Investigation of rail damage considering impact at a welded joint under wet condition
Zhaoyang Wang,
Bing Wu,
Jiaqing Huang
et al.
Abstract:Purpose
The purpose of this study is to develop a transient wheel–rail rolling contact model to primarily investigate the rail damage under wet condition when the train passes through the welded joints.
Design/methodology/approach
The impact force induced by welded joints is obtained through vehicle–track coupling dynamics. The normal and tangential wheel–rail contact pressures were solved by elastohydrodynamic lubrication (EHL) theory and simplified third-body layer theory, respectively. Then, the obtained … Show more
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