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Performance of helically shaped metal fasteners in timber.

Coste, Guillaume, Kermani, Abdy and Porteous, Alexander (2006) Performance of helically shaped metal fasteners in timber. Proceedings of the Institution of Civil Engineers, Construction Materials, 159 (2). pp. 53-60. ISSN 1747-650X

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Abstract/Description

This paper presents an experimental investigation into the withdrawal resistance of a new connector type for use in structural timber. The structural performance of several helically shaped metal fasteners, which for some years have been used as wall ties and in masonry repairs, are investigated for use in a variety of timber connection systems. This paper describes part of a research programme investigating the withdrawal resistance and behaviour of these fasteners compared with conventional nails. It also details the effects of predrilling, density of timber, depth of penetration and timber grain orientation on the withdrawal resistance of these fasteners. The results show that helically shaped metal connectors achieve greater withdrawal resistance and exhibit a more ductile behaviour than common nails. A semi-empirical model is developed to predict the withdrawal performance of the fasteners.

Item Type: Article
Print ISSN: 1747-650X
Electronic ISSN: 1747-6518
Uncontrolled Keywords: Helical fasteners; Withdrawal resistance; Laboratory tests; Effects; Timber properties; Performance model;
University Divisions/Research Centres: Faculty of Engineering, Computing and Creative Industries > School of Engineering and the Built Environment
Dewey Decimal Subjects: 600 Technology > 620 Engineering > 620 Engineering & allied operations
600 Technology > 620 Engineering > 624 Civil engineering
Library of Congress Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Item ID: 1958
Depositing User: RAE Import
Date Deposited: 19 Feb 2008 09:49
Last Modified: 21 Mar 2013 14:43
URI: http://researchrepository.napier.ac.uk/id/eprint/1958

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