…In civil engineering terminology, it is also called a bridge. A structure that has a space under a traffic route and has the same purpose as a bridge, but has a particularly small span and is designed to support the load of soil cover (top soil), is called a culvert. It is not always clear what length is required to be called a bridge, but Japanese road technical standards require a span of 2 meters or more. … *Some of the terminology explanations that mention "culvert" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…土木工学上の専門用語では橋梁(きようりよう)ともいう。交通路の下に空間を有し,橋と同じ目的をもつが,ひとまたぎする長さ(支間あるいはスパンという)がとくに小さく,土被り(どかぶり)(上部の土)などの荷重も支えるように設計された構造物はカルバートculvert(溝渠)と称する。どの程度以上の長さのものを橋というかは必ずしも明確でないが,日本の道路技術基準では2m以上の支間としている。… ※「culvert」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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