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Critical parameters affecting mass loss of steel reinforcement

Argyro Drakakaki (Department of Mechanical Engineering and Aeronautics, University of Patras, Patras, Greece)
Alkiviadis Apostolopoulos (Department of Materials Science and Engineering, University of Ioannina, Ioannina, Greece)
Charis Apostolopoulos (Department of Mechanical Engineering and Aeronautics, University of Patras, Patras, Greece)

International Journal of Structural Integrity

ISSN: 1757-9864

Article publication date: 30 July 2019

Issue publication date: 26 August 2020



The safety of reinforced concrete structures is generally related to the expected service life of their individual materials. Corrosion damage manifesting on steel reinforcement is usually underestimated, although it greatly affects both load bearing capacity and plastic deformation limits of steel reinforcement. Corrosion damage degree has a great impact on the life expectancy of structures. This paper aims to discuss these issues.


In the present study, an effort has been made to examine and present critical parameters, which are significantly responsible for the differentiation of the corrosion damage level, as far as mass loss is concerned. Consequently, the size effect of the exposed – to the aggressive conditions – area of the specimen, as well as the volume of the protected (against corrosion) area, was examined in detail.


Differential aeration greatly affects the results of corrosion on the material, given that under both high and low oxygen concentration corrosion process is still ongoing.


Findings proceeded are worth mentioning, as they may contribute to a more pertinent evaluation of the corrosion damage (as far as mass loss is concerned), restricting the risk of erroneous predictions concerning the mechanical behavior of steel reinforcement.



Drakakaki, A., Apostolopoulos, A. and Apostolopoulos, C. (2020), "Critical parameters affecting mass loss of steel reinforcement", International Journal of Structural Integrity, Vol. 11 No. 5, pp. 686-697.



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