...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 terminology that mentions "jet cement" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…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。… ※「jet 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 |
>>: Jesup, MK (English spelling)
〘Noun〙① A type of karuta gambling. It is played us...
Born: April 10, 1892, Jerzytsby, Posen Died Decemb...
What kind of infection is it? It is an acute febr...
Located in Aki District, Hiroshima Prefecture, sur...
This refers to communication using electromagneti...
…The prototype has a pair of appendages, but the ...
Please see the Emergency Currency page. Source: E...
" Centre spatial guyanais " is located i...
...This book also includes dialectal descriptions...
A combination lens with chromatic aberration corre...
...the amount of heat generated or absorbed is pr...
① An insect that is said to cause childhood jiro (...
...All of these have immediate effects. Preparati...
...Some of them, known collectively as Mughouse C...
A cultural theory that emerged in China in the mid...