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

<p>Harsh environments such as alternating wet and dry conditions and cyclic loading cause erosion in steel bars, leading to severe damage to structures. Steel bars are also prone to bending under long-term fatigue loads. This paper establishes the bending performance test of corroded reinforced concrete (RC) beam under fatigue load based on the mathematical–statistical algorithm. It investigates the influence of heavy load on the fatigue performance of damaged RC beams, the influence of corrosive environment on the fatigue performance of RC beams, the degree of corrosion of steel bars in concrete beams under fatigue loading, and the distribution of chloride ions. The study results found that the stress ratio has a significant effect on the maximum crack width of the specimen beam. The greater is the stress ratio, the longer the fatigue life. This directly affects the performance of the specimen beam under fatigue loading. For this reason, we should pay special attention to the impact of corrosion on the fatigue performance of a structure during the design of steel bars.</p>
</abstract>

Harsh environments such as alternating wet and dry conditions and cyclic loading cause erosion in steel bars, leading to severe damage to structures. Steel bars are also prone to bending under long-term fatigue loads. This paper establishes the bending performance test of corroded reinforced concrete (RC) beam under fatigue load based on the mathematical–statistical algorithm. It investigates the influence of heavy load on the fatigue performance of damaged RC beams, the influence of corrosive environment on the fatigue performance of RC beams, the degree of corrosion of steel bars in concrete beams under fatigue loading, and the distribution of chloride ions. The study results found that the stress ratio has a significant effect on the maximum crack width of the specimen beam. The greater is the stress ratio, the longer the fatigue life. This directly affects the performance of the specimen beam under fatigue loading. For this reason, we should pay special attention to the impact of corrosion on the fatigue performance of a structure during the design of steel bars.

Mathematical statistics algorithm in the bending performance test of corroded reinforced concrete beams under fatigue load

Department of Civil and Architectural Engineering

Applied Mathematics and Nonlinear Sciences

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

Harsh environments such as alternating wet and dry conditions and cyclic loading cause erosion in steel bars, leading to severe damage to structures. Steel...

Mathematical statistics algorithm in the bending performance test of corroded reinforced concrete beams under fatigue load

Publié en ligne: 30 déc. 2021

Pages: 695 - 702

Reçu: 17 juin 2021

Accepté: 24 sept. 2021

DOI: https://doi.org/10.2478/amns.2021.2.00142

Mots clés
reinforced concrete beam, mathematical, statistical algorithm, fatigue load, bending performance

© 2021 Zhengjian Li et al., published by Sciendo

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

Mathematical statistics algorithm in the bending performance test of corroded reinforced concrete beams under fatigue load

Publié en ligne: 30 déc. 2021

Pages: 695 - 702

Reçu: 17 juin 2021

Accepté: 24 sept. 2021

DOI: https://doi.org/10.2478/amns.2021.2.00142

Mots clésreinforced concrete beam, mathematical, statistical algorithm, fatigue load, bending performance

© 2021 Zhengjian Li et al., published by Sciendo

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

Mots clés
reinforced concrete beam, mathematical, statistical algorithm, fatigue load, bending performance