Effect of Fly Ash on the Electrical Conductivity of Concretes

TB3; The fly ash occasionally has high content of iron oxide and carbon that are good electrical conducting components. This paper investigates the effect of the fly ash used as mineral admixtures on the electrical conductivity of concretes. The electrical properties of concretes using 3 kinds of fl...

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Bibliographic Details
Published in武汉理工大学学报（材料科学版）（英文版） Vol. 21; no. z1; pp. 127 - 131
Main Authors QIAN Jueshi, HE Gengxin, TANG Zuquan, WANG Zhi
Format Journal Article
LanguageEnglish
Published College of Material Science and Engineering, Chongqing University, Chongqing 400045, China 2006
Subjects
iron oxide content
fly ash
electrical conductivity
resistivity
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Summary:TB3; The fly ash occasionally has high content of iron oxide and carbon that are good electrical conducting components. This paper investigates the effect of the fly ash used as mineral admixtures on the electrical conductivity of concretes. The electrical properties of concretes using 3 kinds of fly ash with different iron oxide contents have been studied. Experimental results show that at the same fly ash dosage the resistivity of concrete using fly ash with high content of iron oxide is slightly lower than that with low content of iron oxide. However, the concrete resistivity after 14d increases as fly ash dosage increases regardless of iron oxide content in fly ash.
ISSN:1000-2413
1993-0437