The Effect of Crack Width on Chloride-Induced Corrosion of Steel in Concrete
Joint Authors
Liu, Weiqing
Li, Weiwei
Wang, Shuguang
Source
Advances in Materials Science and Engineering
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-07-19
Country of Publication
Egypt
No. of Pages
11
Abstract EN
When subjected to loading or thermal shrinkage, reinforced concrete structures usually behave in a cracking state, which raises the risk of bar corrosion from the working environment.
The influence of cover cracking on chloride-induced corrosion was experimentally investigated through a 654-day laboratory test on cracked reinforced concrete specimens exposed to chloride solution.
The concrete specimens have a dimension of 100 mm × 100 mm × 400 mm and a single prefabricated crack at the midspan.
When the percentage concentration of chloride ion (0.6%, 1.2%, 2.1%, 3.0%, and 6.0%) and crack width (uncracked, 0.2, 0.3, 0.4, and 0.5 mm) are taken as variables, the experimental results showed that the corrosion rates for cracked specimens increased with increasing percentage concentration of chloride and increasing crack width.
This study also showed the interrelationship between crack width and percentage concentration of chloride on the corrosion rate.
In addition, an empirical model, incorporating the influence of the cover cracking and chloride concentration, was developed to predict the corrosion rate.
This model allows the prediction of the maximum allowable wcr based on the given percentage concentration of chloride in the exposure condition.
American Psychological Association (APA)
Li, Weiwei& Liu, Weiqing& Wang, Shuguang. 2017. The Effect of Crack Width on Chloride-Induced Corrosion of Steel in Concrete. Advances in Materials Science and Engineering،Vol. 2017, no. 2017, pp.1-11.
https://search.emarefa.net/detail/BIM-1123984
Modern Language Association (MLA)
Li, Weiwei…[et al.]. The Effect of Crack Width on Chloride-Induced Corrosion of Steel in Concrete. Advances in Materials Science and Engineering No. 2017 (2017), pp.1-11.
https://search.emarefa.net/detail/BIM-1123984
American Medical Association (AMA)
Li, Weiwei& Liu, Weiqing& Wang, Shuguang. The Effect of Crack Width on Chloride-Induced Corrosion of Steel in Concrete. Advances in Materials Science and Engineering. 2017. Vol. 2017, no. 2017, pp.1-11.
https://search.emarefa.net/detail/BIM-1123984
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1123984