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IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century


IASS Symposium 2016

SESSION: Timber Structures & Environmental Compatibility

Study on jointing system of torus double-layer lattice structures consisting of rectangular section members

< Table of Contents for Timber Structures & Environmental Compatibility
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Timber Structures & Environmental Compatibility
  • Pages: 6
  • Title: Study on jointing system of torus double-layer lattice structures consisting of rectangular section members
  • Author(s): Yuki Taniguchi, Yoshiya Taniguchi, Hitoshi Okuyama
  • Keywords: lattice structures, timber, joint variations, contact of cross section, twisted
Abstract
This paper highlights the joints geometry of timber lattice structures consisting of rectangular section members to abandon such the screw jointing technology. Torus shape is adopted as a building shape to reduce jointing variations. The two curvatures and depth determine the geometry of a basic structural unit. In the timber lattice structures developed, the compressive axial member forces are directly delivered by the contact of cross sections. It should be noted that if the double-layer lattice structures have two curvatures, the web members must be twisted to be connected to the top and bottom nodes. The difference of such member chord angles is also investigated.

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