Results 11 to 20 of about 23,225 (270)
A model for the stochastic prediction of track support stiffness [PDF]
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 2019 As well as guiding the train, one of the key aims of a railway track system is to provide support to the train at the wheel–rail interface that is of near-uniform compliance. Of the various components that make up this compliance, the contribution of the trackbed (ballast and subgrade) is the most difficult to understand and control.
Louis Le Pen +4 more
openaire +3 more sources
The influence of variation in track level and support system stiffness over longer lengths of track for track performance and vehicle track interaction [PDF]
Vehicle System Dynamics, 2019 Differential settlement and development of track geometry irregularity drives the need for maintenance of ballasted railway tracks.
David Milne +3 more
openaire +4 more sources
Applied Sciences, 2022 Irregularities of the track are a main cause of train-induced ground vibration, and track maintenance is of great importance. Although geometric irregularities at the wheel-rail contact are widely used, other types of irregularities, such as stiffness ...
Lutz Auersch
doaj +2 more sources
Some Aspects of Support Stiffness Effects on Dynamic Ballasted Railway Tracks
Periodica Polytechnica Civil Engineering, 2016 The railway track technical literature lacks proper reports on the key effects of the support stiffness on the track behavior with various sleeper geometries. Hence, it is the aim of this research to report on the assessment of the track foundation stiffness.
Seyed-Ali Mosayebi +2 more
openaire +3 more sources
Applied Sciences, 2020 This study experimentally investigated the effects of rail pad corrosion on the performance of the direct fixation track on a long-span railway bridge in marine conditions.
Jung-Youl Choi +3 more
doaj +1 more source
Qualitative Prediction Model for Dynamic Behavior of Ballasted Tracks
Applied Sciences, 2020 Theoretical, experimental, analytical, and statistical evaluations were performed to predict and assess the dynamic behavior of a ballasted track, such as the track support stiffness, track impact factor, or dynamic wheel–rail forces.
Jung-Youl Choi, Sun-Hee Kim
doaj +1 more source
Buildings, 2023 Additional temperature stresses in continuously welded rails (CWRs) are caused by track/bridge interaction (TBI) due to thermal actions. Exceeding permissible stresses in CWRs on the bridge can lead to track buckling or rail cracking, compromising the ...
Nikola Mirković +5 more
doaj +1 more source
Finite Element Modeling of the Dynamic Response of Critical Zones in a Ballasted Railway Track
Frontiers in Built Environment, 2021 The critical zones are the discontinuities along a railway line that are highly susceptible to differential settlement, due to an abrupt variation in the support conditions over a short span.
Piyush Punetha +2 more
doaj +1 more source
Influence of Pier Stiffness on Track-Bridge Interaction [PDF]
, 2023 The bridge is a common engineering structure over which a rail track is often laid. With the introduction of continuous welded rail (CWR), major rail tracks have shifted worldwide from jointed rail to continuous welded rail.
C. K., Ali Mubarack, Upadhyay, Akhil
core +1 more source
Stiffness and Distance of Lateral Support Member Considering Buckling Strength of Sliding Track Panel [PDF]
Journal of the Korean Society of Hazard Mitigation, 2020 Recently, the concept of a Sliding Track Panel (STP) system, which allows the bridge to slide in the longitudinal direction, has been proposed for continuous welded rail method laid on long span non-ballast bridges, such as truss railway bridges. The performance of the STP system is determined based on the ability to prevent the lateral buckling of STP.
Jongchan Park, Namhyoung Lim, Chinok Lee
openaire +1 more source