...Used for bulking, port construction, etc. Sulfate-resistant Portland cement Portland cement with 3CaO・Al 2 O 3 (C 3 A) content of 4% or less (normal Portland cement has 9%), giving it greater resistance to sulfates. It is highly resistant to sulfates in soil, sewage, wastewater, groundwater, and seawater. *Some terminology that mentions "sulfate resisting cement" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…増量用,港湾工事などに利用される。耐硫酸塩ポルトランドセメントsulfate resisting cementポルトランドセメント中の3CaO・Al2O3(C3A)の含有量を4%以下(普通ポルトランドセメント中には9%)におさえ,硫酸塩に対する抵抗性を強めたもの。土壌中の硫酸塩のほか,下水,排水,地下水,海水中の硫酸塩に高い抵抗性を示す。… ※「sulfate resisting 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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