Fly ash cement

Japanese: fly ash cement(英語表記)flyashcement
Fly ash cement

…Used for large concrete blocks such as dams, river and harbor construction, etc. Fly ash cement is a cement made by mixing fly ash with Portland cement. Fly ash is a spherical ash produced by burning pulverized coal, and its main components are alumina Al 2 O 3 and silica SiO 2.

*Some of the terminology that refers to "fly ash cement" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ダムなどの大塊コンクリート,河川・港湾工事などに用いられる。フライアッシュセメントfly ash cementポルトランドセメントにフライアッシュを混合したセメント。フライアッシュは微粉炭を燃焼させた球状の灰でアルミナAl2O3とシリカSiO2が主成分である。…

※「fly ash cement」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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