Static earth pressures on a pile supported excavation in Santiago gravel

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dc.contributor.authorLópez, Sebastián
dc.contributor.authorSanhueza, Carola
dc.contributor.authorCandia, Gabriel
dc.date.accessioned2022-07-07T21:38:25Z
dc.date.available2022-07-07T21:38:25Z
dc.date.issued2019
dc.description.abstractConcrete soldier piles anchored in multiple levels are the most common method for supporting deep excavations in gravel. Their static design is based on limit equilibrium principles, although these procedures were originally developed for sheet piles or anchored walls on shallow excavations supporting medium-dense sand. The present study draws on the applicability of current design tools to model the static response of deep excavations in stiff gravels and their implications for design. For this purpose, the static response of an anchored pile system was evaluated with a detailed finite element model of a case study, and the results are compared with simplified hand-calculation procedures. The study unit was the 28 m deep excavation of the Beauchef Poniente building located in the fluvial deposits of the Mapocho River in Santiago. A plain strain model was developed in PLAXIS using the Hardening Soil constitutive model, with parameters determined from large-scale triaxial tests of local gravels, and the computed pile displacement were compared to actual displacement profiles measured with inclinometers. The analysis shows that the simplified procedures provide a reasonably good approximation to the computed earth pressures, internal forces on the piles, and stress in the anchors.es
dc.description.versionVersión Publicadaes
dc.identifier.citationLópez, Sebastián, Sanhueza, Carola, & Candia, Gabriel. (2019). Static earth pressures on a pile supported excavation in Santiago gravel. Revista de la construcción, 18(1), 89-95. https://dx.doi.org/10.7764/rdlc.18.1.87es
dc.identifier.urihttp://dx.doi.org/10.7764/rdlc.18.1.87es
dc.identifier.urihttp://hdl.handle.net/11447/6326
dc.language.isoenes
dc.relation.projectCONICYT/FONDAP/15110017es
dc.subjectAnchored pileses
dc.subjectExcavationses
dc.subjectEarth pressureses
dc.subjectSantiago graveles
dc.subjectStiff soilses
dc.titleStatic earth pressures on a pile supported excavation in Santiago graveles
dc.title.alternativeEmpujes de suelos estáticos sobre una excavación soportada por pilotes en la grava de Santiagoes
dc.typeArticlees
dcterms.sourceRevista de la Construcciónes

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