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An experimental and numerical study of the shape stability in glued columns
Chalmers University of Technology.
Chalmers University of Technology.ORCID iD: 0000-0001-5591-1045
Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
2005 (English)In: European Journal of Wood and Wood Products, ISSN 0018-3768, E-ISSN 1436-736X, Vol. 63, no 6, p. 423-429Article in journal (Refereed) Published
Abstract [en]

The study concerns the question of how the shape stability features of laminated columns of Norway spruce can be improved in terms of twist through optimal orientation of the individual laminates. Both experimental testing and numerical simulations were employed for evaluating twist stability. In all the columns studied, deformations were measured experimentally at different moisture content levels. A number of columns were also selected for numerical analysis in order to obtain a more thorough understanding of the twist behavior involved, their geometries and material properties of interest being determined. The experimental results showed the twist stability of the columns to be highly dependant upon the internal orientation of the individual laminates. It was also found that high quality columns in terms of shape stability could be manufactured, even when the center-core material has a strong twist tendency. The numerical simulations performed were in close agreement with the experimental results.

Place, publisher, year, edition, pages
Springer, 2005. Vol. 63, no 6, p. 423-429
National Category
Engineering and Technology Wood Science
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:lnu:diva-41212DOI: 10.1007/s00107-005-0058-8OAI: oai:DiVA.org:lnu-41212DiVA, id: diva2:800337
Available from: 2015-04-02 Created: 2015-03-22 Last updated: 2017-12-04Bibliographically approved

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Ormarsson, Sigurdur

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