[HTML][HTML] Geomechanical modelling of railroad ballast: a review
Y Alabbasi, M Hussein - Archives of Computational Methods in …, 2021 - Springer
Traditional ballasted tracks have been used intensively around the world with ballast as the
main material for tracks. Ballast has a significant contribution to the track alignment, stability …
main material for tracks. Ballast has a significant contribution to the track alignment, stability …
Transition zones to railway bridges: track measurements and numerical modelling
Railway tracks degrade faster at transition zones to railway bridges. In modern lines,
backfills with bound and unbound granular geomaterials have been used to minimize this …
backfills with bound and unbound granular geomaterials have been used to minimize this …
Long-term deformation of railway tracks considering train-track interaction and non-linear resilient behaviour of aggregates–a 3D FEM implementation
Railway track designers and maintenance entities have long been pursuing for a robust and
reliable method to predict the track's long-term behaviour. The complexity of this railway …
reliable method to predict the track's long-term behaviour. The complexity of this railway …
Dynamic behaviour of the track in transitions zones considering the differential settlement
Transition zones in railway tracks are the locations with considerable changes in supporting
structures. Because of the difference in the structures or material properties, the differential …
structures. Because of the difference in the structures or material properties, the differential …
Numerical simulations to improve the use of under sleeper pads at transition zones to railway bridges
Transition zones to bridges and other structures are critical locations in railway tracks that
frequently evidence poor long-term performance. Under sleeper pads (USPs) are reported …
frequently evidence poor long-term performance. Under sleeper pads (USPs) are reported …
A Bayesian methodology for detection of railway ballast damage using the modified Ludwik nonlinear model
MO Adeagbo, HF Lam, YQ Ni - Engineering Structures, 2021 - Elsevier
In this paper, an improved nonlinear model of railway ballast is proposed based on the
modified Ludwik model. The accuracy of model-based structural damage detection relies on …
modified Ludwik model. The accuracy of model-based structural damage detection relies on …
A study on the dynamic train-track interaction over cut-fill transitions on buried culverts
Sudden changes in the structural and geotechnical properties of railway tracks along its
course are normally associated with subgrade stiffness transitions, differential settlements …
course are normally associated with subgrade stiffness transitions, differential settlements …
[HTML][HTML] Dynamic behavior in transition zones and long-term railway track performance
Transition zones between embankments and bridges or tunnels are examples of critical
assets of the railway infrastructure. These locations often exhibit higher degradations rates …
assets of the railway infrastructure. These locations often exhibit higher degradations rates …
Bayesian system identification of rail–sleeper–ballast system in time and modal domains: Comparative study
MO Adeagbo, HF Lam, YJ Chu - ASCE-ASME Journal of Risk and …, 2022 - ascelibrary.org
From the literature, time domain and modal domain data are commonly used in system
identification and damage detection of various systems. This paper focuses on the …
identification and damage detection of various systems. This paper focuses on the …
On the selection of the most plausible non-linear axial stress–strain model for railway ballast under different impulse magnitudes
MO Adeagbo, HF Lam, Q Hu - Structural Health Monitoring, 2022 - journals.sagepub.com
The effective maintenance and health monitoring of ballasted railway tracks, which involves
the determination of differential settlement, track support stress and stiffness, and the strain …
the determination of differential settlement, track support stress and stiffness, and the strain …