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Further development of cross laminated timber (CLT) – mechanical tests on 45° alternating layers
Luleå University of Technology, Luleå; University of Mosul, Iraq.
Luleå University of Technology, Luleå.
Luleå University of Technology, Luleå.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Hållbar Samhällsbyggnad, Träbyggande och boende.
2016 (English)In: WCTE 2016: World Conference on Timber Engineering, 2016, p. 1107-1114Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, a series of experimental bending and compression tests were performed on cross-laminated timber (CLT) products with ±45° alternating layers, to evaluate their performance against conventional panels of 90° orientation. Engineered wood products, such as 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 an industrial CLT production line with either of these two configurations, were tested 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 fourpoint bending tests for panels containing ±45° alternating layers compared with 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 layers has increased strength and stiffness compared to 90° alternating layers. These findings suggest that further developments in CLT are feasible in advanced building applications.

Place, publisher, year, edition, pages
2016. p. 1107-1114
Keywords [en]
Crosslam, X-lam, Panel configuration, CLT assembling, CLT manufacturing, Mass timber engineering, Experimental study, Destructive testing, Influence of orientation
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-15772Scopus ID: 2-s2.0-85010977233ISBN: 978-3-903024-35-9 (electronic)OAI: oai:DiVA.org:ri-15772DiVA, id: diva2:1037682
Conference
World Conference on Timber Engineering 2016 (WCTE 2016), August 22-25, 2016, Vienna, Austria
Available from: 2016-10-17 Created: 2016-10-17 Last updated: 2019-08-08Bibliographically approved

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CiteExportLink to record
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  • harvard1
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Output format
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