The deformation and stresses in a circular wood log resulting from an arbitrary radial moisture distribution are examined. In this paper the log is modeled as a layered cylinder, with each layer assumed to be linearly elastic, cylindrically orthotropic, and homogeneous. The general solution to the e
Wood as a linear orthotropic viscoelastic material
โ Scribed by A. P. Schniewind; J. D. Barrett
- Publisher
- Springer
- Year
- 1972
- Tongue
- English
- Weight
- 878 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0043-7719
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โฆ Synopsis
Measurements were made of the principal components of the creep compliance tensor in the radial-longitudinal and the ~angential-longitudinal planes of Douglas-fir at 10 percent moisture content. Extensional creep compliance measurements at angles to the grain were also made. The results show that creep parallel to grain occurs at an increase in volume, and that creep at angles to the grain can be predicted from standard transformation equations. It is eoneluded that wood can be regarded as a linear or~hotropic viscoelastic material.
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