Resilient Ferry Slip with Retractable Fender

by J. F. Picco,
Virgil Blancato,

Serial Information: Journal of the Waterways and Harbors Division, 1968, Vol. 94, Issue 3, Pg. 297-304

Document Type: Journal Paper


The design of a ferry slip using retractable contact frames, moving inward and upward on bearing brackets with tracks of various inclination is described. The rigid frame on which the brackets are fastened is explained in detail and its stability analyzed. The movable frames with rotating contact cylinders are described and evaluated. The kinetic energy transmitted to the slip by a 3,000-ton ferry approaching with a speed of 3 fps is calculated. The energy absorption capacity of the various frames of the slip under different acting force is determined. The various advantages, functional and economical, of this new design of a ferry slip with the retractable fender, over the ferry slip, are enumerated.

Subject Headings: Ferries | Fenders | Rigid frames | Fastening | Rotation | Cylinders | Kinetics | Absorption

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