Quay Wall Influence on Passing-Ship Induced Mooring Loads

Flory, John F.; Fenical, S.

doi:10.1061/41098(368)12

Cited by 5 publications

(2 citation statements)

References 7 publications

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“…Flory (2001Flory ( , 2002 has presented empirical methods of estimating the time-varying forces and moments. The effects of quay wall influence on passing ship-induced mooring loads have been addressed by Flory and Fenical (2010). Seelig (2001) generally addresses passing ship effects on moored ships.…”

Section: Superimposition Of Wave Motion Effectsmentioning

confidence: 99%

Mooring of Ships to Piers and Wharves

Gaythwaite¹

2014

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Section: Superimposition Of Wave Motion Effectsmentioning

confidence: 99%

Mooring of Ships to Piers and Wharves

Gaythwaite¹

2014

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“…Passing ship effects in restricted channels have now been studied using computer simulation. Fenical (19), Flory (20) The study found that surge forces on a vessel moored alongside a vertical quay wall in a wide channel are essentially doubled, while the sway forces and yaw moments are essentially halved.…”

Section: Passing Ship Problemsmentioning

confidence: 99%

Mooring System Integrity in Exposed Locations and Narrow Channels

Flory¹,

Banfield

2013

ASME/USCG 2013 3rd Workshop on Marine Technology and Standards

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Larger vessels are now being moored at terminals which are exposed to high waves and in channels which are subjected to passing-ship-induced forces. These situations increase mooring line wear and loads and sometimes cause mooring failures. This paper will discuss some of the associated problems and some of the solutions. Use of high-performance fiber ropes instead of wire ropes can decrease mooring loads. These mooring line ropes can be handled by fewer people. The risk of injuries is greatly reduced. When properly cared for, these fiber ropes last longer than wires in service. But fiber ropes are vulnerable to abrasion damage, especially in vessel fairleads. Special nylon fairlead liners are now available to eliminate this wear problem. Fiber rope tails are used on mooring lines to increase stretch and reduce peak loads. Greater vessel motions at exposed location moorings have caused cyclic loading fatigue in nylon tails. Industry recommendations have now been clarified to allow the use of longer nylon tails and of polyester tails. More durable nylon tails are now available. Larger vessels entering into and mooring along confined channels increase the risks of passing ship problems. Passing-ship induced forces increase with vessel size and with the greater speed at which larger vessels must pass in order to maintain steerage. Computer mooring analyses should be conducted to ensure that mooring arrangements are adequate. These analyses should account for effects of waves at exposed locations and should include appropriate passing-ship forces. This paper will be of interest to designers and operators of large vessels and of marine terminals intended for such vessels. Paper published with permission.

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2014

Mooring of Ships to Piers and Wharves

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Quay Wall Influence on Passing-Ship Induced Mooring Loads

Cited by 5 publications

References 7 publications

Mooring of Ships to Piers and Wharves

Mooring of Ships to Piers and Wharves

Mooring System Integrity in Exposed Locations and Narrow Channels

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