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Comparison of Different Assembling Techniques Regarding Cost, Durability, and Ecology: A Survey of Multi-layer Wooden Panel Assembly Load-Bearing Construction Elements
Department of Engineering Sciences and Mathematics, Luleå University of Technology.
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, Sweden.
2015 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 10, no 4, 8378-8396 p.Article in journal (Refereed) Published
Abstract [en]

Wood is a pure, sustainable, renewable material. The increasing use of wood for construction can improve its sustainability. There are various techniques to assemble multi-layer wooden panels into prefabricated, load-bearing construction elements. However, comparative market and economy studies are still scarce. In this study, the following assembling techniques were compared: laminating, nailing, stapling, screwing, stress laminating, doweling, dovetailing, and wood welding. The production costs, durability, and ecological considerations were presented. This study was based on reviews of published works and information gathered from 27 leading wood product manufacturing companies in six European countries. The study shows that the various techniques of assembling multi-layer wooden construction panel elements are very different. Cross laminated timber (CLT) exhibited the best results in terms of cost and durability. With regard to ecological concerns, dovetailing is the best. Taking into account both durability and ecological considerations, wooden screw-doweling is the best. These alternatives give manufacturers some freedom of choice regarding the visibility of surfaces and the efficient use of lower-quality timber. CLT is the most cost-effective, is not patented, and is a well-established option on the market today.

Place, publisher, year, edition, pages
2015. Vol. 10, no 4, 8378-8396 p.
Research subject
Wood Technology
URN: urn:nbn:se:ltu:diva-6194Local ID: 46395d70-95a9-4286-9834-bb37c6c45a47OAI: diva2:979071
Validerad; 2015; Nivå 2; 20150827 (aliwan)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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