A simple method to predict elastic settlements in foundations resting on two soils of differing deformability

Please use this identifier to cite or link to this item: http://hdl.handle.net/10045/53518
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dc.contributorIngeniería del Terreno y sus Estructuras (InTerEs)es
dc.contributor.authorDíaz Castañeda, Esteban-
dc.contributor.authorTomás, Roberto-
dc.contributor.otherUniversidad de Alicante. Departamento de Ingeniería Civiles
dc.identifier.citationEuropean Journal of Environmental and Civil Engineering. 2016, 20(3): 263-281. doi:10.1080/19648189.2015.1035806es
dc.identifier.issn2116-7214 (Print)-
dc.identifier.issn1964-8189 (Online)-
dc.description.abstractThis paper shows the analysis results obtained from more than 200 finite element method (FEM) models used to calculate the settlement of a foundation resting on two soils of differing deformability. The analysis considers such different parameters as the foundation geometry, the percentage of each soil in contact with the foundation base and the ratio of the soils’ elastic moduli. From the described analysis, it is concluded that the maximum settlement of the foundation, calculated by assuming that the foundation is completely resting on the most deformable soil, can be correlated with the settlement calculated by FEM models through a correction coefficient named “settlement reduction factor” (α). As a consequence, a novel expression is proposed for calculating the real settlement of a foundation resting on two soils of different deformability with maximum errors lower than 1.57%, as demonstrated by the statistical analysis carried out. A guide for the application of the proposed simple method is also explained in the paper. Finally, the proposed methodology has been validated using settlement data from an instrumented foundation, indicating that this is a simple, reliable and quick method which allows the computation of the maximum elastic settlement of a raft foundation, evaluates its suitability and optimises its selection process.es
dc.description.sponsorshipGeneralitat Valenciana (GV/2011/044) and the University of Alicante (VIGROB-157).es
dc.publisherTaylor & Francises
dc.rights© 2015 Taylor & Francises
dc.subjectSoil/structure interactiones
dc.subjectFinite element modellinges
dc.subject.otherIngeniería del Terrenoes
dc.titleA simple method to predict elastic settlements in foundations resting on two soils of differing deformabilityes
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