Analytical Solutions for Corrosion-Induced Cohesive Concrete Cracking
Joint Authors
Source
Journal of Applied Mathematics
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-25, 25 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-01-19
Country of Publication
Egypt
No. of Pages
25
Main Subjects
Abstract EN
The paper presents a new analytical model to study the evolution of radial cracking around a corroding steel reinforcement bar embedded in concrete.
The concrete cover for the corroding rebar is modelled as a thick-walled cylinder subject to axisymmetrical displacement constraint at the internal boundary generated by expansive corrosion products.
A bilinear softening curve reflecting realistic concrete property, together with the crack band theory for concrete fracture, is applied to model the residual tensile stress in the cracked concrete.
A governing equation for directly solving the crack width in cover concrete is established for the proposed analytical model.
Closed-form solutions for crack width are then obtained at various stages during the evolution of cracking in cover concrete.
The propagation of crack front with corrosion progress is studied, and the time to cracking on concrete cover surface is predicted.
Mechanical parameters of the model including residual tensile strength, reduced tensile stiffness, and radial pressure at the bond interface are investigated during the evolution of cover concrete cracking.
Finally, the analytical predictions are examined by comparing with the published experimental data, and mechanical parameters are analysed with the progress of reinforcement corrosion and through the concrete cover.
American Psychological Association (APA)
Chen, Hua-Peng& Xiao, Nan. 2012. Analytical Solutions for Corrosion-Induced Cohesive Concrete Cracking. Journal of Applied Mathematics،Vol. 2012, no. 2012, pp.1-25.
https://search.emarefa.net/detail/BIM-993670
Modern Language Association (MLA)
Chen, Hua-Peng& Xiao, Nan. Analytical Solutions for Corrosion-Induced Cohesive Concrete Cracking. Journal of Applied Mathematics No. 2012 (2012), pp.1-25.
https://search.emarefa.net/detail/BIM-993670
American Medical Association (AMA)
Chen, Hua-Peng& Xiao, Nan. Analytical Solutions for Corrosion-Induced Cohesive Concrete Cracking. Journal of Applied Mathematics. 2012. Vol. 2012, no. 2012, pp.1-25.
https://search.emarefa.net/detail/BIM-993670
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-993670