Abstract
This research deals with determination of the loading of an open container during operating modes. The special feature of this container is its convex walls. This engineering solution increases the useful capacity of a container by 8% in comparison to that of the prototype. The elastic elements in the bearing structure of a container were introduced to decrease the dynamic loads. The dynamic loads in the vertical plane were dumped by means of the dry friction forces between the components of the cross bearers of the container’s base. The dynamic loads in the longitudinal plane were dumped by means of the dry friction forces between the horizontal parts of fittings and fixed lashing components. This study presents the modelling of the dynamic loading of a container in a vertical plane. The dynamic loads of a container in the longitudinal plane were determined with a mathematical model. The authors determined the basic strength characteristics of the bearing structure of a container; and found that the maximum stresses to a container were about 200 MPa, concentrated near the front fittings. The maximum displacements were recorded in the cross bearers of the base and amounted to about 4 mm.
Highlights
The strategic plan for development of railway transport and maintenance of its leading position in the transportation market requires introduction of combined transport systems [1,2]
Analysis of the literature [4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27] allows us to conclude that insufficient attention has been paid to the improvement of the load-bearing structures of containers in order to reduce the dynamic loading
The dynamic loads of a container caused by the technological gaps between fixed lashing components and fittings in rail transportation can be decreased by introducing elastic elements in the fittings (Figure 2a)
Summary
The strategic plan for development of railway transport and maintenance of its leading position in the transportation market requires introduction of combined transport systems [1,2]. Rail transportation of containers is presumably conducted by flat cars They are fastened on the frame with fixed lashing components and fittings. The technological gaps between containers and flat cars cause higher stresses leading to damage of the fixed lashing components and fittings. There isona flat need for improved container structures This sification of container transportation wagons has slightly increased and, as a result, can improveinthe efficiency railbe transportation and maintain its leading position in the an increase their damageofcan traced. This requires off-schedule repairs and additional expenditures for maintenance of transport means. The suggested new structure of a freight car with the detachable body can increase the efficiency of Problem railway transport
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