Distribution of corrosion products at the steel-concrete interface of XD3 concrete samples

Abdulsada, Shaymaa Abbas; Kristály, Ferenc; Törók, Tamás I.

doi:10.18720/mce.100.5

Cited by 1 publication

(2 citation statements)

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“…The authors in Refs. [28][29][30][31] analyzed the influence of chloride ions and described the electroosmotic effect as a process of movement intensification in capillary-porous objects. The analyses showed that this process can descriptively characterize the electrochemical reaction of oxygen reduction in concrete, as well as the electrolysis of water.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Electrochemical Corrosion on the Properties of Modified Concrete

Gordina

Gumenyuk

Polyanskikh

et al. 2023

Construction Materials

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Analysis of the use of reinforced concrete structures confirmed the destruction of reinforced products based on Portland cement due to stray currents, which makes it impossible to achieve the required durability and reliability of structures. The present work shows the results of a study on the diffusion permeability of samples with different degrees of electrical conductivity. The relative value of the electrode potential was measured by the open circuit potential method. The novelty of this work is its analysis of the quantitative and qualitative characteristics of the structure of the mineral matrix with specified electrical properties after long-term exposure to electrochemical corrosion. In this work, an assessment was carried out, for the first time, on the effects of electrochemical corrosion on modified composites with predominantly electrically conductive and electrically insulating properties. An increase in the electrical conductivity of the composite was found to reduce the potential difference. The use of such composites helped protect the reinforcement from electrochemical corrosion.

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Section: Introductionmentioning

confidence: 99%

“…The authors in Refs. [28,39] found that part of the new formations fills the pinholes around the reinforcement, while another part moves in the process of diffusion from the steel-concrete interface into the depth of the capillary-pore space.…”

Section: Introductionmentioning

confidence: 99%