Numerical modelling of ground vibration caused by elevated high-speed railway lines considering structure-soil-structure interaction

Paulius Bucinskas, Lars Vabbersgaard Andersen, Kent Persson

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

8 Citationer (Scopus)

Abstrakt

Construction of high speed railway lines has been an increasing trend in recent years. Countries like Denmark and Sweden plan to expand and upgrade their railways to accommodate high-speed traffic. To benefit from the full potential of the reduced commuting times, these lines must pass through densely populated urban areas with the collateral effect of increased noise and vibrations levels. This paper aims to quantify the vibrations levels in the area surrounding an elevated railway line built as a multi-span bridge structure. The proposed model employs finite-element analysis to model the bridge structure, including a multi-degree-of-freedom vehicle model and accounting for the track unevenness via a nonlinear contact model. The foundations are implemented as rigid footings resting on the ground surface, while the soil is modelled utilizing Green’s function for a horizontally layered half-space. The paper analyses the effects of structure-soil-structure interaction on the dynamic behaviour of the surrounding soil surface. The effects of different soil stratification and material properties as well as different train speeds are assessed. Finally, the drawbacks of simplifying the numerical model, in order to reduce the complexity of the calculations, are determined.
OriginalsprogEngelsk
TitelProceedings of INTER-NOISE 2016 : 45th International Congress and Exposition on Noise Control Engineering : Towards a Quieter Future
RedaktørerWolfgang Kropp, Otto von Estorff, Brigitte Schulte-Fortkamp
Antal sider12
UdgivelsesstedHamburg
ForlagDeutsche Gesellschaft für Akustik, DEGA
Publikationsdato2016
Sider2119-2130
ISBN (Elektronisk)978-3-939296-11-9
StatusUdgivet - 2016
BegivenhedThe 45th International Congress and Exposition on Noise Control Engineering - Hamburg, Tyskland
Varighed: 21 aug. 201624 aug. 2016
Konferencens nummer: 45

Konference

KonferenceThe 45th International Congress and Exposition on Noise Control Engineering
Nummer45
Land/OmrådeTyskland
ByHamburg
Periode21/08/201624/08/2016
Navn Proceedings of the International Congress on Noise Control Engineering
Nummer45

Emneord

  • Ground Vibration
  • Speed Railways
  • Finite–Element Analysis
  • Structure–Soil–Structure Interaction

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