A New High-Efficiency Procedure for Aggregate Gradation Determination of the Railway Ballast by Means Image Recognition Method [PDF]
The mechanical characteristics of the railway superstructure are related to the properties of the ballast, and especially to the particle size distribution of its grains.
Guerrieri M., Parla G.
doaj +3 more sources
Sleeper end resistance of ballasted railway tracks [PDF]
This paper describes model tests used to investigate how ballast shoulder width and height contribute to a railway sleeper’s resistance to lateral movement for a range of shoulder widths and heights.
Bhandari, A.R., Le Pen, L., Powrie, W.
core +4 more sources
HRSBallast: A high-resolution dataset featuring scanned angular, semi-angular and rounded railway ballast [PDF]
A high-resolution dataset of digitally scanned railway ballast (HRSBallast) is presented, consisting of 108 individual, digitised samples. The ballast samples were sourced from both a railway test track section located on a heavy haul coal export line in
André Broekman +2 more
doaj +2 more sources
Technological evaluation of stones from the eastern region of the state of São Paulo, Brazil, for railway ballast [PDF]
The correct choice of a stone aggregate for railway ballast is directly related to the stability, safety, efficiency, and maintenance costs of the track. The aggregate must meet several criteria to ensure it is the most appropriate material.
Daniela Tomaz Alves +4 more
doaj +2 more sources
A Laboratory Study of Pressure Distribution and Residual Settlements in Wide Grading Double Layer Railway Ballast under Long-Term Cyclic Loading [PDF]
Ballast layer has weighty share in the lifecycle costs of railway track. The strict standards and maintenance rules of ballast grading significantly contribute to the ballast costs.
Mykola Sysyn +3 more
doaj +1 more source
Quantification of the Mechanized Ballast Cleaning Process Efficiency Using GPR Technology
Ground Penetrating Radar (GPR) has been used recently for diagnostics of the railway infrastructure, particularly the ballast layer. To overcome ballast fouling, mechanized ballast cleaning process, which increases track occupancy time and cost, is ...
Anna Borkovcová +3 more
doaj +1 more source
Modelling Time-Dependent Flow through Railway Ballast
In this study, a numerical simulation of fluid flow through railway ballast in the time domain is presented, providing a model for unsteady-state flow.
Raed Alrdadi, Michael H. Meylan
doaj +1 more source
This paper presents the results of numerical modelling of the influence of various factors (geometrical layout of the structural layers of the railway track, climatic factors and ballast fouling) on the freezing of railway track structure with a built-in
Libor Ižvolt +3 more
doaj +1 more source
Shear resistance of rubber-ballast composites in simulated water and acid soaked conditions [PDF]
Ballast is one of the main structures for the railway tracks. It can resist the lateral movement under dynamic loading transferred by the passing trains with repeatedly.
Chan, Chee Ming, SM Johan, Siti Farhanah
core +3 more sources
Development of fragility curves for railway embankment and ballast scour due to overtopping flood flow [PDF]
Fragility curves evaluating a risk of railway embankment fill and track ballast scour were developed. To develop fragility curves, two well-documented events of single-track railway washout during floods in Japan were investigated.
R. Tsubaki +3 more
doaj +1 more source

