Review of ballast track tamping: Mechanism, challenges and solutions
Railway ballast beds bear cyclic loadings from vehicles and deteriorate due to ballast
particle degradation (breakage and abrasion), ballast pockets (subgrade defects), fouling (or …
particle degradation (breakage and abrasion), ballast pockets (subgrade defects), fouling (or …
[HTML][HTML] Railway ballast performance: recent advances in the understanding of geometry, distribution and degradation
Railway ballast performance is dictated by a complex mix of mechanical properties. These
effect its performance at the particle level for example in terms of particle degradation, but …
effect its performance at the particle level for example in terms of particle degradation, but …
State-of-the-art review of ground penetrating radar (GPR) applications for railway ballast inspection
In the past 20 years, many studies have been performed on ballast layer inspection and
condition evaluation with ground penetrating radar (GPR). GPR is a non-destructive means …
condition evaluation with ground penetrating radar (GPR). GPR is a non-destructive means …
Ballast fouling inspection and quantification with ground penetrating radar (GPR)
Ground penetrating radar (GPR) has been applied for ballast layer inspection for two
decades, mainly for the analysis of ballast layer fouling levels. However, some issues that …
decades, mainly for the analysis of ballast layer fouling levels. However, some issues that …
Data-driven ballast layer degradation identification and maintenance decision based on track geometry irregularities
W Zhao, W Qiang, F Yang, G Jing… - International Journal of …, 2024 - Taylor & Francis
Ballast layer defects are the primary cause for rapid track geometry degradation. Detecting
these defects in real-time during track inspections is urgently needed to ensure safe train …
these defects in real-time during track inspections is urgently needed to ensure safe train …
Influence of unsupported sleepers on the dynamic stability of ballasted bed based on wheelset impact tests
J Liu, S Du, G Liu, P Wang, R Chen, X Wei… - Railway Engineering …, 2023 - Springer
The unsupported sleeper can change the load characteristics of ballast particles and thus
affect the dynamic stability of a ballasted bed. In this work, a laboratory test was constructed …
affect the dynamic stability of a ballasted bed. In this work, a laboratory test was constructed …
Influence of synthetic inclusions on the degradation and deformation of ballast under heavy-haul cyclic loading
This study investigates the benefits of artificial inclusions placed underneath the ballast
layer. A series of large-scale cyclic triaxial tests were carried out on ballast with and without …
layer. A series of large-scale cyclic triaxial tests were carried out on ballast with and without …
Influence of ballast bulk density and loading conditions on lateral resistance of concrete sleeper components
P Aela, P Jitsangiam, X Li… - … Part F: Journal of Rail and …, 2023 - journals.sagepub.com
From the perspective of the ballast railway track lateral stability, the sleeper-to-ballast
interface has a vital role in the interaction between the sleeper and shoulder, crib, and base …
interface has a vital role in the interaction between the sleeper and shoulder, crib, and base …
Numerical and experimental investigation into longitudinal resistance of ballasted railway track with wooden sleepers
A ballasted railway track's longitudinal stiffness and resistance with wooden sleepers were
experimentally and numerically investigated. The longitudinal resistance was measured by …
experimentally and numerically investigated. The longitudinal resistance was measured by …
Assessment of ballast layer under multiple field conditions in China
Ballast layer condition should be more regularly and accurately inspected to ensure safe
train operation; however, traditional inspection methods cannot sufficiently fulfil this task …
train operation; however, traditional inspection methods cannot sufficiently fulfil this task …