Dynamic loading of the tank container on a flat wagon considering fittings displacement relating to the stops

Oleksij Fomin,Kateryna Kravchenko,Mykola Gorbunov,Tomas Lack,Juraj Gerlici,Pavlo Prokopenko,Alyona Lovskaya,B Gigov,S Stoilova,I Kralov,M Todorov,V Stoilov,N Nikolov

doi:10.1051/matecconf/201823405002

Abstract

The mathematical modelling of the dynamic loading of the container-tank during maneuvering collision of the flat wagon has made it possible to obtain an accurate value of the accelerations acting on its supporting structure. At the same time, possible movements of the tank-container relative to the frame of the flat wagons due to the presence of a technological gap in the pair “fitting stop-fitting” are taken into account. It is established that this acceleration, which is a component of the dynamic load, exceeds the one permitted by the regulatory documents. A computer simulation of the dynamic loading of the tank container in the CosmosWorks software environment was also carried out. The calculation was carried out using the finite element method. The results of the simulation made it possible to determine the distribution fields of the accelerations acting on the supporting structure of the tank-container during the shunting of the flat wagon, as well as their numerical values. Checking the adequacy of the mathematical and computer models using the Fisher criterion allowed us to conclude that the hypothesis of adequacy is not rejected.

Highlights

Ensuring the effectiveness of the developing economic ties between the states of Europe and Asia calls for the introduction of combined transport operations
The mathematical modelling of the dynamic loading of the container-tank during maneuvering collision of the flat wagon has made it possible to obtain an accurate value of the accelerations acting on its supporting structure
It is important to note that the maximum value of the longitudinal impact force, which can act on the flat wagon with the cargo placed on it, including the tank containers, with a shunting collision, is 3.5 MN [7, 8]

Summary

Introduction

Ensuring the effectiveness of the developing economic ties between the states of Europe and Asia calls for the introduction of combined transport operations. One of the most promising vehicles that have found application in combined transport is a container, and for the carriage of fluid cargo – a container-tank. The increase in the volume of fluid cargo transportations towards the international transport corridors foreshows an increase in the level of demand for container-cisterns. There is a need to develop and put into operation new tank-containers with improved technical and economic indicators [1,2,3,4,5]

Analysis of recent research and publications

Exposition of the object of research

Conclusion