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


IASS Symposium 2016

SESSION: Tension & Membrane Structures

Form-finding Analysis for Stabilized and Stiffened Structural System Using Tension Members

< Table of Contents for Tension & Membrane Structures
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Tension & Membrane Structures
  • Pages: 10
  • Title: Form-finding Analysis for Stabilized and Stiffened Structural System Using Tension Members
  • Author(s): Shingo Komikado, Yohei Yokosuka, Toshio Honma
  • Keywords: rigid body displacement, self-equilibrated axial force, total potential energy
Abstract
We organize the stable structures with prestress, which are separated into compression and tension groups, and propose structural model and form-finding analysis. Characteristic of the proposed model is simple mechanism to divide compression/tension members, and only tension members are used to stabilize and stiffen the structural form. In this paper, we indicate mechanical property of the solution form obtained by the form-finding analysis to focus on the total potential energy. Next, by using the geometrically nonlinear analysis with prestress in FEM, we compare structural forms which have different number of statically indeterminacy, and verify mechanical behavior and solution space under vertical and horizontal loads. Furthermore, we verify the model that structural members and nodal points are increased, and compare the grouping for tension members. From these results, we show the possibilities of stable structures with prestress obtained by the form-finding analysis.

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