Research on the deterioration mechanism and maintenance of concrete structures deteriorated due to the macro-cell corrosion in concrete
Research on the deterioration mechanism and maintenance of concrete structures deteriorated due to the macro-cell corrosion in concrete
批准号:
20560438
负责人:
WATANABE Hiroshi
金额:
$2.75万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010
中文摘要
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英文摘要
In this research, inspection and repairing methods for concrete structures deteriorated by macro-cell corrosion were investigated using concrete specimens exposed outdoor. The following results are obtained. Approximately 100 mV shift of half-cell potential should be considered to detect macro-cell corrosion in concrete. When the patch repair is applied, the macro-cell corrosion can be mitigated by using repairing materials that have high electrical resistance. On the other hand, the increase of corrosion rate under the macro-cell corrosion condition can not be evaluated quantitatively by the measured current between anode and cathode. For this problem, further research is needed.
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塩害環境下にあるコンクリート中鉄筋のマクロセル腐食形成機構(土木研究所資料第4131号)
盐害环境下混凝土中钢筋宏观细胞腐蚀形成机制(工务研究所资料第4131号)
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[渡邊浩平, 太田晃博, 佐藤宇泰, 迫井裕樹, 阿波稔, 福田有淑, 福田有淑, 福田有淑, 福田有淑, 渡辺博志,他]
通讯作者:
渡辺博志,他
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