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Corrosion and 3D crack-propagation Behaviors in Reinforced Concrete Subjected to Bending Load in Simulated Marine Environment
Jin, Zuquan1; Zhao, Xia2; Zhao, Tiejun1; Yang, Li1
2016-10-01
发表期刊INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
卷号11期号:10页码:8779-8796
文章类型Article
摘要The corrosion-cracking behavior of reinforced concrete subjected a sustained bending load and exposed to simulate marine environments was studied. The simulated marine environments include an atmosphere zone, a submerged zone and a tidal zone. The corrosive crack distribution in the inside of a concrete was observed using X-CT nondestructive technology. Results showed that the bending load caused both the corrosion rate of steel bar and the crack propagation inside the concrete to accelerate. These effects become apparent when the load exceeds 50% of the ultimate load. The negative effect of the bending load on the accelerated corrosion rate of reinforced concrete in the submerged marine environment is even more significant than that in an indoor atmospheric environment. The constant potential accelerate test with embedded auxiliary stainless rebar electrode is not an appropriate accelerated choice to study the corrosion behavior of reinforced concrete in the submerged and tidal zones because the potential accelerates the chloride ion penetration into the concrete, and embedded auxiliary stainless rebar electrode changes the crack direction from the steel bar induced by corrosion.
关键词Reinforced Concrete Potentiostatic Acceleration Bending Load X-ct Marine Environment
DOI10.20964/2016.10.26
收录类别SCI
语种英语
WOS记录号WOS:000384909300057
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文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136167
专题海洋腐蚀与防护研究发展中心
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, Key Lab Marine Environm Corros & Biofouling, Qingdao, Peoples R China
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Jin, Zuquan,Zhao, Xia,Zhao, Tiejun,et al. Corrosion and 3D crack-propagation Behaviors in Reinforced Concrete Subjected to Bending Load in Simulated Marine Environment[J]. INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,2016,11(10):8779-8796.
APA Jin, Zuquan,Zhao, Xia,Zhao, Tiejun,&Yang, Li.(2016).Corrosion and 3D crack-propagation Behaviors in Reinforced Concrete Subjected to Bending Load in Simulated Marine Environment.INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,11(10),8779-8796.
MLA Jin, Zuquan,et al."Corrosion and 3D crack-propagation Behaviors in Reinforced Concrete Subjected to Bending Load in Simulated Marine Environment".INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE 11.10(2016):8779-8796.
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