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Further Development of Cross-Laminated Timber (CLT): Mechanical Tests on 45° Alternating Layers
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.
SP Technical Research Institute of Sweden, SP Sustainable Built Environment, Skellefteå.
Number of Authors: 4
2016 (English)In: WCTE 2016 : Proceedings, Vienna: Vienna University of Technology, Austria , 2016Conference paper (Refereed)
Abstract [en]

In this paper, a series of experimental bending and compression tests wereperformed on cross-laminated timber (CLT) products with ±45° alternating layers, to evaluate their performance against conventional panels of 90° orientation. Engineered wood products, suchas CLT with ±45° alternating layers can provide opportunities for greater use in larger and more sustainable timber constructions. A total of 40 panels,manufactured in anindustrial CLT production linewith either of these two configurations, weretested and compared. Panels were evaluated in bending tests n=20 and the remaining ones in compression tests. Results showed that 35% increased the strength in the four-point bending tests for panels containing ±45° alternating layers comparedwith the 90° alternating layers. Compression strength was increased by 15%. Stiffness increased by 15% in the four-point bending and 30% in the compression. The results indicate that CLT containing ±45° alternating layershasincreasedstrength and stiffness compared to90° alternating layers These findings suggest that further developments in CLT are feasible in advanced building applications.

Place, publisher, year, edition, pages
Vienna: Vienna University of Technology, Austria , 2016.
National Category
Engineering and Technology Other Mechanical Engineering
Research subject
Wood Science and Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-60093ISBN: 978-3-903039-00-1OAI: oai:DiVA.org:ltu-60093DiVA: diva2:1044173
Conference
World Conference on Timber Engineering (WCTE 2016), Vienna, August 22-25 2016
Available from: 2016-11-02 Created: 2016-11-01 Last updated: 2016-12-01Bibliographically approved

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