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dc.contributor.authorSheil, Brian B.
dc.contributor.authorMcCabe, Bryan A.
dc.date.accessioned2017-02-21T20:18:03Z
dc.date.available2017-02-21T20:18:03Z
dc.date.issued2013-08-17
dc.identifier.citationSheil, B.B. and McCabe, B.A. (2014) A finite element based approach for prediction of rigid pile group stiffness efficiency in clays, Acta Geotechnica, Vol. 9, No. 3, pp. 469-484. DOI: 10.1007/s11440-013-0240-9en_IE
dc.identifier.issn1861-1133
dc.identifier.urihttp://hdl.handle.net/10379/6334
dc.description.abstractThis paper presents a finite element parametric study of several variables that affect the stiffness efficiency of rigidly capped pile groups with a view to developing a solution for preliminary design purposes. Previous empirical solutions from linear elastic work had identified a significant dependence of stiffness efficiency on pile group size and group spacing, and in this study, the effect of the pile length-to-diameter ratio, the compressibility of a stiff bearing stratum beneath the pile group and the depth below ground level to the stiff bearing stratum are also considered. Pile groups in a soft clay/silt are modelled using PLAXIS 3D Foundation in conjunction with a soil model that captures the stress dependency of soil stiffness. The trends from the soft soil study have been formulated into a set of equations which can be used to predict the stiffness efficiency of pile groups. This new approach captures more variables than previous simpler empirical prediction methods and performs better when applied to a database of 29 published pile group case histories.en_IE
dc.description.sponsorshipThe first author gratefully acknowledges the College of Engineering and Informatics, NUI Galway, for providing a fellowship for this research.en_IE
dc.formatapplication/pdfen_IE
dc.language.isoenen_IE
dc.publisherSpringer Verlagen_IE
dc.relation.ispartofActa Geotechnicaen
dc.subjectNumerical modellingen_IE
dc.subjectPile groupen_IE
dc.subjectPile interactionen_IE
dc.subjectStiffness efficiencyen_IE
dc.subjectCivil engineeringen_IE
dc.subjectSettlementen_IE
dc.subjectSoilen_IE
dc.subjectSilten_IE
dc.titleA finite element-based approach for predictions of rigid pile group stiffness efficiency in claysen_IE
dc.typeArticleen_IE
dc.date.updated2017-02-16T10:09:35Z
dc.identifier.doi10.1007/s11440-013-0240-9
dc.local.publishedsourcehttp://dx.doi.org/10.1007/s11440-013-0240-9en_IE
dc.description.peer-reviewedpeer-reviewed
dc.contributor.funder|~|
dc.internal.rssid6557255
dc.local.contactBryan Mccabe, Dept. Of Civil Engineering, Coll Engineering & Informatics, Room Eng-1040, Nui Galway. 2021 Email: bryan.mccabe@nuigalway.ie
dc.local.copyrightcheckedNo
dc.local.versionACCEPTED
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