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Bending tests on glulam-CLT beams connected with double-sided punched metal plate fasteners and inclined screws
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
2015 (English)Report (Other academic)
Abstract [en]

This report presents bending tests performed on composite beams made from glulam beams and cross laminated timber (CLT) panels. The composite beam, with a T-cross section, represents a section of a floor element in a multi-storey CLT construction system. The shear connections used were made either of double-sided punched metal plate fasteners, either of inclined screws, or of a combination of both fastener types. The screws are used to secure the shear connection with double-sided nail plates with respect to possible separation forces between the glulam and the CLT. An additional test with a screw glued connection was made for comparison as the upper bound case in terms of composite action. The results show the beams with double-sided nail plates (with or without screws) achieved a very high level of composite action and an overall satisfactory behaviour. Almost full composite action was achieved for the screw-glued composite beam. A detailed design example of the beam element according to the Eurocode 5 and Finnish National Annex is presented.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2015. , 64 p.
Technical report / Luleå University of Technology, ISSN 1402-1536
Research subject
Timber Structures
URN: urn:nbn:se:ltu:diva-23123Local ID: 5ac0a46b-ede4-4af6-8ae0-4409b6241d5fISBN: 978-91-7583-212-8 (PDF)OAI: diva2:996172
Modular industrialised cross laminated timber housing
Godkänd; 2015; 20150119 (nicjac)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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