Size Effect in Tension Perpendicular to Grain

Thomas Astrup, Christian Odin Clorius, Preben Hoffmeyer, Lars Damkilde

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    The strength of wood is reduced when the stressed volume is increased. The phenomenon is termed size effect and is often explained as being stochastic in the sense that the probability of weak locations occurring in the wood increases with increased volume. This paper presents a hypothesis where the lower strength is caused by stress concentrations. The stress concentrations arise from the anisotropic structure of wood, and are therefore deterministic. The hypothesis is substantiated through extensive FEM-calculations and experiments. To some extent agreement between ultimate stresses determined experimentally and in FEM-computations was found.
    Original languageEnglish
    Title of host publicationProceedings of Third International Conference of the European Society for Wood Mechanics
    EditorsJosé Morais
    Place of PublicationPortugal
    PublisherUTAD, Portugal
    Publication date2004
    Pages159-166
    Publication statusPublished - 2004
    EventThird International Conference on the European Society for Wood Mechanics - Vila Real, Portugal
    Duration: 5 Sept 20048 Sept 2004
    Conference number: 3

    Conference

    ConferenceThird International Conference on the European Society for Wood Mechanics
    Number3
    Country/TerritoryPortugal
    CityVila Real
    Period05/09/200408/09/2004

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