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


IASS Symposium 2016

SESSION: Timber Structures & Environmental Compatibility

Engineered timber - innovative approaches for its structural enhancement

< 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: Engineered timber - innovative approaches for its structural enhancement
  • Author(s): Martin Trautz
  • Keywords: glue-laminated timber, continuously-threaded-screws, load-introduction-tests, load-deformationbehavior, digital image correlation
Abstract
Timber is a natural and early time building material which is very closely connected traditional workmanship. At the same time, it is also a modern material, because it is efficient and sustainable - as it binds carbon-dioxin. The evolution of manufacturing processes of man-made materials like screws and their combination with timber, e.g. as reinforcement, allows for a much more efficient utilization of this natural material than before and broadens its application in structural engineering and beyond. This paper presents innovative approaches to investigate the material behaviour of timber and to enhance its structural performance using continuously-threaded-screws as reinforcement or joining element. Hereto, results of stress and strain-distribution investigations in loaded specimens based on Digital Image Correlation (DIC) are presented. Based on visualizations, which provide a first time overall view of the strain-distributions in timber elements, loaded through continuously-threaded-screws, conditions were derived for dimensioning and the bond-behaviour of screw-reinforced timber.

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