英和和英

名詞

cofferdam (複数形 cofferdams)

1. 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.
   • 1992, Cormac McCarthy, All the Pretty Horses, →ISBN:

     Downstream there was a small wooden cofferdam and when he woke there were naked children splashing in the pool there and he rose and wrapped his jacket about his waist and walked out along the bank where he could sit and watch them.

   • 2022 January 12, “Network News: First pier cast for HS2's Colne Valley Viaduct”, in RAIL, number 948, page 10:

     Where the viaduct crosses the lake, the piles will be bored directly into the lakebed, using a cofferdam to hold back the water while the pier is built.

2. (nautical) An empty space that acts as a protective barrier between two floors or bulkheads on a ship.

等位語

• caisson, a similar permanent structure