Journal
WOOD SCIENCE AND TECHNOLOGY
Volume 46, Issue 5, Pages 927-938Publisher
SPRINGER
DOI: 10.1007/s00226-011-0449-4
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Funding
- State Secretariat for Education and Research of Switzerland (SER)
- European Cooperation in the field of Scientific and Technical Research (COST) [E53]
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Elastic material properties are one of the most important material characteristics in mechanical modelling. Wood with distinctively different properties in the longitudinal, radial and tangential directions exhibits a strong moisture-dependent material characteristic in the elastic range. In order to characterise beech wood as an orthotropic material, all of the independent elastic properties were determined at different moisture conditions. These characteristic properties have never been determined before as a function of moisture content yet are vital to the field of wood modelling. All elastic parameters, except for some Poisson's ratios, show a decrease in stiffness with increasing moisture content. In comparison to available literature references at a moisture content of omega a parts per thousand 12%, the identified values were of the same order of magnitude. The determined material properties can be used to investigate the mechanical behaviour of beech wood structures including different moisture conditions.
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