River construction - Kasenkouji

Construction work carried out on rivers for flood prevention, construction and maintenance of navigation channels and low-water channels, preservation and improvement of the river environment, etc. Construction work for flood prevention is called high-water construction, and includes embankment construction, revetment construction, river channel excavation construction, cut-off channel and spillway excavation construction, etc. Construction work for the construction and maintenance of navigation channels and low-water channels is called low-water construction, and includes construction to develop and maintain the flow path within the river channel as a navigation channel, and construction to develop and maintain low-water channels.

[Noboru Ikawa]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

洪水防御、舟運路(しゅううんろ)・低水路の整備・維持、河川環境の保全・整備などのために河川で行われる工事。洪水防御のための工事は高水(こうすい)工事といい、築堤工事、護岸工事、河道掘削工事、捷水路(しょうすいろ)・放水路開削工事などがある。舟運路・低水路の整備・維持のための工事は低水(ていすい)工事といい、河道内の流路を舟運路として整備・維持する工事、低水路を整備・維持するための工事などがある。

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