TECHNICAL PAPERS
May 1, 2005

Fully Overlapping Nailed Joints with Steel Gussets in Timber Structures

Publication: Journal of Structural Engineering
Volume 131, Issue 5

Abstract

This paper presents an experimental investigation into the translational behavior of timber joints formed with steel gusset plates and connected by fully overlapping nails. Over 1,200 joints have been tested and their load–displacement characteristics studied, incorporating all of the factors that have influence on the strength and stiffness behavior of the joints. Using an empirical approach, a load–displacement model enveloping all displacement states up to failure is developed. The model incorporating characteristic properties is compared with the behavior of equivalent joints designed in accordance with Eurocode 5 rules. The comparison gives variable results and raises questions over the validity of the function being proposed in the code to allow for the effect of nail row spacing on joint strength.

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References

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British Standards Institution (BSI). (1995). “Structural timber—Determination of characteristic values of mechanical properties and density.” EN 384, London.
British Standards Institution (BSI). (1996). “Part 2: Structural use of timber—Code of practice for permissible stress design, materials and workmanship.” BS 5268, London.
Ehlbeck, J., and Larsen, H. J. (1993). “EC5—Design of timber structures: Joints.” Proc., International Workshop on Wood Connectors, No. 7361, Forest Products Society, Madison, Wis., 9–23.
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Goh, H. C.-C. (1997). “Semi-rigid and rheological behaviour of mechanical joints in timber structures.” PhD thesis, Napier Univ., Edinburgh, U.K.
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McLain, T. E. (1976). “Curvilinear load–slip relations in laterally-loaded nail joints.” Proc., Forest Products Research Society, Madison, Wis., 33–51.
Morris, E. N. (1970). “An analysis of the load–slip curve for a nailed joint and the effect of moisture content.” J. Institute Wood Science, 5(25), 3–9.
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Porteous, A. (2003). “The structural behaviour of timber joints made with fully overlapping nails.” PhD thesis, Napier Univ., Edinburgh, U.K.
SaRibiero, R. A., and SaRibiero, M. G. (1991). “Load-slip behaviour of nailed joints: An improved model.” Proc., International Timber Engineering Conf., Vol. 3, London, 3–10.
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Information & Authors

Information

Published In

Go to Journal of Structural Engineering
Journal of Structural Engineering
Volume 131Issue 5May 2005
Pages: 806 - 815

History

Received: Mar 1, 2004
Accepted: Oct 11, 2004
Published online: May 1, 2005
Published in print: May 2005

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Notes

Note. Associate Editor: J. Daniel Dolan

Authors

Affiliations

Alexander Porteous [email protected]
Director, Jack Porteous Consultancy, St. Andrews, Scotland, UK E-mail: [email protected]
Abdy Kermani [email protected]
Reader and R&D Consultant in Timber Engineering, School of the Built Environment, Napier Univ., Edinburgh EH10 5DT, Scotland, UK E-mail: [email protected]

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