Abstract
For the dynamic analysis of structures or machines supported on piles it is convenient to use the substructuring technique and to replace the soil-pile system by frequency-dependent impedances at the structure-pile interface. These impedances represent the dynamic stiffness and damping of the system under harmonic excitation. Analytical evaluation of these properties is possible only in certain idealized cases (Nogami and Novak, 1976; Novak and Nogami, 1977), and the more generally applicable finite element method could be quite expensive. An alternative method, which is approximate but has quite wide applicability, involves treating the soil surrounding the pile as a Winkler medium so that the soil reaction at a point on the pile depends only on the displacment of the pile at that point. With this technique it is possible to treat any end condition at the pile-tip, arbitrary variation of cross section with depth and layering of the soil medium.
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© 1983 Springer-Verlag Berlin Heidelberg
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Basu, A.K., Gupta, A. (1983). Computation of Pile-Head Impedances by the Transfer Matrix Method. In: Adey, R.A. (eds) Engineering Software III. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-02335-8_29
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DOI: https://doi.org/10.1007/978-3-662-02335-8_29
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