IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
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
Source PublicationINTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
Volume11Issue:10Pages:8779-8796
SubtypeArticle
AbstractThe 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.
KeywordReinforced Concrete Potentiostatic Acceleration Bending Load X-ct Marine Environment
DOI10.20964/2016.10.26
Indexed BySCI
Language英语
WOS IDWOS:000384909300057
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136167
Collection海洋环境腐蚀与与生物污损重点实验室
海洋地质与环境重点实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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