003) No. 2 August n. 142


Novel Cable-Strut Grids made of Prisms: Part II. Deployable and Architectural Studies

< Table of Contents for Vol. 44 (2003) No. 2 August n. 142
  • 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. 44 (2003) No. 2 August n. 142
  • Pages: 109-125
  • Title: Novel Cable-Strut Grids made of Prisms: Part II. Deployable and Architectural Studies
  • Author(s): B. B. Wang and Y. Y. Li
  • Keywords: Tensegrity, Cable-Strut, Space Truss, Prism, Deployable, Architecture, Morphology.
Abstract
Cable-strut grids cover a wide variety of forms based on a large family of cable-strut simplexes. In the first of the two-part paper, the concept and basic properties of a novel type of cable-strut grids made of prisms (P simplexes), which utilize long edge cables and short internal struts to brace the volume, are studied. Studies show high structural efficiency of grids composed of P simplexes, although more efficient cable-strut grids are feasible. In addition to the traditional application as supporting grid structures, P grids have additional merits in deployable functions and expertise in architecture, which are focused in this second part. Discussion of deployment functions includes several possible means, including telescopic strut method, energy-loaded strut method and releasing cable method. In the architectural aspects, P simplexes are introduced in linear, planar, and space forms enriched by morphological studies. Finally, two concepts are presented to extend the invention in new architectural forms based on structurally efficient skeleton. One relies on reshaped simplexes itself to present aesthetics. The other expresses structural art through sculptures of shaped roof material supported by matched structural design.

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