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Bending Properties of Cross Laminated Timber (CLT) with a 45° Alternating Layer Configuration
Luleå University of Technology, Sweden.
Luleå University of Technology, Sweden.
Luleå University of Technology, Sweden.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Hållbar Samhällsbyggnad, Träbyggande och boende.
2016 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 11, no 2, p. 4633-4644Article in journal (Refereed) Published
Abstract [en]

Bending tests were conducted with cross laminated timber (CLT) panels made using an alternating layer arrangement. Boards of Norway spruce were used to manufacture five-layer panels on an industrial CLT production line. In total, 20 samples were tested, consisting of two CLT configurations with 10 samples of each type: transverse layers at 45° and the conventional 90° arrangement. Sample dimensions were 95 mm × 590 mm × 2000 mm. The CLT panels were tested by four point bending in the main load-carrying direction in a flatwise panel layup. The results indicated that bending strength increased by 35% for elements assembled with 45° layers in comparison with 90° layers. Improved mechanical load bearing panel properties could lead to a larger span length with less material.

Place, publisher, year, edition, pages
2016. Vol. 11, no 2, p. 4633-4644
Keywords [en]
Mass timber engineering, Massive timber, Crosslam, X-lam, Solid wood panel, Solid timber system, Rolling shear, CLT manufacturing, CLT assembly, Multi-layer, Sustainable construction material
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-15771DOI: 10.15376/biores.11.2.4633-4644OAI: oai:DiVA.org:ri-15771DiVA, id: diva2:1037681
Available from: 2016-10-17 Created: 2016-10-17 Last updated: 2019-06-12Bibliographically approved

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