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A semi-automatic method to determine the wood failure percentage on shear test specimens

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Abstract

An alternative method to quantitatively determine the wood failure percentage on shear test specimens was developed, experimentally tested and successfully applied to specimens with typical combinations of adhesive types and wood species used by the glulam industry in Switzerland. The method consists of a staining technique for a better differentiation of wood fibers and adhesive, and an image processing procedure for a standardized estimation of the fractured surface ratio covered by wood fibers and adhesive, respectively. The semi-automatic method allows for a more objective determination of wood failure percentage and is suitable for quality control in the glulam industry.

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Authors and Affiliations

  1. Wood Laboratory, Empa, Swiss Federal Laboratories for Materials Testing and Research, Ueberlandstrasse 129, 8600, Duebendorf, Switzerland

    Tina Künniger

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  1. Tina Künniger
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Correspondence to Tina Künniger.

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Künniger, T. A semi-automatic method to determine the wood failure percentage on shear test specimens . Holz Roh Werkst 66, 229–232 (2008). https://doi.org/10.1007/s00107-008-0236-6

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  • DOI: https://doi.org/10.1007/s00107-008-0236-6

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