Dynamic Laboratory Testing of Mechanically Stabilized Layers for Railway Applications

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F23%3A00360300" target="_blank" >RIV/68407700:21110/23:00360300 - isvavai.cz</a>

Result on the web

<a href="https://link.springer.com/chapter/10.1007/978-3-031-15758-5_59" target="_blank" >https://link.springer.com/chapter/10.1007/978-3-031-15758-5_59</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/978-3-031-15758-5_59" target="_blank" >10.1007/978-3-031-15758-5_59</a>

Result language

angličtina

Original language name

Dynamic Laboratory Testing of Mechanically Stabilized Layers for Railway Applications

Original language description

The application of mechanically stabilized layers with stiff geogrids is an effective way for sustainable and durable construction of under sleeper structures in railways. The paper explains the basics of the theory of mechanical stabilization of granular material by geogrids. Determining the mechanical properties of mechanically stabilized layers is still a practical problem. The paper describes possible laboratory approaches combined with inverse analysis of the 3D finite element method. Smaller laboratory models are used to observe differences in the performance of different geogrids even with different grain fills. Parameters describing these differences were specified and demonstrated in specific laboratory models. The inverse finite element method was used to calibrate the measured parameters with those modelled. Some approximation of the mechanical properties of the mechanically stabilized material, such as the modulus of deformation and the Poisson’s ratio, has been achieved. Determining the mechanical parameters of mechanically stabilized layers with geogrids is very useful for evaluating their possible contribution to the structure under the sleeper in comparison with unstabilized granular material. A new innovative generation of stiff geogrids was included in the research.

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

20101 - Civil engineering

Project

<a href="/en/project/CK02000293" target="_blank" >CK02000293: Adaptation of the French method of evaluation of track substructure for high-speed lines into the Czech Republic conditions</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2023

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Recent Trends in Wave Mechanics and Vibrations

ISBN

978-3-031-15757-8

ISSN

2211-0984

e-ISSN

2211-0992

Number of pages

8

Pages from-to

581-588

Publisher name

Springer, Cham

Place of publication

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Event location

Lisabon

Event date

Jun 4, 2022

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

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