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Evaluation of the dynamic behaviour of railway soil foundations using in-situ buried instrumentation

Abstract : The aim of the work, described in this paper, is to propose a method enabling the in-situ mechanical characterisation of railway materials from the use of acceleration records of a downhole seismic instrumentation network installed in a research facility of the national French Railway Company. This is done using some geophysical methods (i.e. interferometry and time-frequency analysis) to analyse the vibrations induced by the dynamic loading of a passing trains. According to the recorded data from the instrumented site, it is shown that the response of rail-embankment-ground system is mainly non-linear elastic.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-02457303
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Submitted on : Monday, January 27, 2020 - 10:35:11 PM
Last modification on : Wednesday, July 8, 2020 - 11:10:22 AM

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Fernando Lopez‐caballero, Fabien Bonilla, Sofia Costa d'Aguiar, C. Voivret. Evaluation of the dynamic behaviour of railway soil foundations using in-situ buried instrumentation. Proceedings of the third international conference on railway technology : research, development and maintenance, Apr 2016, Cagliari, Italy. ⟨10.4203/ccp.110.35⟩. ⟨hal-02457303⟩

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