...Used in sewage facilities, industrial wastewater facilities, port facilities, marine structures, and civil engineering work in volcanic areas. High early strength Portland cementThis cement has a maximum content of 3CaO・SiO 2 (C 3 S) of 67% (compared to 50% in regular Portland cement), giving it high early strength. It has three times the strength after one day and twice the strength after three days compared to regular Portland cement. *Some of the terminology that refers to "high early strength cement" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…下水施設,工場排水施設,港湾施設,海洋構造物,火山地の土木工事などに用いられる。早強ポルトランドセメントhigh early strength cementポルトランドセメント中の3CaO・SiO2(C3S)の含有量を67%(普通ポルトランドセメント中には50%)と最大限に保ち早強性を発揮させたセメント。普通ポルトランドセメントに比べ材齢1日で3倍,3日で2倍の強度を出す。… ※「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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