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


IASS Symposium 2016

SESSION: Metal Spatial Structures

Effect of joints eccentricity of web members on load-carrying capacity for parallel chord truss beams

< Table of Contents for Metal Spatial Structures
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Metal Spatial Structures
  • Pages: 10
  • Title: Effect of joints eccentricity of web members on load-carrying capacity for parallel chord truss beams
  • Author(s): Ryosuke Takaoka, Yoshiya Taniguchi, Susumu Yoshinaka
  • Keywords: rigid-jointed truss, joint eccentricity, shear failure
Abstract
It is well known that, to prevent flexural moments in truss members, they should be connected without joint eccentricity. Joints should be strong enough to transmit axial forces. Various industrialized joints have been developed for use in steel structures. We have studied a new jointing system for timber lattice structures. In designing timber structures, most designers wish to conceal steel jointing systems. Simpler jointing systems could be devised if some joint eccentricity were allowable. This study considers the effect of joint eccentricity on the load bearing capacity of parallel chord truss beams. A numerical study was carried out with the parameter of web member eccentricity to demonstrate the lowering of buckling loads and peak loads.

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