Research Article
Dec 1975
Analysis and Design of Griplam Nailed Connections
Publication: Journal of the Structural Division
Volume 101, Issue 12
Abstract
A stress analysis for Griplam nailed connections is presented for loads parallel and loads perpendicular to the grain. For loads parallel to the grain, two modes of failure are studied: (1)Yielding of the nails in bending with simultaneous bearing failure of the wood under the nail shanks; and (2)wood failure around the group of nails. Maximum stresses in the wood are determined in terms of geometrical parameters of the connection: number of rows of nails, number of nails per row, nail penetration length, spacing of nails, and distances between the nail group and edges of the timber member. Ultimate loads are derived for both modes of failure and allowable loads are determined. For the second mode, Weibull's theory of brittle fracture applied to the longitudinal shear strength of wood is used. Good agreement is shown between theoretical failure loads and full-size connection test results using Douglas-fir. Design procedures are proposed.
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Information
Published In
Journal of the Structural Division
Volume 101 • Issue 12 • December 1975
Pages: 2537 - 2555
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Dec 1975
Published online: Feb 1, 2021
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Authors
Affiliations
Ricardo O. Foschi
Research Scientist, Western Forest Products Lab., Canadian Forestry Service, Vancouver, British Columbia, Canada
Jack Longworth, M.ASCE
Prof., Dept. of Civ. Engrg., Univ. of Alberta, Edmonton, Alberta, Canada
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.