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 of the European Society for Wood Mechanics - Vila Real, Portugal
Duration: 1 Jan 2004 → …
Conference number: 3

Conference

ConferenceThird International Conference of the European Society for Wood Mechanics
Number3
CityVila Real, Portugal
Period01/01/2004 → …

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