Some Effects Of The Layering Of The Soil On Wave

Propagation And Foundation Vibrations

L. Auersch

doi:10.2495/SD950321

Some Effects Of The Layering Of The Soil On Wave Propagation And Foundation Vibrations

Price

Free (open access)

Transaction

WIT Transactions on The Built Environment

Volume

Pages

Published

1995

Size

598 kb

Paper DOI

10.2495/SD950321

WIT Press

Author(s)

L. Auersch

Abstract

When one measures soil or foundation vibrations, one often has the following problem. The soil profile is only known down to a certain depth, and there is some uncertainty about the behaviour of the thin top layer. One wants to know the effects of a stiff underlying soil or of a soft top layer. A layered model of the soil may better explain the experimental results. By integration in wavenumber domain the wave-field due to a harmonic point- load can be calculated. The solution then can be used to determine the dynamic stiffness of a rigid or flexible foundation. Results of some layered situations are presented, and the different effects on the horizontal and vertical compo- ments of the vibrations of the soil and of the foundation are discussed. Experi- mental results of both problems (wave propagation and

Keywords

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Code

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