Abstract
To ensure the strength of the passenger car bodies during transportation on train ferries, it is proposed to mount fastening elements of chain binders on the body bolster beams. The principle of such an element is based on the hydraulic damper operation. The mathematic modelling was conducted in order to determine the dynamic loading on a passenger car body during sea transportation. The study established that the improvements mentioned made it possible to reduce the dynamic loading on the body during sea transportation by 30% in a comparison with that of a typical fastening scheme. The strength of an improved passenger car body was calculated. The maximum equivalent stresses in the body structure accounted for about 120MPa, i.e., they did not exceed the admissible values. The conducted research may contribute to ensuring the required strength of passenger car bodies during train ferry transportation, thus leading to a higher operational efficiency of train ferry transportation within the international transportation.
Highlights
Increased competitiveness of passenger rail traffic led to the creation of rail ferry services [1,2,3]
The authors suggest that the strength of passenger car bodies during train ferry transportation can be improved by mounting fastening units of chain binders on the body bolster beams (Figure 8)
In order to determine the strength of the improved passenger car body, the authors carried out a calculation using the finite element method in SolidWorks Simulation (CosmosWorks) software suite [20, 21]
Summary
Increased competitiveness of passenger rail traffic led to the creation of rail ferry services [1,2,3]. A feature of such a transportation is the ability of wagon carriage by sea on special ships that are train ferries (Figure 1). Passenger cars were loaded on the deck by transferring them from the track of the loading harbour to the ferry tracks with hoisting devices. The cars are loaded on the train ferry by rolling over the passing (loading) ramp, which has considerably shortened the loading/unloading operations (Figure 2 [4]). Train ferries have been equipped with special fastening brackets for passenger car bodies (Figure 3). Each body is fixed with six brackets (three at each side)
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