Impressed current cathodic protection of chloride-contaminated RC structures with cracking: A numerical study
Impressed current cathodic protection of chloride-contaminated RC structures with cracking: A numerical study
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含氯离子污染 RC 结构开裂的外加电流阴极保护:数值研究
DOI:
10.1016/j.jobe.2021.102943
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发表时间:
2021-12
影响因子:
6.4
通讯作者:
Wang Yan
中科院分区:
文献类型:
--
作者:
Guo Bingbing;Qiao Guofu;Li Zhenming;Li Dongsheng;Dai Jinghui;Wang Yan
Impressed current cathodic protection (ICCP) is an effective and direct method for controlling the corrosion of reinforced concrete (RC) structures. However, few investigations related to ICCP in cracked RC structures have been reported. In this study, the effect of cracks in concrete cover on ICCP of chloride-contaminated RC structures was investigated through a numerical model including steel polarisation, electrode reactions, and ionic migration. In the developed numerical model, cracked concrete cover is assumed to consist of sound concrete and cracks, and cracks have their own ionic diffusion coefficients. The results indicate that the ICCP can maintain its ability to remove Cl−if concrete cover does not completely crack. Once the complete cracking in concrete cover occurs, the Cl−removal ability of ICCP would decrease or even disappear. Cracking does not cause any adverse effect on the pH improvement of ICCP. In this case, a stronger cathodic polarisation is recommended.
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影响因子:
3.3
作者:
Yu Wang;Long-Yuan Li;C. Page
通讯作者:
Yu Wang;Long-Yuan Li;C. Page
DOI:
10.5370/kiee.2010.59.11.1996
发表时间:
2010
期刊:
The Transactions of the Korean Institute of Electrical Engineers
影响因子:
--
作者:
Se-Jin Kim;Young-Gook Jung;Y. Lim;Seung-Hak Yang
通讯作者:
Se-Jin Kim;Young-Gook Jung;Y. Lim;Seung-Hak Yang
影响因子:
10.5
作者:
B. Šavija;J. Pacheco;E. Schlangen
通讯作者:
B. Šavija;J. Pacheco;E. Schlangen
影响因子:
11.4
作者:
Spiesz, P.;Brouwers, H. J. H.
通讯作者:
Brouwers, H. J. H.
DOI:
10.1179/000705999101500932
发表时间:
1999-04
期刊:
British Corrosion Journal
影响因子:
--
作者:
A. Hassanein;G. Glass;N. Buenfeld
通讯作者:
A. Hassanein;G. Glass;N. Buenfeld