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A breakwater structure is designed to absorb the energy of the waves that hit it, either by using mass (e.g. with caissons), or by using a revetment slope (e.g. with rock or concrete armour units). In coastal engineering, a revetment is a land-backed structure whilst a breakwater is a sea-backed structure (i.e. water on both sides).
Altars (stepped sides) of South Brisbane Dry Dock, 2007 (HMAS Diamantina to the right) The original section of the South Brisbane Dry Dock is U-shaped with stepped sides while the 1887 extension has sloping sides. [1] The dock was originally 320 feet (98 m) long, but was extended to 420 feet (130 m).
North Jetty on the left and South Jetty on the right at the mouth of Sebastian Inlet in Florida from the Indian River to the Atlantic Ocean.. Jetties have been constructed on each side of the outlet river of some of the rivers flowing into the Baltic, with the objective of prolonging the scour of the river and protecting the channel from being shoaled by the littoral drift along the shore.
The port and starboard sides of the vessel always refer to the same portion of the vessel's structure, and do not depend on the position of someone aboard the vessel. The port side is the side to the left of an observer aboard the vessel and facing the bow, towards the direction the vessel is heading when underway in the forward direction. The ...
An old and simple slipway for smaller boats, Ystad, Sweden In its simplest form, a slipway is a plain ramp, typically made of concrete, steel, stone or even wood.The height of the tide can limit the usability of a slip: unless the ramp continues well below the low water level it may not be usable at low tide.
Old map Dkbkpl26: sequence N05—N09 Old map Dkbkpl27: sequence N08—N14 Old map Dkbkpl28: sequence S04—S07 Old map Dkbkpl29: sequence S12—S17 Old map Dkbkpl30: sequence S17—S19. Table of docks (past and present) in the Port of Liverpool, Liverpool, England. The table can be sorted on each of its columns by clicking the small box in the ...
Gladstone Dock in the foreground, with branch docks 1,2 & 3 (a former graving dock) from right to left. A branch dock is a dock that forms part of a large harbour system of interlinked docks. [1] Part of Liverpool's docks, showing Huskisson Dock and its three branches to the left, with Sandon Dock and its isolated basins at centre-right
A 17th century map by Wenceslaus Hollar showing position of various staithes in the Haven and the fortifications of the City Wall.. Hull lies at a naturally advantageous position for a port on the north side of the Humber Estuary, to the west of a bend southwards giving rise to (on average) deeper water; and the River Hull flows out into the Humber at the same point.