Corrosion induced stress field and cracking time of reinforced concrete with initial defects

Analytical modeling and experimental investigation

Xiaogang Zhang, Minhui Li, Luping Tang, Shazim Ali Memon, Guojun Ma, Feng Xing, Hongfang Sun

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

This paper presents an analytical model for calculation of corrosion induced stress field and cracking time of concrete cover with initial defects in a reinforced concrete. In the proposed model, two types of initial defects in concrete cover (surface and middle defect) were considered. Experiments were also performed to validate the effectiveness and accuracy of the proposed model. Based on the model analysis, it was found out that initial defects have significant influence on the stress distribution, the corrosion induced expansion pressure in concrete cover, the critical mass of corrosion products, and the cracking time of concrete cover.

Original languageEnglish
Pages (from-to)158-170
Number of pages13
JournalCorrosion Science
DOIs
Publication statusPublished - May 15 2017

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Reinforced concrete
Concretes
Corrosion
Defects
Stress concentration
Analytical models
Experiments

Keywords

  • A. Steel reinforced concrete
  • B. Cracking time
  • C. Stress field
  • D. Corrosion

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Science(all)

Cite this

Corrosion induced stress field and cracking time of reinforced concrete with initial defects : Analytical modeling and experimental investigation. / Zhang, Xiaogang; Li, Minhui; Tang, Luping; Memon, Shazim Ali; Ma, Guojun; Xing, Feng; Sun, Hongfang.

In: Corrosion Science, 15.05.2017, p. 158-170.

Research output: Contribution to journal › Article

Zhang, X, Li, M, Tang, L, Memon, SA, Ma, G, Xing, F & Sun, H 2017, 'Corrosion induced stress field and cracking time of reinforced concrete with initial defects: Analytical modeling and experimental investigation', Corrosion Science, pp. 158-170. https://doi.org/10.1016/j.corsci.2017.01.012
Zhang X, Li M, Tang L, Memon SA, Ma G, Xing F et al. Corrosion induced stress field and cracking time of reinforced concrete with initial defects: Analytical modeling and experimental investigation. Corrosion Science. 2017 May 15;158-170. https://doi.org/10.1016/j.corsci.2017.01.012
Zhang, Xiaogang ; Li, Minhui ; Tang, Luping ; Memon, Shazim Ali ; Ma, Guojun ; Xing, Feng ; Sun, Hongfang. / Corrosion induced stress field and cracking time of reinforced concrete with initial defects : Analytical modeling and experimental investigation. In: Corrosion Science. 2017 ; pp. 158-170.
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