Cofferdam - significado y definición. Qué es Cofferdam
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Qué (quién) es Cofferdam - definición

TEMPORARY CONSTRUCTION PREVENTING WATER PASSAGE
Coffer dam; Coffer-dam; Coffer dam method; Cofferdams
  • Olmsted Lock and Dam]]
  • Inside of a cofferdam on a vessel
  • lock]]s at the Montgomery Point Lock and Dam

Cofferdam         
·noun A water-tight inclosure, as of piles packed with clay, from which the water is pumped to expose the bottom (of a river, ·etc.) and permit the laying of foundations, building of piers, ·etc.
cofferdam         
¦ noun a watertight enclosure pumped dry to permit construction work below the waterline, as when building bridges or repairing a ship.
Cofferdam         
A cofferdam is an enclosure built within a body of water to allow the enclosed area to be pumped out. This pumping creates a dry working environment so that the work can be carried out safely.

Wikipedia

Cofferdam

A cofferdam is an enclosure built within a body of water to allow the enclosed area to be pumped out. This pumping creates a dry working environment so that the work can be carried out safely. Cofferdams are commonly used for construction or repair of permanent dams, oil platforms, bridge piers, etc., built within water.

These cofferdams are usually welded steel structures, with components consisting of sheet piles, wales, and cross braces. Such structures are usually dismantled after the construction work is completed.

The origin of the word comes from coffer (originally from Latin cophinus meaning "basket") and dam from Proto-Germanic *dammaz meaning "barrier across a stream of water to obstruct its flow and raise its level").

Ejemplos de uso de Cofferdam
1. Amid thickly–dotted steelworks, thousands of workers, either Sudanese or Chinese, were busy working on the cofferdam.
2. "Blasting away the concrete cofferdam ... will spark off no severe geological disasters," Li Yong‘an, general manager of China Yangtze River Three Gorges Development Corporation, was quoted as saying.
3. The barrier, called a cofferdam, was used to hold back the waters of the Yangtze River while the permanent structure of the dam was built.
4. The 12–second series of blasts sent the '0–foot top section of the temporary cofferdam tumbling into the river, the official Xinhua News Agency reported.
5. Enough explosives to bring down 400 ten–storey buildings were used during the destruction of the temporary dam, known as a cofferdam, Chinese state media reported.