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Tests of running safety under large compressive longitudinal forces

Zbieć A.

Problemy Kolejnictwa

2018

Z. 179

111--119

The article presents the cause of derailment of empty two-axle wagons placed in long freight train-sets together with bogie wagons, as well as research conducted to prevent this phenomenon, which was concluded by introducing appropriate statements in the UIC leaflet 530-2, and then in the European Standard EN 15839. It also presents activities undertaken during the preparation and performance of the tests, requirements for the test track and for the wagons’ composition in the train-set, conditions during the tests, values being measured and respective evaluation criteria, principles applicable to the result analysis, as well as a sample chart for a single ride and regressions for various criterions. Examples of wagons which were tested in this way are also given.