V.L. Markine
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View article: Optimising performance of discrete element method modelling of railway tracks
Optimising performance of discrete element method modelling of railway tracks Open
Accompanied by the fast evolution of additive manufacturing, multi-scale porous structures are gaining ever-increasing popularity in high-performance structure design.Given the connectivity requirement imposed on neighbouring cellular micr…
View article: A comparison of earthwork designs for railway transition zones
A comparison of earthwork designs for railway transition zones Open
Railway track transitions are zones where there is an abrupt change in the track-ground structure. They are often the location of rapid track deterioration, which means more frequent track maintenance is needed compared to plain line track…
View article: Sleepers spacing: An Introduction to the Odstrack project
Sleepers spacing: An Introduction to the Odstrack project Open
The sleepers and fastenings are the most numerous elements of the superstructure of the track.The cost per km is directly proportional to the number of them along the track, so one of the simplest ways to reduce construction costs is to re…
View article: Numerical study of auxiliary rails application at railway transition zones
Numerical study of auxiliary rails application at railway transition zones Open
Railway track transition zones are problematic areas with rapid track deterioration and frequent track maintenance due to a sudden change in the track-soil structure, corresponding to differential track stiffness.Changes can be related to …
View article: A novel method for digital assessment of railway crossing degradation
A novel method for digital assessment of railway crossing degradation Open
Crossings are important yet vulnerable parts of a railway network.This warrants that, in the Netherlands (a country with the highest traffic loads in the EU [1]), crossing geometry is measured twice per year by dedicated measurement vehicl…
View article: Efficiency analysis and optimisation of DEM for railway ballast track simulations: Multi-layer shape model of lateral resistance
Efficiency analysis and optimisation of DEM for railway ballast track simulations: Multi-layer shape model of lateral resistance Open
The railway ballast layer provides the function of bearing loading, resisting geometry degradation, and drainage. In those related research, the behaviour of ballast assembly can be obtained by laboratory (or in-situ) tests. Limited simula…
View article: IN2ZONE Research project towards the Next Generation of Railway Transition
IN2ZONE Research project towards the Next Generation of Railway Transition Open
IN2ZONE is an EU Funded project of Shift2Rail under Innovation Programme 3. The aim is to develop a next generation transition zone solution which is able to self-correct issues such as hanging sleepers, thus offering a step-change reducti…
View article: Railway ballast material selection and evaluation: A review
Railway ballast material selection and evaluation: A review Open
The properties of railway ballast material are affected by the local geologies and climatic environments from which the parent rock is sourced. These factors can make it challenging to select the most appropriate material for railway appli…
View article: Sleepers Spacing Analysis in Railway Track Infrastructure
Sleepers Spacing Analysis in Railway Track Infrastructure Open
Sleeper spacing has been a taboo subject throughout the railway’s history. Safety concerns related to the structural integrity have been the main causes of not addressing this matter. There are no specific and clear recommendations or guid…
View article: Numerical analysis of train-track-subgrade dynamic performance with crumb rubber in ballast layer
Numerical analysis of train-track-subgrade dynamic performance with crumb rubber in ballast layer Open
Crumb rubber (CR) has been proposed to apply in the ballast or sub-ballast layer for ballast degradation mitigation and vibration (noise) reduction. The CR can change the ballast layer stiffness, which can affect the train-track-subgrade d…
View article: Analysis of furnace slag in railway sub-ballast based on experimental tests and DEM simulations
Analysis of furnace slag in railway sub-ballast based on experimental tests and DEM simulations Open
Under the high requirement of ballast materials and the frequent maintenance of high-speed and heavy-haul railway, the maintenance cost and material consumption become an important problem. Several methods are used to increase the stabilit…
View article: Experimental and numerical study on the mechanical behavior of Kunststof Lankhorst Product (KLP) sleepers
Experimental and numerical study on the mechanical behavior of Kunststof Lankhorst Product (KLP) sleepers Open
This paper studies the mechanical behavior of two types of KLP sleeper, namely low-density polyethylene sleeper (LDPE-16) and high-density polyethylene sleeper (HDPE-25) with 16 mm and 25 mm steel bars diameter, respectively, in static, dy…
View article: MBS Vehicle–Crossing Model for Crossing Structural Health Monitoring
MBS Vehicle–Crossing Model for Crossing Structural Health Monitoring Open
This paper presents the development of a multi-body system (MBS) vehicle–crossing model and its application in the structural health monitoring (SHM) of railway crossings. The vehicle and track configurations in the model were adjusted to …
View article: Train Hunting Related Fast Degradation of a Railway Crossing—Condition Monitoring and Numerical Verification
Train Hunting Related Fast Degradation of a Railway Crossing—Condition Monitoring and Numerical Verification Open
This paper presents the investigation of the root causes of the fast degradation of a railway crossing. The dynamic performance of the crossing was assessed using the sensor-based crossing instrumentation, and the measurement results were …
View article: Discrete Element Modelling of Rubber-Protected Ballast Performance Subjected to Direct Shear Test and Cyclic Loading
Discrete Element Modelling of Rubber-Protected Ballast Performance Subjected to Direct Shear Test and Cyclic Loading Open
The rubber-protected ballast (RPB) is made from natural ballast particles and crumb rubber particles. The crumb rubber is shredded waste tires. RPB was chosen to replace the ballast as it has higher resistance to breakage and abrasion. How…
View article: Correlation Analysis and Verification of Railway Crossing Condition Monitoring
Correlation Analysis and Verification of Railway Crossing Condition Monitoring Open
This paper presents a correlation analysis of the structural dynamic responses and weather conditions of a railway crossing. Prior to that, the condition monitoring of the crossing as well as the indicators for crossing condition assessmen…