Durability of organic coated reinforced magnesium oxychloride cement concrete
Wang, Penghui; Qiao, Hongxia; Li, Yuanke; Chen, Kefan; Feng, Qiong; Nian, Tengfei
2020-05-09
Source PublicationSTRUCTURAL CONCRETE
ISSN1464-4177
AbstractZinc-rich coating as a sacrificial anode provides cathodic protection for steel bars, so it can provide protection only for the steel bars for a certain period of time, and fundamentally cannot solve the problem of steel bar corrosion in magnesium oxychloride cement concrete (MOCC). However, the organic coating protects the steel by its own shielding. Therefore, organic coated reinforced MOCC (ORMOCC) is more adaptable in western saline soil and salt lake areas. ORMOCC's durability degradation process includes four aspects, but its durability degradation model under those four factors has not been studied. Therefore, combined with the environment of western salt lakes and saline soil, the solution immersion test was performed on ORMOCC, and the durability degradation of steel bars was studied with electrochemical tests. The degradation durability of organic coatings was studied by Fourier transform infrared spectroscopy. Crack formation and the mass loss of MOCC were studied by ultrasonic and quality tests, taking the four corresponding parameters as degradation indicators. Based on the four-dimensional Copula function, the degradation model of ORMOCC under four degradation factors was established. The results showed that the four-dimensional Copula function can describe the durability degradation process of ORMOCC under the influence of the four factors well, and it reaches the damage state at approximately 12,450 days.
Keywordanorganic coating durability degradation four-dimensional copula function magnesium oxychloride cement concrete
DOI10.1002/suco.202000094
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51468039][51868044]
WOS Research AreaConstruction & Building Technology ; Engineering
WOS SubjectConstruction & Building Technology ; Engineering, Civil
WOS IDWOS:000532132900001
PublisherERNST & SOHN
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64325
Collection土木工程学院
Corresponding AuthorQiao, Hongxia
AffiliationLanzhou Univ Technol, Sch Civil Engn, Lanzhou, Peoples R China
First Author AffilicationLanzhou University of Technology
Corresponding Author AffilicationLanzhou University of Technology
First Signature AffilicationLanzhou University of Technology
Recommended Citation
GB/T 7714
Wang, Penghui,Qiao, Hongxia,Li, Yuanke,et al. Durability of organic coated reinforced magnesium oxychloride cement concrete[J]. STRUCTURAL CONCRETE,2020.
APA Wang, Penghui,Qiao, Hongxia,Li, Yuanke,Chen, Kefan,Feng, Qiong,&Nian, Tengfei.(2020).Durability of organic coated reinforced magnesium oxychloride cement concrete.STRUCTURAL CONCRETE.
MLA Wang, Penghui,et al."Durability of organic coated reinforced magnesium oxychloride cement concrete".STRUCTURAL CONCRETE (2020).
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