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Thin-Walled Timber Structures

Gilbert, B. P. and Hancock, S. B. and Bailleres, H. (2014) Thin-Walled Timber Structures. In: Materials and Joints in Timber Structures. RILEM Bookseries, 9 . Springer Netherlands, pp. 119-128. ISBN 22110844 (ISSN)

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Article Link(s): http://dx.doi.org/10.1007/978-94-007-7811-5_11

Abstract

Due to their efficiency, lightweight, ease of erection and low cost, steel and aluminium thin-walled structures have become very popular in the construction industry over the past few decades. Applications include roof and wall systems (purlins and girts), storage racks, and composite concrete and steel slabs. The effectiveness of these structures lies in the cross-sectional shape of the profiles which enhances their strength by controlling the three fundamental buckling modes: local, distortional, and global. However, despite the attractiveness of these structures, steel and aluminium are greenhouse gas intensive materials and do not produce sustainable structural products. This paper presents an investigation performed at the Griffith School of Engineering, Griffith University, which shows manufacturing these types of profiles in timber is possible. Short composite thinwalled timber Cee-sections (500 mm long) were fabricated by gluing together thin softwood (Araucaria cunninghamii) veneers (1 mm thick). Two types of Ceesections were considered, one with a web stiffener to increase the local buckling capacity of the profile and one without. The profiles were tested in compression and the test results are presented and discussed in the paper in terms of structural behaviour and performance. Further research directions are proposed in order to provide efficient and lightweight sustainable structural products to the timber industry. © RILEM 2014.

Item Type:Book Section
Business groups:Horticulture and Forestry Science
Additional Information:Correspondence Address: Gilbert, B. P.; Griffith School of Engineering, Griffith University, Brisbane, Australia; email: b.gilbert@griffith.edu.au
Keywords:Araucaria Cunninghamii axial compression column tests post-buckling behaviour thin walled timber C-sections veneers
Subjects:Forestry > Research. Experimentation
Deposited On:01 Jul 2014 04:53
Last Modified:01 Jul 2014 04:53

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