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Estimation of Corrosion Current Density Considering the Uncertainty of the Model Parameters Cover

Estimation of Corrosion Current Density Considering the Uncertainty of the Model Parameters

By: Faustyn Recha  
Open Access
|Mar 2026

Figures & Tables

Figure 1:

Diagram of the changes in the deflection of a reinforced concrete element over time, considering uncertain parameters

Figure 2:

Calculation results of the corrosion current intensity waveform considering the uncertainty of the model parameters

Figure 3:

Detail of determining corrosion current intensity ranges considering the uncertainty of model parameters

List of uncertain parameters adopted for calculations

ParameterBase valueInterval 5%Interval 10%Interval 15%Interval 20%
inf. 5% (−)sup. 5% (+)inf. 10% (-)sup. 10% (+)inf. 15% (-)sup. 15% (+)inf. 20% (-)sup. 20% (+)
k(t), 1/mm0.0000410.0000390.0000430.0000370.0000450.0000350.0000470.0000330.000049
0.0001240.0001170.0001300.0001110.0001360.0001050.0001420.0000990.000148
0.0001060.0001010.0001110.0000950.0001170.0000900.0001220.0000850.000127
keff,g(μArok) {\rm{k}}_{{\rm{eff}}} ,{g \over {(\mu A \cdot {\rm{rok}})}} 0.006520.006190.006850.005870.007170.005540.007500.005220.00782
Es(t), GPa180171189162198153200*144200*
φ(t), -2.52.3752.6252.252.752.1252.8752.003.00
DOI: https://doi.org/10.2478/cee-2026-0028 | Journal eISSN: 2199-6512 | Journal ISSN: 1336-5835
Language: English
Page range: 282 - 293
Submitted on: Jul 30, 2025
|
Accepted on: Sep 24, 2025
|
Published on: Mar 24, 2026
Published by: University of Žilina
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year

© 2026 Faustyn Recha, published by University of Žilina
This work is licensed under the Creative Commons Attribution 4.0 License.