Research Output
Axially loaded Helifx connectors in timber.
  This paper presents an experimental investigation on the withdrawal of a new connector type for use in structural timber. The structural performance of Helifix fasteners, which have been used as efficient wall ties and masonry repairs for a number of years, are investigated for use in a variety of timber connection systems. This paper details tests performed to investigate the withdrawal resistance and behaviour of Helifix fasteners in comparison to conventional nails. It also describes the effects of pilot hole diameter, timber density, depth of penetration and angle to the grain on the withdrawal resistance of the fasteners. The results show that Helifix fasteners achieve greater withdrawal resistance and exhibit a more ductile behaviour than common nails.

  • Date:

    16 November 2005

  • Publication Status:


  • Library of Congress:

    TA Engineering (General). Civil engineering (General)

  • Dewey Decimal Classification:

    624 Civil engineering


Coste, G. & Kermani, A. (2005). Axially loaded Helifx connectors in timber. In Egbu, C. O. & Tong, M. K. L. (Eds.). BookDepository Waterstone's WHSmith Blackwell Find in a library All sellers » Shop for Books on Google Play Browse the world's largest eBookstore and start reading today on the web, tablet, phone, or ereader. Go to Google Play Now » My library My History Books on Google Play Proceedings of the Second Scottish Conference for Postgraduate Researchers of the Built and Natural Environment (PRoBE), 421-429. ISBN 9781903661826



Fasteners; semi-empirical model; timber connections; withdrawal resistance

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