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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 106
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY
Edited by:
Paper 191

Comparative study of Boundary Element Formulations for the Analysis of Pile-Soil Interaction

A.K. Rosa and J.B. Paiva

Structures Department, São Carlos Engineering School, University of São Paulo, Brazil

Full Bibliographic Reference for this paper
A.K. Rosa, J.B. Paiva, "Comparative study of Boundary Element Formulations for the Analysis of Pile-Soil Interaction", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 191, 2014. doi:10.4203/ccp.106.191
Keywords: boundary element method, finite element method, finite difference method, pile-soil interaction..

Summary
In this paper a comparative study of numerical formulations for the analysis of pilesoil interaction problems where the pile is subject to horizontal loading is presented. The soil is modelled as a continuous semi-infinite medium and the fundamental solution used is based on the work of Mindlin. The pile is modelled using the finite difference method and the boundary element method. The pile-soil interface tractions are approximated by a linear function for each element of the finite difference method and linear, cubic and fourth degree polynomials for the finite elements. With the use of compatibility equations in displacements and tractions the pile-soil interface systems of equations are obtained the solution of which enables tractions and displacements in the piles to be obtained. The results obtained with these formulations in the analysis of piles submitted to horizontal loading are presented and their results compared.

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