Online Google Dictionary

cofferdam 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˈkôfərˌdam/,/ˈkäfərˌdam/,
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cofferdams, plural;
  1. A watertight enclosure pumped dry to permit construction work below the waterline, as when building bridges or repairing a ship

  1. caisson: large watertight chamber used for construction under water
  2. A cofferdam (also called coffer) is an enclosure within a water environment constructed to allow water to be pumped out to create a dry work environment. ...
  3. 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; An empty space that acts as a protective barrier between two floors or bulkheads on a ship
  4. the space in a vessel between two closely located parallel bulkheads. back
  5. A watertight structure allowing underwater foundations to be built in the dry.
  6. A temporary structure designed to keep water and/or soil out of an excavation in which a bridge pier or other structure is to be built. It provides a safe environment in which to work and allows excavation and construction of structures in an otherwise poor environment. ...
  7. A cofferdam is an enclosed single or double wall-braced structure with walls sheeted with timber, concrete, or steel, and extending well below the bottom of excavation, when practical. Earthen or rockfill dikes, dams, or embankments are not considered cribs or cofferdams for this purpose. (3)
  8. A temporary structure built around a site to allow the removal of water and to permit free access to the area within. ...
  9. a temporary dam built to divert a river around a construction site sot he dam can be built on dry ground
  10. 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
  11. a temporary, watertight enclosure from which the water is pumped to expose the bottom and allow construction.
  12. temporary structure enclosing all or part of the construction area sot that construction can proceed in the dry
  13. 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.
  14. narrow vacant space between two bulkheads of a ship
  15. a temporary dam-like structure constructed around an excavation to exclude water; see SHEET PILE COFFERDAM
  16. A space within a steel structure that is not used for any specific purpose and is usually found in the double bottom hull of the ship such as the bilge keel space through which pipe-work is led.
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