Abstract
Modelling of soil behaviour has progressed very much during the past years. This paper addresses the problem of reproducing the response of saturated sands under dynamic loading such as caused by earthquakes, within the framework of Generalized Plasticity Theory, a Summary of which is provided in the first part of the paper.
Next, a simple model for saturated sand is presented, where the unloading process is considered as a new loading with the advantage of a better modelling of cyclic mobilization phenomena.
Anisotropy of sand may result sometimes in an overestimated dynamic strength. Last part of the paper is devoted to show how isotropic models formulated in terms of invariants may be easily generalized to account for material structure.
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Pastor, M. (1991). Generalized Plasticity Modelling of Saturated Sand Behaviour under Earthquake Loading. In: Oñate, E., Periaux, J., Samuelsson, A. (eds) The finite element method in the 1990’s. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-10326-5_13
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DOI: https://doi.org/10.1007/978-3-662-10326-5_13
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