Calibration for discrete element modelling of railway ballast: A review
The discrete element method (DEM) has been confirmed as an effective numerical method
for modelling railway ballast, and successfully used to analyse a wide range of ballast …
for modelling railway ballast, and successfully used to analyse a wide range of ballast …
[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 …
Simple particle shapes for DEM simulations of railway ballast: influence of shape descriptors on packing behaviour
In any DEM simulation, the chosen particle shape will greatly influence the simulated
material behaviour. For a specific material, eg railway ballast, it remains an open question …
material behaviour. For a specific material, eg railway ballast, it remains an open question …
The influence of grain shape and size on the relationship between porosity and permeability in sandstone: A digital approach
An accurate and reliable description of the porosity–permeability relationship in geological
materials is valuable in understanding subsurface fluid movement. This is important for …
materials is valuable in understanding subsurface fluid movement. This is important for …
Investigation of interlocking effect of crushed stone ballast during dynamic loading
The present paper deals with the experimental investigation of interlocking effect of crushed
stone ballast material, assessing it as the relationship with the residual and dynamic …
stone ballast material, assessing it as the relationship with the residual and dynamic …
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 …
Search, reuse and sharing of research data in materials science and engineering—A qualitative interview study
Open research data practices are a relatively new, thus still evolving part of scientific work,
and their usage varies strongly within different scientific domains. In the literature, the …
and their usage varies strongly within different scientific domains. In the literature, the …
[HTML][HTML] Experimental investigation of mixing railway ballast grains with different form using large-scale direct shear box apparatus
This paper investigates the effect of grain form on the mechanical behaviour of a railway
ballast aggregate using large-scale shear box tests. The speciality of the research is that …
ballast aggregate using large-scale shear box tests. The speciality of the research is that …
Investigating effects of tire geo-scrap reinforcement on shear strength characteristics of railway ballast using large-scale direct shear test
M Esmaeili, H Heydari, S Darvishi… - International Journal of …, 2024 - Taylor & Francis
The utilization of geogrids used to ballast reinforcement has been widely investigated by
researchers in the technical literature. This technique aims to enhance the load-bearing …
researchers in the technical literature. This technique aims to enhance the load-bearing …
Effects of particle morphology on the shear response of granular soils by discrete element method and 3D printing technology
The development of quantitative correlation between particle morphology and shear
responses of granular soils is an ongoing challenge. Herein, 3D printing technology …
responses of granular soils is an ongoing challenge. Herein, 3D printing technology …