Numerical method to determine soil stiffness by cyclic load

It is demonstrated that bed stiffnesses obtained by processing results of cyclic tests by the method of rapid Fourier transforms (WAK test) and numerical calculation, are rather approximate. Results of this investigation can be used for cyclic tests of a model in a centrifuge (during repeated loadin...

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Veröffentlicht in:	Soil mechanics and foundation engineering 2012, Vol.48 (6), p.266-271
Hauptverfasser:	Parvizi, M., Qafari, M. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Approximation Centrifuges Civil Engineering Earth and Environmental Science Earth Sciences Earthquake-Resistant Construction Fatigue (materials) Foundations Fourier transforms Geoengineering Geotechnical Engineering & Applied Earth Sciences Hydraulics Mathematical models Soil (material) Stiffness
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Beschreibung
Zusammenfassung:	It is demonstrated that bed stiffnesses obtained by processing results of cyclic tests by the method of rapid Fourier transforms (WAK test) and numerical calculation, are rather approximate. Results of this investigation can be used for cyclic tests of a model in a centrifuge (during repeated loadings) for comparison with the (static) stiffness of the soil as determined from WAK-test data.
ISSN:	0038-0741 1573-9279
DOI:	10.1007/s11204-012-9157-9