Determining patterns in loading the body of a gondola with side wall cladding made from corrugated sheets under operating modes

Authors

DOI:

https://doi.org/10.15587/1729-4061.2023.275547

Keywords:

gondola load, body strength, cladding resistance momentum, body biaxiality indicator

Abstract

The object of research is the processes of emergence, perception, and redistribution of loads in the body of a universal railroad gondola with a cladding of corrugated sheets.

To improve the strength of the sheets of cladding, it is proposed to strengthen the most loaded area in terms of height (1/3 of the bottom tie-up) with horizontal corrugations. Determination of the geometric parameters of the corrugation is carried out by the moment of resistance of the sheet. The dynamic load of the gondola body with improved cladding was determined by mathematical modeling. The fluctuations of the jump were taken into consideration, that is, the translational movements of the body relative to the vertical axis. The results of the solution of the mathematical model have made it possible to conclude that the studied dynamics indicators are within the permissible limits while the car movement is estimated as "excellent".

The calculation was performed of the strength of the body of a gondola with improved cladding. It has been established that the strength of the gondola body under the main operating load modes is ensured. According to the results of calculations of static strength, the calculation was performed of the fatigue strength of the gondola body. It must be said that the fatigue strength of the body cladding increases by 3.7 % compared to the typical one.

A feature of the results obtained is that the proposed improvement of the cladding can be carried out not only at the design stage but also during repairs of cars.

The scope of practical use of the results includes the engineering industry, in particular railroad transportation. At the same time, the conditions for the practical application of the research results are compliance with the requirements for loading and unloading operations of gondola cars.

The results of the current research will contribute to devising recommendations for the design of modern structures of gondolas and for improving the efficiency of their operation.

Author Biographies

Glib Vatulia, Ukrainian State University of Railway Transport

Doctor of Technical Sciences, Professor, Vice-Rector for Research

Alyona Lovska, Ukrainian State University of Railway Transport

Doctor of Technical Sciences, Associate Professor

Department of Wagon Engineering and Product Quality

Sergiy Myamlin, Ukrainian State University of Railway Transport

PhD, Researcher

Department of Electrical Power Engineering, Electrical Engineering and Electromechanics

Andrij Rybin, Ukrainian State University of Railway Transport

PhD, Senior Lecturer

Department of Wagon Engineering and Product Quality

Volodymyr Nerubatskyi, "РА OWEN" LLC

PhD, Scientific Consultant

Denys Hordiienko, ELAKS PJSC

Senior Engineer

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Determining patterns in loading the body of a gondola with side wall cladding made from corrugated sheets under operating modes

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Published

2023-04-30

How to Cite

Vatulia, G., Lovska, A., Myamlin, S., Rybin, A., Nerubatskyi, V., & Hordiienko, D. (2023). Determining patterns in loading the body of a gondola with side wall cladding made from corrugated sheets under operating modes. Eastern-European Journal of Enterprise Technologies, 2(7 (122), 6–14. https://doi.org/10.15587/1729-4061.2023.275547

Issue

Vol. 2 No. 7 (122) (2023): Applied mechanics

Section

Applied mechanics

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Copyright (c) 2023 Glib Vatulia, Alyona Lovska, Sergiy Myamlin, Andrij Rybin, Volodymyr Nerubatskyi, Denys Hordiienko

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