Mechanistic-empirical permanent deformation models: Laboratory testing, modelling and ranking

A Ramos, AG Correia, B Indraratna, T Ngo… - Transportation …, 2020 - Elsevier
Geomaterials exhibit elastoplastic behaviour during dynamic and repeated loading
conditions. These loads are induced by the passage of a train or vehicle which then …

[PDF][PDF] A review on modelling and monitoring of railway ballast

C Ngamkhanong, S Kaewunruen… - Structural monitoring …, 2017 - scholar.archive.org
Nowadays, railway system plays a significant role in transportation, conveying cargo,
passengers, minerals, grains, and so forth. Railway ballasted track is a conventional railway …

New shakedown criterion and permanent deformation properties of unbound granular materials

A Alnedawi, KP Nepal, R Al-Ameri - Journal of Modern Transportation, 2019 - Springer
Unbound granular material specifications for road pavements in Australia are primarily
based on physical material specification rather than mechanical characterisation. This …

Dynamics shakedown analysis of slab track substructures with reference to critical speed

J Wang, S Liu, W Yang - Soil Dynamics and Earthquake Engineering, 2018 - Elsevier
In this paper, the long-term response of a slab track substructure to moving train loads as
well as its relation with critical speed is evaluated using lower-bound dynamic shakedown …

Three‐dimensional modelling of differential railway track settlement using a cycle domain constitutive model

X Li, M Ekh, JCO Nielsen - International Journal for Numerical …, 2016 - Wiley Online Library
A method for simulation of differential (spatially varying) track settlement in a ballasted
railway track is presented. It employs a cycle domain constitutive model to determine …

Numerical modelling for flexible pavement materials applying advanced finite element approach to develop Mechanistic-Empirical design procedure

B Ghadimi - 2015 - espace.curtin.edu.au
The mechanistic-empirical design method of flexible pavement is studied. Series of
numerical simulation on different combination of pavement layers is conducted. Two …

[BOOK][B] Wheel–rail impact loads and track settlement in railway crossings

X Li - 2019 - search.proquest.com
Abstract Turnouts (Switches & Crossings, S&C) are critical components of a railway track
requiring regular maintenance and generating high life cycle costs. A main driver for the …

Recent progress on lower-bound shakedown analysis of road pavements

J Wang, S Liu, HS Yu - Advances in Direct Methods for Materials and …, 2018 - Springer
Shakedown theory has been recognised as a more rational basis for structural design of
flexible road pavements. A lower-bound shakedown approach, which aims to find the …

Assessment of the Long Term Dynamic Behaviour of Innovative Railway Track Solutions

ALG Ramos - 2021 - search.proquest.com
A investigação apresentada nesta Tese visa aprofundar o conhecimento sobre o
comportamento dinâmico a curto e longo prazo da via em laje, da via balastrada e das …