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


IASS Symposium 2016

SESSION: Timber Structures & Environmental Compatibility

Experimental study on new jointing system for timber lattice structures by direct contact of member cross sections in the fiber direction

< 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: 7
  • Title: Experimental study on new jointing system for timber lattice structures by direct contact of member cross sections in the fiber direction
  • Author(s): Hitoshi Okuyama, Yoshiya Taniguchi, Yuki Taniguchi
  • Keywords: timber lattice structures, experimental study, new jointing system, direct contact of cross sections
Abstract
It may be important to use timbers from thinning, to maintain forest in a good condition. The timbers from thinning are usually irregular goods because of their shorter length or smaller cross section. Lattice structures have been often adopted in overcoming this disadvantage. Former timber lattice structures may mostly stand on the technology of industrial steel truss systems. In this paper, a new concept is introduced in the transmission of member axial forces. The compressive member axial forces are directly delivered by the contact of cross sections, that is, timbers are mutually contacted through cross sections. The other tensile and shear forces are mainly delivered by steel plates hidden in timbers with drift pins. This basic technology itself may be not innovative, however it may be sufficient to abandon the conventional manner in realizing timber lattice structures with a screw jointing system.

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