A Soil Foundation Interaction Model for the Analysis of Pile Group Behaviour

This article presents a method for evaluating the distribution of the external loads within a pile group. The model is based on the imposition of the rotation compatibility condition between the pile cap and the piles heads. It includes the soil-foundation interaction which depends, in turn, on two...

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Bibliographic Details
Published in:Structural engineering international : journal of the International Association for Bridge and Structural Engineering (IABSE) 2002-02, Vol.12 (1), p.40-46
Main Authors: Lenzi, Maurizio, Gambi, Andrea, Olivucci, Giancarlo
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Computation methods. Tables. Charts
Earthwork. Foundations. Retaining walls
Exact sciences and technology
Geotechnics
Structural analysis. Stresses
Structure-soil interaction
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Summary:This article presents a method for evaluating the distribution of the external loads within a pile group. The model is based on the imposition of the rotation compatibility condition between the pile cap and the piles heads. It includes the soil-foundation interaction which depends, in turn, on two main parameters. The result is a set of clear formulas similar to those provided by the statically-determinate method. Finally, a parametric analysis shows the correlation, by means of an interaction domain, between the axial forces and the bending moments in the pile heads as a function of the lateral loads.
ISSN:1016-8664
1683-0350
DOI:10.2749/101686602777965649