Representation of bulk and surface crushing phenomenon in DEM model of railway ballast.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F15%3APU118846" target="_blank" >RIV/00216305:26110/15:PU118846 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Representation of bulk and surface crushing phenomenon in DEM model of railway ballast.
Original language description
To simulate ballast behaviour in railway track using Discrete Element Models (DEM), it is reasonable to take into account the crushing and the abrasion of grains. Nowadays, two approaches have been used in discrete modelling. The first approach represents each grain as an assembly of smaller particles with cohesive contacts between them. The crushing is represented by rupturing of contacts between particles. Such approach is universal, but demands very high computational resources. Therefore, the second approach is utilized here. At the beginning every ballast grain is modelled as one rigid body and may be replaced by several smaller particles later. Both crushing and abrasion is considered. Crushing is studied on model of oedometric test of railway ballast.
Czech name
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Czech description
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Type
D - Article in proceedings
CEP classification
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OECD FORD branch
20102 - Construction engineering, Municipal and structural engineering

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of Particle-based Methods IV – Fundamentals and Applications
ISBN
978-84-944244-7-2
ISSN
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e-ISSN
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Number of pages
7
Pages from-to
34-40
Publisher name
Neuveden
Place of publication
Barcelona, Španělsko
Event location
Barcelona
Event date
Sep 28, 2015
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000380556100002

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