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


IASS Symposium 2016

SESSION: Tension & Membrane Structures

Mechanical Characteristics of Large Span Spoked Wheel Systems

< 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: Mechanical Characteristics of Large Span Spoked Wheel Systems
  • Author(s): Kang-geun Park, Dong-woo Lee, Sang-Ju Lee
  • Keywords: geometrical nonlinear behavior, large span cable spoked wheel system, self-equilibrium structures, opposite curvature, upper bearing cable, lower stabilizing cable, mechanical characteristics
Abstract
The study is carried out to get the geometrical nonlinear behavior of large span cable spoked wheel system is defined as a self-equilibrium structure which consists of a compressive outer ring and radial cable trusses. The advantage of this cable system is the roof weight dramatically can reduce, the self-equilibrating effect and lightness are efficiently utilized to the large span roof of sports arena. A large span cable spoke wheel system is too flexible, cable roofs are stabilized by connecting by hangar cables for the upper bearing cable and lower stabilizing cable with strongly pre-stressed. A cable truss system is formed by cables with reverse curvature, double cable arrangement is more efficiently as a load bearing system, pre-tensioning strongly makes the structural stiffness. With the sets of cables having opposite curvature to each other, a cable truss is able to carry vertical load in both upward and downward direction.

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