Title: A numerical model for ground-borne vibrations from underground railway traffic based on a periodic finite element-boundary element formulation
Authors: Degrande, Geert ×
Clouteau, D
Othman, R
Arnst, M
Chebli, H
Klein, R
Chatterjee, P
Janssens, B #
Issue Date: Jan-2006
Publisher: Academic press ltd elsevier science ltd
Series Title: Journal of sound and vibration vol:293 issue:3-5 pages:645-666
Abstract: A numerical model is presented to predict vibrations in the free field from excitation due to metro trains in tunnels. The three-dimensional dynamic tunnel-soil interaction problem is solved with a subdomain formulation, using a finite element formulation for the tunnel and a boundary element method for the soil. The periodicity of the geometry in the longitudinal direction of the tunnel is exploited using the Floquet transform, limiting the discretization to a single-bounded reference cell. The responses of two different types of tunnel due to a harmonic load on the tunnel invert are compared, both in the frequency-wavenumber and spatial domains. The first tunnel is a shallow cut-and-cover masonry tunnel on the Paris metro network, embedded in layers of sand, while the second tunnel is a deep bored tunnel of London Underground, with a cast iron lining and embedded in the London clay. (c) 2006 Elsevier Ltd. All rights reserved.
ISSN: 0022-460X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Structural Mechanics Section
× corresponding author
# (joint) last author

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