Relationship between microcell corrosion and macrocell corrosion of reinforcing steel in concrete structures

被引：0

作者：

Cao, Zhong-Lu ^{[1
,2
,3
]}

Mi, Sheng-Dong ^{[1
]}

Chen, Hao-Yu ^{[1
]}

Su, Zhong-Chun ^{[1
]}

Wei, Lian-Yu ^{[2
]}

Hibino, Makoto ^{[3
]}

机构：

[1] CCCC First Harbor Engn Co Ltd, Tianjin Port Engn Inst Ltd, Tianjin, Peoples R China

[2] Hebei Univ Technol, Sch Civil Engn, Tianjin, Peoples R China

[3] Kyushu Inst Technol, Dept Civil Engn, Kitakyushu, Fukuoka, Japan

来源：

GREEN BUILDING, ENVIRONMENT, ENERGY AND CIVIL ENGINEERING | 2017年

关键词：

reinforcing steel; concrete; microcell corrosion; macrocell corrosion;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The relationship between microcell corrosion and macrocell corrosion of reinforcing steel embedded in chloride-free or contaminated concrete was investigated by comparing and analyzing the polarization curve and corrosion rate. The results indicated that the anodic/ cathodic polarization curve of reinforcing steel in the microcell corrosion state could be used to predict the macrocell polarization behavior of cathodic steel or anodic steel in the macrocell corrosion state. There was a good relationship between macrocell and microcell corrosion current density, which was affected by the initial surface condition of steel. This relationship could provide a theoretical basis for predicting the magnitude of the macrocell corrosion rate from the calculated value of the microcell corrosion rate

引用

页码：303 / 308

页数：6

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