Lifting Lug with Pinhole Bushing
Publication: Practice Periodical on Structural Design and Construction
Volume 23, Issue 2
Abstract
Lifting lugs are most commonly designed as a flat plate with a hole to receive a shackle or as a flat plate with reinforcing plates, typically called cheek plates or doubler plates, on both sides of the main plate to reinforce the area around the pinhole. The means of design of these lugs are familiar and addressed in the literature. An alternate configuration of lifting lug uses a flat plate with a hole into which is welded a tubular bushing, the length of which may be either equal to or greater than the thickness of the plate. This article presents the derivation of a practical design method that is appropriate for use in the design of such lifting lugs.
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References
AISC. (1989). Specification for structural steel buildings—Allowable stress design and plastic design, 9th Ed., Chicago.
AISC. (2016). Specification for structural steel buildings, 15th Ed., Chicago.
ASME. (2017). “Design of below-the-hook lifting devices.” BTH-1-2017, New York.
Duerr, D. (2006). “Pinned connection strength and behavior.” J. Struct. Eng., 182–194.
Johnston, B. G. (1939). “Pin-connected plate links.” Trans. ASCE, 104(1), 314–339.
Information & Authors
Information
Published In
Practice Periodical on Structural Design and Construction
Volume 23 • Issue 2 • May 2018
Copyright
© 2018 American Society of Civil Engineers.
History
Received: Aug 10, 2017
Accepted: Nov 3, 2017
Published online: Mar 13, 2018
Published in print: May 1, 2018
Discussion open until: Aug 13, 2018
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