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Prediction and validation of traffic vibration reduction due to cement column stabilization
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
2007 (English)In: Soil Dynamics and Earthquake Engineering, ISSN 0267-7261, Vol. 27, no 8, 793-802 p.Article in journal (Refereed) Published
Abstract [en]

The transmission and reduction of vibrations in the far-field of the surface of the ground due to a surface load is investigated theoretically and validated with given field measurement data. The performance of a given stabilization column, located directly underneath the load, at a number of receiver positions is studied and-measured in terms of insertion loss. A numerical model is presented, which enables the wave-field in the region of the column to be determined, based on an integral equation formulation of the problem which is solved using a boundary element approach. It is shown that the column has a beneficial effect at low frequencies especially in certain frequency bandwidths and is validated with field data. However, when the Rayleigh wavelength becomes short compared with the depth and width of the column adverse effects occur at some frequencies which are also observed in the far-field. Various depths of columns and material properties of the surrounding soil medium are studied and results presented so that some preliminary physical conclusions may be derived.

Place, publisher, year, edition, pages
2007. Vol. 27, no 8, 793-802 p.
Keyword [en]
wave propagation, elastic half-space, boundary element methods, stabilization methods
National Category
Fluid Mechanics and Acoustics
URN: urn:nbn:se:kth:diva-37121DOI: 10.1016/j.soildyn.2007.01.002ISI: 000246311100007ScopusID: 2-s2.0-33947713360OAI: diva2:432168
Available from: 2011-08-01 Created: 2011-08-01 Last updated: 2011-08-01Bibliographically approved

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Peplow, Andrew T.
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