Investigation of the effect of repeated variable loads on the life cycle of transport structures using polymer composite materials
- Authors: Bondarev B.A.1, Bondarev A.B.1, Zhidkov V.K.2, Borkov P.V.3, Mareeva O.V.3, Popov I.I.3
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Affiliations:
- Lipetsk State Technical University
- Tambov State Technical University
- Russian State Agrarian University – K.A. Timiryazev Agricultural Academy
- Issue: No 10 (2024)
- Pages: 47-50
- Section: Статьи
- URL: https://freezetech.ru/0585-430X/article/view/641738
- DOI: https://doi.org/10.31659/0585-430X-2024-829-10-47-50
- ID: 641738
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Abstract
The problem of the life cycle of transport structures using polymer composite materials (PCM) is touched upon. It is noted that in the life cycle of transport structures, at the stage of operation, the endurance of structural materials plays a key role. The results of experimental studies of PCM depending on the magnitude of the coefficients of reinforcement with fiberglass reinforcement (SPA) are presented. The influence of the degree of prestress of the SPA on the life cycle of the structural element has been established. It is emphasized that in the study of the life cycle of structures, the coefficient of asymmetry of the external load application cycle is of no small importance. As a result of the study, it was found that with an increase in the coefficient of asymmetry of the application of an external load with a simultaneous increase in the prestress in the SPA, the coefficient of endurance, and, consequently, the life cycle of the element, increases.
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About the authors
B. A. Bondarev
Lipetsk State Technical University
Author for correspondence.
Email: Lnsp-48@mail.ru
Doctor of Sciences (Engineering)
Russian Federation, 30, Moskovskaya Street, Lipetsk, 398055A. B. Bondarev
Lipetsk State Technical University
Email: Lnsp-48@mail.ru
Candidate of Sciences (Engineering)
Russian Federation, 30, Moskovskaya Street, Lipetsk, 398055V. K. Zhidkov
Tambov State Technical University
Email: gidkov_vova_1999@mail.ru
Graduate Student
Russian Federation, 106/5, Sovetskaya Street, Tambov, 392000P. V. Borkov
Russian State Agrarian University – K.A. Timiryazev Agricultural Academy
Email: borkovpv@mail.ru
Candidate of Sciences (Engineering)
Russian Federation, 49, Timiryazevskaya Street, Moscow, 127550O. V. Mareeva
Russian State Agrarian University – K.A. Timiryazev Agricultural Academy
Email: o.mareeva@rgau-msha.ru
Candidate of Sciences (Engineering)
Russian Federation, 49, Timiryazevskaya Street, Moscow, 127550I. I. Popov
Russian State Agrarian University – K.A. Timiryazev Agricultural Academy
Email: i.popov@rgau-msha.ru
Candidate of Sciences (Engineering)
Russian Federation, 49, Timiryazevskaya Street, Moscow, 127550References
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