A critical review on the vertical stiffness irregularity of railway ballasted track
The dynamic performance of a railway track subjected to moving trains depends strongly on
track support conditions. In reality, even for the well-constructed and well-maintained tracks …
track support conditions. In reality, even for the well-constructed and well-maintained tracks …
[HTML][HTML] A novel modelling method for heavy-haul train-track-long-span bridge interaction considering an improved track-bridge relationship
A ballasted track system is a multi-layer elastic structure that exhibits complicated
mechanical behaviour under trainloads. Therefore, accurate modelling of these structures is …
mechanical behaviour under trainloads. Therefore, accurate modelling of these structures is …
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 …
frequent track failures. The void failures have the property of intensive development that …
Identification of sleeper support conditions using mechanical model supported data-driven approach
The ballasted track superstructure is characterized by a relative quick deterioration of track
geometry due to ballast settlements and the accumulation of sleeper voids. The track zones …
geometry due to ballast settlements and the accumulation of sleeper voids. The track zones …
Real-time evaluation of mechanical qualities of ballast bed in railway tamping maintenance
L Gao, S Shi, Y Zhong, M Xu, Y Xiao - International Journal of Mechanical …, 2023 - Elsevier
Real-time evaluation of the mechanical qualities of ballast beds is essential for improving
tamping effort in railway maintenance. This study aims at evaluating the mechanical …
tamping effort in railway maintenance. This study aims at evaluating the mechanical …
Analysis on dynamic behavior of 400 km/h high-speed train system under differential settlement of subgrade
K Zhang, X Zhang, S Zhou - Engineering Structures, 2023 - Elsevier
Whether the existing ballastless track subgrade settlement control standard of 350 km/h is
applicable to the high-speed train of 400 km/h remains to be further research. This paper …
applicable to the high-speed train of 400 km/h remains to be further research. This paper …
Investigations on the influence of prestressed concrete creep on train-track-bridge system
In response to long-term operation of prestressed concrete railway bridges, the girder body
will arch because of creep, which may influence the running stability of high-speed trains …
will arch because of creep, which may influence the running stability of high-speed trains …
Dynamic performance comparison of different types of ballastless tracks using vehicle-track-subgrade coupled dynamics model
This paper contributes to evaluate the dynamic performance of different types of ballastless
tracks, including the CRTS II, CRTS III as well as CRTS DB, subjected to a moving high …
tracks, including the CRTS II, CRTS III as well as CRTS DB, subjected to a moving high …
Modelling of vehicle-track related dynamics: a development of multi-finite-element coupling method and multi-time-step solution method
In this paper, modelling methods are developed to achieve dynamics exploration for the
vehicle–track system and its substructures. First, a coupled model, with the satisfaction of …
vehicle–track system and its substructures. First, a coupled model, with the satisfaction of …
A method for vehicle–track–soil interaction analysis considering soil deformation
In this work, an engineering practical method is put forward to characterize the static and
dynamic mapping relationship between soil deformation and its induced system …
dynamic mapping relationship between soil deformation and its induced system …