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


IASS Symposium 2016

SESSION: Timber Structures & Environmental Compatibility

Fatigue and creep characteristics of wooden space frame joint

< 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: 10
  • Title: Fatigue and creep characteristics of wooden space frame joint
  • Author(s): Katsuhiko Imai, Hiroyuki Miyahara, Shizuo Tsujioka, Kiyoshi Shogatsudani, Tadatoshi Furukawa, Masumi Fujimoto
  • Keywords: wooden space frame, fatigue, creep, wind load, snow load, tower structure, wide span, cored wood, culled wood
Abstract
As the wooden space frame system (KiTruss) grew in performance remarkably well because of recent developments and became comparable to steel space frames, KiTruss can be applied to outdoor use under wind load such as stadium roofs, observation towers, monuments, advertising towers and communication antennas for mobile phones. It can be also for used under long term large vertical loads such as wide span structures in regions of heavy snowfall and pedestrian bridges. This paper presents fatigue and creep characteristics of the KiTruss joint under tensile load. Both for repeated and long-term vertical loading, it was shown through the experiments that the KiTruss joint had excellent safe strength and deformation resistance against repeated and long-term loading. There is no previous research on the fatigue and creep characteristics of wooden space frame joints.

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