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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 192

Two Boundary Element Strategies for the Elastic Analysis of Raft Foundations on a Finite Layer Medium

A.V. Mendonça1, V.S. Almeida2 and J.B. de Paiva3

1Department of Civil Engineering, Federal University of Paraiba, João Pessoa, Paraíba, Brazil
2Department of Geotechnical and Structural Engineering, University of São Paulo, Brazil
3Department of Structures, University of São Paulo, São Carlos, Brazil

Full Bibliographic Reference for this paper
, "Two Boundary Element Strategies for the Elastic Analysis of Raft Foundations on a Finite Layer Medium", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 192, 2014. doi:10.4203/ccp.106.192
Keywords: soil-structure interaction, raft foundation, boundary element method, finite layer, half-space medium, bending plate..

Summary
In this paper, raft problems resting on a continuum subject to vertical static loading are analysed using a boundary element formulation. The raft is assumed to have linear elastic properties and is represented by integral equations based on Kirchhoff's plate model. The soil is a linear-elastic solid of a finite depth and is modelled using two distinct approaches namely a direct layered Mindlin approach and a Steinbrenner model. All the interaction forces of the raft-soil system are simultaneously taken into account. Numerical analyses are presented for different foundation configurations and the results of those analyses are studied.

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