Influence of under sleeper pads on ballast behavior under cyclic loading: experimental and numerical studies

SK Navaratnarajah, B Indraratna… - Journal of Geotechnical …, 2018 - ascelibrary.org
Railway industries are placing greater emphasis on implementing fast and heavy haul
corridors for bulk freight and commuter transport in order to deliver more efficient and cost …

[HTML][HTML] Discrete element modelling of two-layered ballast in a box test

H Li, G McDowell - Granular Matter, 2020 - Springer
It has been recently reported that ballast comprising differently graded layers helps to
reduce track settlement. The main goal of this paper is to provide micro mechanical insight …

Deformation and degradation response of railway ballast under impact loading–effect of artificial inclusions

F Ferreira, B Indraratna - First international conference on rail …, 2017 - ascelibrary.org
Impact forces induced by wheel and/or rail irregularities and abrupt variations in track
stiffness may lead to accelerated deterioration of the track components. The use of artificial …

Application of rubber inclusions to enhance the stability of ballasted rail track under cyclic loading

SK Navaratnarajah - 2017 - ro.uow.edu.au
Railway industries are placing greater emphasis on implementing fast and heavy haul
corridors for bulk freight and commuter transport to deliver more efficient and costeffective …

Numerical analysis of geosynthetics and engineering fill in performance of reconditioned ballasted track

HC Yap, H Khabbaz, J Singh - Australian Geomechanics …, 2017 - opus.lib.uts.edu.au
Over the past few decades, geosynthetics have been used extensively during track
reconditioning to improve soil stability as they offer many advantages including cost …

[PDF][PDF] Closure to “Use of Rubber Mats to Improve the Deformation and Degradation Behavior of Rail Ballast under Cyclic Loading” by Sinniah K. Navaratnarajah and …

SK Navaratnarajah - Journal of Geotechnical and …, 2018 - researchgate.net
The writers appreciate the encouraging feedback provided by the discusser and for raising
several important aspects related to track substructure improvement using geo-inclusions …

A study on effect of geogrid reinforced-crushed stone sub-base in permeable pavement system

HM Kwon, J Oh, S Han - Journal of the Korean Society for …, 2015 - koreascience.kr
A rapid urbanization has increased the portion of paved layer that results in the change of
water circulation system. This change leads to frequent events of flooding, drought, and …

Shear Strength Parameters of Encased Ballast with Geogrid

M Esmaeili, A Pourrashno - Journal of Transportation Infrastructure …, 2022 - jtie.semnan.ac.ir
In the present study utilizing large scale direct shear test, the effect of ballast encasing with
geogrid has been investigated. In this mater two ballast grading of 1 and 4 have been …

Evaluation of the relationship between geogrid rib size and particle size distribution of ballast materials using discrete element method

JH Pi, J Oh - KSCE Journal of Civil and Environmental Engineering …, 2016 - koreascience.kr
This study evaluated the shear behavior of geogrid reinforced ballast material using a large
scale direct shear test and discrete element method (DEM) based on PFC 3D program. The …

Evaluation of Track Substructure Thickness Design via Geo-Reinforcement Techniques

J Oh - … of Nanotechnology in Pavements, Geological Disasters …, 2014 - ascelibrary.org
Railway engineering has rapidly evolved to accommodate higher speed and heavier
transport loads in a timely fashion. This trend brings attention for railroad engineers to come …