a cofferdam

listen to the pronunciation of a cofferdam
English - English
batardeau
coffer
cofferdam
A temporary watertight structure that is pumped dry to enclose an area underwater and allow construction work on a ship, bridge, or rig to be carried out; a caisson
cofferdam
An empty space that acts as a protective barrier between two floors or bulkheads on a ship
cofferdam
Watertight enclosure secured to a structure from which water is pumped to expose normally exposed surface
cofferdam
A water- tight inclosure, as of piles packed with clay, from which the water is pumped to expose the bottom of a river, etc
cofferdam
large watertight chamber used for construction under water
cofferdam
A temporary structure enclosing all or part of the construction area sot that construction can proceed in the dry
cofferdam
A temporary water-tight enclosure built in the water and pumped dry to expose the bottom so that construction of piers can be undertaken
cofferdam
The narrow, empty space between two adjacent watertight or oiltight compartments This space is designed to isolate the two compartments from each other and/or provide additional buoyancy It prevents any liquid contents of one compartment from entering the other in the event of a bulkhead failure In oil tankers, cargo spaces are usually isolated from the rest of the ship by cofferdams fitted at both ends of the tank body
cofferdam
Watertight enclosure from which water is pumped to expose the bed of a body of water in order to permit the construction of a pier or other hydraulic work. Cofferdams are made by driving metal sheetpiling (a series of thin, interlocking panels) into the bed to form a watertight fence. Roman engineers used cofferdams to found the piers of their arch bridges and aqueducts. See also caisson
cofferdam
and permit the laying of foundations, building of piers, etc
cofferdam
an open, box-like structure constructed to surround the area to be occupied and to permit draining of the enclosure so that excavation may be effected in open air In its simplest form, the dam consists of interlocking steel sheet piles
cofferdam
An empty space on board of a vessel between two bulkheads or two decks separating oil tanks from each other and/or the engine room or other compartments
cofferdam
a temporary dam-like structure constructed around an excavation to exclude water; see SHEET PILE COFFERDAM
cofferdam
Narrow space between two bulkheads or floors that prevents leakage between adjoining compartments
cofferdam
A temporary barrier, usually an earthen dike, constructed around a worksite in a reservoir or on a stream, so the worksite can be dewatered or the water level controlled so that construction can proceed in the dry
cofferdam
{i} temporary dam; waterproof enclosure for construction under water; partition or empty space on a ship that serves as protective barrier between bulkheads or two levels
a cofferdam
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