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Application feasibility of HRB400 steel in seawater and marine sand concrete
Shang, Baihui1,2; Li, Ying1
Corresponding AuthorLi, Ying(liying@imr.ac.cn)
2018-10-01
Source PublicationMATERIALS AND CORROSION-WERKSTOFFE UND KORROSION
ISSN0947-5117
Volume69Issue:10Pages:1478-1488
AbstractDue to the shortage of fresh water and river sand in coastal areas, seawater, and marine sand sometimes must be used in the preparation of concrete for construction. Thus, the corrosion of steel rebar in seawater and marine sand concrete cannot be ignored. In this study, the feasibility of using HRB400 steel in seawater and marine sand concrete was determined based on steel rebar corrosion. Electrochemical methods were used to investigate the passivation and depassivation of HRB400 steel in curing and in-service concrete, respectively, and to determine conditions for forming a stable passive film and the critical chloride threshold for the steel depassivation. Our experimental results demonstrate that HRB400 steel cannot be directly applied in seawater concrete but may be used in marine sand concrete when the concentration of mixed-in chloride is no more than 0.05M because low concentrations of mixed-in chloride had no effect on the properties of the passive film.
Keywordcritical chloride threshold HRB400 steel passivation behavior seawater and marine sand concrete
Funding OrganizationNational Basic Research Program of China, Ministry of Science and Technology China ; National Natural Science Fund of China
DOI10.1002/maco.201810169
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China, Ministry of Science and Technology China[2014CB643303] ; National Natural Science Fund of China[51131007] ; National Natural Science Fund of China[51671198]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000446266800017
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129829
Collection中国科学院金属研究所
Corresponding AuthorLi, Ying
Affiliation1.Chinese Acad Sci, Inst Met Res, Corros & Protect Div, Shenyang Natl Lab Mat Sci, Wencui Rd 62, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Technol, Wencui Rd 62, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Shang, Baihui,Li, Ying. Application feasibility of HRB400 steel in seawater and marine sand concrete[J]. MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,2018,69(10):1478-1488.
APA Shang, Baihui,&Li, Ying.(2018).Application feasibility of HRB400 steel in seawater and marine sand concrete.MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,69(10),1478-1488.
MLA Shang, Baihui,et al."Application feasibility of HRB400 steel in seawater and marine sand concrete".MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION 69.10(2018):1478-1488.
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