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Title:Dynamic properties of lightweight foamed glass and their effect on railway vibration
Authors:ID Lenart, Stanislav (Author)
ID Kaynia, Amir M. (Author)
Files:URL URL - Source URL, visit https://www.sciencedirect.com/science/article/pii/S2214391219302016
 
.pdf PDF - Presentation file, download (2,12 MB)
MD5: C0A22E9A7FD17B1E4C5393532521838B
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo ZAG - Slovenian National Building and Civil Engineering Institute
Abstract:Deformation properties of lightweight coarse grained material from recycled foamed glass have been determined from large-scale triaxial tests on prismatic specimens with dimensions 40 cm x 40 cm x 80 cm. Deformations were measured locally using vertical and horizontal local deformation transducers. Monotonic and cyclic loading at small to medium strain range were conducted. Three load sequences representing the expected conditions of use of lightweight material as vibration-reducing material in railway geotechnics have been used. Results indicate strong effect of brittle cellular structure of tested material as well as confining pressure dependency of elastic threshold shear strain and damping ratio. The results were used to assess the applicability of empirical formulas for shear modulus of granular materials to lightweight foamed glass. The parameters determined from the laboratory tests were further used in numerical analysis of railway dynamic response. The results of the numerical simulations show that replacement of fill in track embankment by lightweight material could improve the dynamic response of the track in reducing the vibration.
Keywords:lightweight material, recycled foamed glass, railway vibration, shear modulus, damping
Publication status in journal:Published
Article version:Publisher's version of article
Publication date:29.08.2019
Publisher:Elsevier
Year of publishing:2019
Number of pages:str. 1-9
Numbering:Vol. 21
PID:20.500.12556/DiRROS-17290 New window
UDC:620.1/.2
ISSN on article:2214-3912
DOI:10.1016/j.trgeo.2019.100276 New window
COBISS.SI-ID:2484839 New window
Copyright:© 2019 The Authors. Published by Elsevier Ltd. T
Note:Nasl. z nasl. zaslona;
Publication date in DiRROS:16.11.2023
Views:79
Downloads:109
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Record is a part of a journal

Title:Transportation geotechnics
Publisher:Elsevier
ISSN:2214-3912
COBISS.SI-ID:520057625 New window

Document is financed by a project

Funder:EC - European Commission
Funding programme:H2020
Project number:636285
Name:Decision Support Tool for Rail Infrastructure Managers
Acronym:DESTinationRAIL

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:03.09.2019
Applies to:Text and Data Mining valid from 2019-12-01 Version of Record valid from 2019-09-03

Secondary language

Language:Slovenian
Keywords:lahek agregat, reciklirano penjeno steklo, železniške vibracije, strižni modul, dušenje


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