Several factors affecting the anodic polarization curve of steel bars embedded in mortar

H. Hamada, Y. Sagawa, T. Ikeda, R. Morikawa

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

5 被引用数 (Scopus)

抄録

Anodic polarization curve is measured to evaluate the condition of passivated film on steel surface. Normally, polarization curve can be adapted only to "specimen" immersed in aqueous solution in laboratory. Furthermore, a set of measurement takes about 40 minutes. It makes difficult to apply this measurement for actual structures. If these difficulties could be overcome, polarization curve measurement can be used on site to evaluate the condition of paasivated film on steel surface in concrete. In this study, at first, a new measuring method with new sensor system, which makes it possible to apply it to actual structures, was developed. And, several factors were tested to evaluate their effects on polarization curve. Finally, several conclusions could be obtained. (1) Polarization curve obtained with new sensor system is almost equal to it with ordinary system. (2) Polarization speed affects on polarization curve, as that the current flow is increased with high polarization speed. (3) With new sensor system, polarization curve measurement can be adopted to actual structures on site.

本文言語英語
ホスト出版物のタイトルConcrete under Severe Conditions
ホスト出版物のサブタイトルEnvironment and Loading - Proceedings of the 6th International Conference on Concrete under Severe Conditions, CONSEC'10
出版社CRC Press
ページ201-208
ページ数8
ISBN(印刷版)9780415593175
DOI
出版ステータス出版済み - 2010
イベント6th International Conference on Concrete under Severe Conditions-Environment and Loading, CONSEC'10 - Merida, Yucatan, メキシコ
継続期間: 6月 7 20106月 9 2010

出版物シリーズ

名前Concrete under Severe Conditions: Environment and Loading - Proceedings of the 6th International Conference on Concrete under Severe Conditions, CONSEC'10
1

その他

その他6th International Conference on Concrete under Severe Conditions-Environment and Loading, CONSEC'10
国/地域メキシコ
CityMerida, Yucatan
Period6/7/106/9/10

!!!All Science Journal Classification (ASJC) codes

  • 建築および建設

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