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Comparative study of BEM formulations for the analysis of pile-soil interaction

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Author(s):
Alessandra Kiyoko da Rosa
Total Authors: 1
Document type: Master's Dissertation
Press: São Carlos.
Institution: Universidade de São Paulo (USP). Escola de Engenharia de São Carlos (EESC/SBD)
Defense date:
Examining board members:
João Batista de Paiva; Valério da Silva Almeida; Edson Denner Leonel
Advisor: João Batista de Paiva
Abstract

For a more accurate analysis of the structural system, it is necessary to study the interactive behavior between the various parts that compose it, among them, there is the interaction between the foundation elements and massive soil. In this work, numerical formulations were developed for the analysis of pile-soil interaction by coupling between different numerical methods: the boundary element method, finite element method and finite difference method. Piles can be subjected to horizontal loads, vertical and moments applied on its top. In these formulations were used in addition to the displacement integral equations, the equations of their derivatives, leading to a higher degree of uniqueness but allowing the adoption of more sophisticated approaches to displacements and contact tractions along the pile. All displacements and their derivatives relating to the pile were matched with the corresponding soil. Developed formulations made due coupling between them were analyzed examples, which were compared with results obtained by other authors, demonstrating its validity. (AU)

FAPESP's process: 09/11563-0 - An alternative formulation for analysis of pile-soil interaction
Grantee:Alessandra Kiyoko da Rosa
Support Opportunities: Scholarships in Brazil - Master