Last Updated
：2025/11/25
coffer-dam
Noun
Japanese Meaning
（工学）水中での作業のため、水を遮断し内部を乾燥状態に保つ、一時的な防水囲い壁。例えば、橋梁やその他の水上構造物の基礎工事に用いられる。
Sense（1）
（ plural ）
Quizzes for review
(engineering) A type of watertight enclosure used to create a dry foundation for building bridges and other structures over water.
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coffer-dam
The engineers installed a coffer-dam around the pier to pump out water and pour a concrete foundation.
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The engineers installed a coffer-dam around the pier to pump out water and pour a concrete foundation.
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