Sluiceway - Himon (English spelling)

Japanese: 樋門 - ひもん(英語表記)sluiceway
Sluiceway - Himon (English spelling)

A culvert (ankyo) is a drainage channel that crosses a levee to take irrigation water from a river or to drain water from a drainage channel into a river. It is also called a culvert. There are irrigation culverts (irrigation culverts) and drainage culverts (drainage culverts). Gates are installed at culverts. The gates are normally open, but are closed during floods to prevent floodwaters from flowing into the irrigation channels and drainage channels. A pumping station may be installed to drain water from the drainage channel into the river when the drainage culvert gates are closed.

[Noboru Ikawa]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

河川から用水を取水するためや、排水路の水を河川へ排水するために、堤防を横断してつくられる暗渠(あんきょ)。樋管(ひかん)ともいう。用水樋門(用水樋管)と排水樋門(排水樋管)がある。樋門にはゲートが設置される。ゲートは平常時は開けられているが、洪水時には閉鎖して洪水が用水路、排水路に流入しないようにする。排水樋門のゲートを閉じているときに排水路の水を河川に排水するために、排水機場を設置することがある。

[鮏川 登]

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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