鋼こう矢や板いた

noun

steel sheet pile; steel piling

Technical term used in civil engineering and construction for interlocking steel sheets driven into the ground to form retaining walls or cofferdams.

• 河か川せん工こう事じで鋼こう矢や板いたを打うち込こむ。

  They drive steel sheet piles in river construction work.

• 鋼こう矢や板いたは土ど留どめや仮かり締しめ切きりによく使つかわれる。

  Steel sheet piles are often used for earth retaining and temporary cofferdams.