An investigation of the effect of under-ballast reinforcing geogrids in laboratory and operating conditions

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F10%3A00168239" target="_blank" >RIV/68407700:21110/10:00168239 - 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
An investigation of the effect of under-ballast reinforcing geogrids in laboratory and operating conditions
Original language description
The article presents the results of research focused on the use of reinforcing geosynthe-tics inserted directly under the ballast. This technology appears to be a beneficial, cost-effective solution in cases of need for enhancing the bearing capacity ofexisting railway tracks with poorer track bed quality. Model constructions in a 1:1 scale with reinforcing geogrids of three types inserted under the ballast were investigated in laboratory conditions under short-term static loading and long-term cyclicloading. The contribution of geosynthetics is evaluated by comparing the values of settlement and bearing capacity of individual layers with those of a non-reinforced construction. The article also describes the up-to-date experience in the verificationof the geocomposite-reinforced ballast bed in operating conditions. It is performed on a trial section of a single-rail track 200 m in length characterized by persisting long-term problems with the track geometry.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JM - Structural engineering
OECD FORD branch
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Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit
ISSN
0954-4097
e-ISSN
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Volume of the periodical
224
Issue of the periodical within the volume
4
Country of publishing house
GB - UNITED KINGDOM
Number of pages
9
Pages from-to
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UT code for WoS article
000280565100005
EID of the result in the Scopus database
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