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Mechanical behaviour and 3D stress analysis of multi-layered wooden beams made with welded-through wood dowels
Date Issued
2012-01
Date Available
2013-02-20T11:41:06Z
Abstract
This paper presents experimental and numerical investigations on multi-layered timber beams using welded-through wood dowels in place of traditional poly(vinyl acetate) (PVAc)-adhesives (or metallic nails). Four-layer beams were constructed with varying numbers of dowels, in each, and then loaded using four-points bending tests to evaluate the mechanical performance of these beams. The practical difficulties encountered in constructing deeper multi-layer beams are discussed and possible solutions which have been employed for the purpose of this work, and proved successful are presented. In order to investigate thoroughly the full potential of multi-layered beams with a very limited number of experimental studies, a 3D FE model has been presented, validated against experimental results and then used to study some influential parameters. The results showed that a reasonable bending stiffness of multi-layered beams is achievable with a good combination of material and geometric parameters.
Type of Material
Journal Article
Publisher
Elsevier
Journal
Composite Structures
Volume
94
Issue
2
Start Page
313
End Page
321
Copyright (Published Version)
2011 Elsevier Ltd
Language
English
Status of Item
Peer reviewed
ISSN
02638223
This item is made available under a Creative Commons License
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