The impact of the volume of undischarged acceleration on the intensity of rail wear

Abstract

The paper presents results of simulation of lateral and side wear of rails depending of the curve radius and rail superelevation. Considering that rail wear depends on multiple factors, the term ‘basic intensity of wear’ is introduced, meaning the wear for a concrete category of rails from the impact of a cargo wagon at equilibrium velocity of movement. Nomograms of lateral and side wear of rails depending on the curve radius and rail superelevation are presented. Intensity levels of lateral and side wear of rails from undischarged acceleration are produced. It is shown that changes in the intensity of side wear of rails have polynomial dependency which monotonically increases with the growth of undischarged acceleration. Intensities of lateral wear of exterior and inner rails have mutually increasing and diminishing dependencies described by square polynomes. In case of increase in the values of undischarged acceleration, the wear of external rail increases whilst simultaneously inner rail wear decreases.