Corrosive Crack and its 3D Defects Identification of Reinforced Concrete Subjected to Coupled Effect of Chloride Ions and Sulfate Ions
Jin Zuquan1; Gao Song1; Zhao Xia2; Yang Li1
2015
发表期刊INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
卷号10期号:1页码:625-636
文章类型Article
摘要Corrosive crack influenced by coupled effects of chloride and sulfate often occurs in marine and saline ground environment, which has been a very serious threat to the durability of reinforced concrete structures. In this paper, accelerated potentiostatic corrosion test was used to investigate the corrosive crack of reinforced concrete mixing with different content of chloride ions and sulfate ions. The evolution of electric current and surface cracks width of reinforced concrete was tested. The results indicated that the higher concentration of chloride ions in mixing water had, the larger electric current intensity between the deformed steel bar and the stainless steel would be. 3D defects distribution of corrode reinforced concrete was also visually identified by X-CT technique. It showed that with sulfate ions added to the concrete including chloride ions, the fractions of micro defects became larger, while the fractions of the macro defects became smaller, which illustrated that the expansion pressure of the corrosion products was reduced and the concrete became more compact under the effect the sulfate ions.
关键词Reinforced Concrete Accelerated Potentiostatic Corrosion Test X-ct Technique Crack
收录类别SCI
语种英语
WOS记录号WOS:000351080000033
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/25414
专题海洋环境腐蚀与生物污损重点实验室
海洋地质与环境重点实验室
作者单位1.Qingdao Technol Univ, Coll Civil Engn, Qingdao, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China
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GB/T 7714
Jin Zuquan,Gao Song,Zhao Xia,et al. Corrosive Crack and its 3D Defects Identification of Reinforced Concrete Subjected to Coupled Effect of Chloride Ions and Sulfate Ions[J]. INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,2015,10(1):625-636.
APA Jin Zuquan,Gao Song,Zhao Xia,&Yang Li.(2015).Corrosive Crack and its 3D Defects Identification of Reinforced Concrete Subjected to Coupled Effect of Chloride Ions and Sulfate Ions.INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,10(1),625-636.
MLA Jin Zuquan,et al."Corrosive Crack and its 3D Defects Identification of Reinforced Concrete Subjected to Coupled Effect of Chloride Ions and Sulfate Ions".INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE 10.1(2015):625-636.
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