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

<p>With the help of fractional differential equations, this article studies the failure morphology, fatigue strength, and fatigue life of corroded reinforced concrete beams under fatigue loading. Studies have shown that the mid-span deflection of low-corrosion reinforced concrete beams is smaller than that of uncorroded reinforced concrete beams. The corrosion-fatigue coupling effect accelerates the fatigue crack growth rate of steel bars. This reduces the fatigue modulus of concrete and causes the stiffness of the beam to degrade. The research results provide a theoretical basis for the fatigue performance evaluation of corroded reinforced concrete beams.</p>
</abstract>

With the help of fractional differential equations, this article studies the failure morphology, fatigue strength, and fatigue life of corroded reinforced concrete beams under fatigue loading. Studies have shown that the mid-span deflection of low-corrosion reinforced concrete beams is smaller than that of uncorroded reinforced concrete beams. The corrosion-fatigue coupling effect accelerates the fatigue crack growth rate of steel bars. This reduces the fatigue modulus of concrete and causes the stiffness of the beam to degrade. The research results provide a theoretical basis for the fatigue performance evaluation of corroded reinforced concrete beams.

Optimal Solution of the Fractional Differential Equation to Solve the Bending Performance Test of Corroded Reinforced Concrete Beams under Prestressed Fatigue Load

Applied Mathematics and Nonlinear Sciences

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

With the help of fractional differential equations, this article studies the failure morphology, fatigue strength, and fatigue life of corroded reinforced...

Optimal Solution of the Fractional Differential Equation to Solve the Bending Performance Test of Corroded Reinforced Concrete Beams under Prestressed Fatigue Load

Data publikacji: 15 lip 2022

Zakres stron: 507 - 516

Otrzymano: 04 lut 2022

Przyjęty: 30 mar 2022

DOI: https://doi.org/10.2478/amns.2022.2.0035

Słowa kluczowe
Reinforced concrete, Fractional differential equation, Corrosion, Restoring force model, Fatigue load

© 2023 Cheng Chen et al., published by Sciendo

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

Figure 1

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Optimal Solution of the Fractional Differential Equation to Solve the Bending Performance Test of Corroded Reinforced Concrete Beams under Prestressed Fatigue Load

Data publikacji: 15 lip 2022

Zakres stron: 507 - 516

Otrzymano: 04 lut 2022

Przyjęty: 30 mar 2022

DOI: https://doi.org/10.2478/amns.2022.2.0035

Słowa kluczoweReinforced concrete, Fractional differential equation, Corrosion, Restoring force model, Fatigue load

© 2023 Cheng Chen et al., published by Sciendo

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

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Słowa kluczowe
Reinforced concrete, Fractional differential equation, Corrosion, Restoring force model, Fatigue load