Research Article
Dec 1972
High Strength Bolted Galvanized Joints
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 98, Issue 12
Abstract
Tests on steel plates without overt stress concentrations show that hot dip galvanizing reduces the fatigue strength by only about 4% in zero to tension cycles. Galvanizing, in the presence of a notch, reduces fatigue strengths by up to 28% at some stress levels in zero to tension cycles. An analysis of the results indicates that this reduction is due to the loss of ductility of the galvanized steel plate as compared to the as-rolled (black) plate. Initial coefficients of friction for galvanized plates in these tests (0.12) were about one half of the value for plates with mill scale (0.21). In tests on high strength bolted joints, under reversed loading, galvanized joints locked up after a few cycles of load, and cyclic slip ceased. Because of this action and the fact that fatigue failures of the connections occurred in front of the net section, the fatigue strength of galvanized friction type connections was comparable to that of identical black connections in zero to tension and one half compression to tension cycles.
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Published In
Journal of the Structural Division
Volume 98 • Issue 12 • December 1972
Pages: 2723 - 2738
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: Dec 1972
Published online: Feb 1, 2021
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Authors
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D. J. Laurie Kennedy, M.ASCE
Prof. and Clmm., Div. of Solid Mech. and Struct. Engrg. Faculty of Engrg., Carleton Univ., Ottawa, 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.