1. CofferdamA cofferdam (also called a coffer) is a temporary enclosure built within, or in pairs across, a body of water and constructed to allow the enclosed area to be pumped out, creating a dry work environment for the major work to proceed. Enclosed coffers are commonly used for construction and repair of Oil platforms, bridge piers and other support structures built within or over water.
Read “Cofferdam” on English Wikipedia
Read “囲い堰” on Japanese Wikipedia
Read “Cofferdam” on DBpedia
Read “Cofferdam” on English Wikipedia
Read “囲い堰” on Japanese Wikipedia
Read “Cofferdam” on DBpedia
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