A Macro-Element for Dynamic Soil-Structure Interaction Analyses of Shallow Foundations

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dc.creatorChatzigogos, Charisis
dc.creatorPecker, Alain
dc.creatorSalençon, Jean
dc.date2008-03-13
dc.date.accessioned2026-07-07T12:17:37Z
dc.date.available2026-07-07T12:17:37Z
dc.descriptionThe scope of the paper is to present some aspects of the development of a "macro-element" for dynamic soil-structure interaction analyses of shallow foundations. Initially the concept of "macro-element" is introduced and is illustrated with the aid of a very simple example originating from structural engineering. Then the link is made with the modeling of the dynamic response of shallow foundations and the objectives and structure of such a tool are described with reference to the specific configuration of a circular footing resting on the surface of a heterogeneous purely cohesive soil. The principal features of the "macro-element" are then presented; the soil-structure interaction domain is reduced to a point that coincides with the center of the footing and all the (material and geometric) non-linearities are lumped at this point. A discussion on the most appropriate way to treat these non-linearities is undertaken based on experience gained with earlier works. It is suggested that the non-linearities be incorporated in the model within a unified formalism making use of the theory of multi-mechanism plasticity. Initial results concerning the definition of the ultimate surface for such a plasticity model, corresponding to the seismic bearing capacity of the foundation, are finally presented.
dc.description4th International Conference on Earthquake Geotechnical Engineering, Thessaloniki : Grèce (2007)
dc.identifierhttps://arxiv.org/abs/0803.1912
dc.identifierhttp://arxiv.org/abs/0803.1912
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/212136
dc.subjectGeophysics
dc.titleA Macro-Element for Dynamic Soil-Structure Interaction Analyses of Shallow Foundations
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