<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The paper presents a comparative analysis of the application of two nonlocal gradient-formulated models to evaluate the concrete cover degradation time. Calculations were made taking into account the increase in the volume of the steel ring around the perimeter of the reinforcement bar. The results of the calculations were compared with the results of experimental studies published in the literature and with the elastic-plastic model based on the Menetrey-Willam surface, in which the objectivity of the obtained results depends on the fracture energy. In addition, the paper compares solutions using different contact models and cohesion models.</p>
</abstract>

The paper presents a comparative analysis of the application of two nonlocal gradient-formulated models to evaluate the concrete cover degradation time. Calculations were made taking into account the increase in the volume of the steel ring around the perimeter of the reinforcement bar. The results of the calculations were compared with the results of experimental studies published in the literature and with the elastic-plastic model based on the Menetrey-Willam surface, in which the objectivity of the obtained results depends on the fracture energy. In addition, the paper compares solutions using different contact models and cohesion models.

Analysis of Application of Gradient Concrete Models to Assess Concrete Cover Degradation Under Reinforcement Corrosion

Architecture, Civil Engineering, Environment

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The paper presents a comparative analysis of the application of two nonlocal gradient-formulated models to evaluate the concrete cover degradation time....

Analysis of Application of Gradient Concrete Models to Assess Concrete Cover Degradation Under Reinforcement Corrosion

Published Online: Dec 31, 2023

Page range: 109 - 123

Received: Apr 28, 2023

Accepted: Jun 27, 2023

DOI: https://doi.org/10.2478/acee-2023-0055

Keywords
Corrosion, FEM, Gradient methods, Plasticity, Cover degradation

© 2023 Kseniya Yurkova et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Analysis of Application of Gradient Concrete Models to Assess Concrete Cover Degradation Under Reinforcement Corrosion

Published Online: Dec 31, 2023

Page range: 109 - 123

Received: Apr 28, 2023

Accepted: Jun 27, 2023

DOI: https://doi.org/10.2478/acee-2023-0055

KeywordsCorrosion, FEM, Gradient methods, Plasticity, Cover degradation

© 2023 Kseniya Yurkova et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Corrosion, FEM, Gradient methods, Plasticity, Cover degradation