Hollow concrete block

Japanese: 空胴コンクリートブロック - くうどうこんくりーとぶろっく
Hollow concrete block

...A product made by molding and hardening concrete into a block shape. In architecture, it is mainly used to construct walls. There are hollow concrete blocks, which have a cavity for the purpose of reducing weight or inserting rebar, and thin-plate formwork concrete blocks in L- or Z-shapes, but when simply saying "concrete block," it usually refers to the former. In civil engineering, there are many types, such as for revetments and retaining walls.

*Some of the terminology that refers to "hollow concrete blocks" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…コンクリートをブロック状に成型,硬化させた製品。建築ではおもに壁体を構成するのに用いられ,軽量化や鉄筋の挿入などの目的で空胴を設けた空胴コンクリートブロックと,L形,Z形などの形状をした薄板状の型枠コンクリートブロックがあるが,単にコンクリートブロックという場合には前者を指すことが多い。土木では護岸用,土止め用など,種類が多い。…

※「空胴コンクリートブロック」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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