A review of the structural performance of prestressed monoblock concrete sleepers in ballasted railway tracks

HM El-sayed, MN Fayed, HS Riad, HN Zohny - Engineering Failure …, 2022 - Elsevier
Prestressed monoblock concrete sleepers (PMCS) in railway ballasted tracks are the most
recommended type of sleepers. They experience damage at an increasing rate with the …

Mechanism of sleeper–ballast dynamic impact and residual settlements accumulation in zones with unsupported sleepers

M Sysyn, M Przybylowicz, O Nabochenko, J Liu - Sustainability, 2021 - mdpi.com
Unsupported sleepers or void zones in ballasted tracks are one of the most recent and
frequent track failures. The void failures have the property of intensive development that …

A co-simulation approach to the wheel–rail contact with flexible railway track

P Antunes, H Magalhães, J Ambrósio, J Pombo… - Multibody System …, 2019 - Springer
The standard approach to railway vehicle dynamic analysis includes running the vehicle
multibody models in rigid railway tracks. The wheel–rail contact, independently of the rolling …

Dynamic behavior of railway Vehicle-Ballasted track system with unsupported sleepers based on the hybrid DEM-MBD method

J Fang, C Zhao, X Lu, W Xiong, C Shi - Construction and Building Materials, 2023 - Elsevier
In order to understand dynamic effect of the unsupported sleepers on railway substructure at
the meso-macroscopic scales, this paper develops a dynamics analysis framework …

Settlement of ballasted track under traffic loading: application to transition zones

JN Varandas, P Hölscher… - Proceedings of the …, 2014 - journals.sagepub.com
Transition zones corresponding to the passage from railway tracks on embankment to
natural ground or settlement free structures are frequently problematic for maintenance …

A finite element methodology to model flexible tracks with arbitrary geometry for railway dynamics applications

JN Costa, P Antunes, H Magalhães, J Pombo… - Computers & …, 2021 - Elsevier
The dynamic analysis of railway vehicles requires an accurate representation of the vehicle,
the track geometry and structure, and their interaction. Generally, flexible track models with …

[HTML][HTML] Wheel-rail rolling contact behavior induced by both rail surface irregularity and sleeper hanging defects on a high-speed railway line

F Yang, Z Wei, X Sun, C Shen, A Nunez - Engineering Failure Analysis, 2021 - Elsevier
In this study, a wheel-rail transient rolling contact model capable of accounting for the
nonlinear displacement-force properties of hanging sleepers is proposed. The sleeper …

Railway track degradation: The contribution of a spatially variant support stiffness-Local variation

M Sadri, T Lu, M Steenbergen - Journal of Sound and Vibration, 2019 - Elsevier
This study addresses the contribution of spatial variance in the railway track support stiffness
to the expected long-term track degradation. Hereto, a novel frequency-domain model is …

Ballasted track behaviour induced by absent sleeper support and its detection based on a convolutional neural network using track data

D Zhang, P Xu, Y Tian, C Zhong, X Zhang - Urban Rail Transit, 2023 - Springer
With development of the heavy-haul railway, the increased axle load and traction weight
bring a significant challenge for the service performance and safety maintenance of the …

Modelling of structural flexiblity in multibody railroad vehicle systems

JL Escalona, H Sugiyama, AA Shabana - Vehicle system dynamics, 2013 - Taylor & Francis
This paper presents a review of recent research investigations on the computer modelling of
flexible bodies in railroad vehicle systems. The paper will also discuss the influence of the …