Ultra High Early Strength Cement

Japanese: ultra high early strength cement(英語表記)ultrahighearlystrengthcement
Ultra High Early Strength Cement

...Used for emergency construction, construction during cold weather, secondary cement products, etc. Ultra high early strength Portland cement Also called jet cement. Cement with increased early strength by 68% more C 3 S than high early strength Portland cement, reduced 2CaO・SiO 2 (C 2 S) from 9% to 6%, finely pulverized to increase reactivity, and with a specific surface area about 1.8 times that of ordinary Portland cement.

*Some of the terminology that refers to "ultra high early strength cement" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…緊急工事,寒中工事,セメント二次製品などに利用される。超早強ポルトランドセメントultra high early strength cementジェットセメントjet cementともいう。早強ポルトランドセメントよりもC3Sを68%とさらに増し,2CaO・SiO2(C2S)を9%から6%と少なくし,そのうえ,反応性を高めるために微粉化し,比表面積を普通ポルトランドセメントの1.8倍程度として早強性を高めたセメント。…

※「ultra high early strength 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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