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Which configuration is better, finger jetty or T-shaped jetty?

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Finger jetty is a more efficient pier structure because it could accommodate vessels at both sides of the jetty. However, there should be sufficient water depth as the berths at finger jetty is relatively close to shoreline when compared with T-shaped jetty so that it is anticipated that vessels are required to berth at shallower water. Moreover, there should be no cross current to enhance berthing at both sides of finger jetty. Also, as mooring points are often located on the jetty, leads are not ideal for larger ships.

T-shaped jetty allows higher water depth for vessels to berth. Moreover, with the installation of breasting dolphins and mooring dolphins, it allows the berthing of larger vessels.

Finger jetty and T-shaped jetty

This question is taken from book named – A Closer Look at Prevailing Civil Engineering Practice – What, Why and How by Vincent T. H. CHU.

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