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Assessment of the range of variation of Nγ from 60 estimation methods for footings on sand

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Autor dc.contributor.author Diaz-Segura E.G.
Fecha Ingreso dc.date.accessioned 2014-04-05T00:17:04Z
Fecha Disponible dc.date.available 2014-04-05T00:17:04Z
Fecha en Repositorio dc.date.issued 2014-04-04
dc.identifier 10.1139/cgj-2012-0426
dc.description.abstract The range of variation of the bearing capacity factor, Nγ, was assessed using 60 estimation methods for rough footings on sand subjected to static vertical loading. The influence on the Nγ values of the use of correlations for the estimation of the friction angle, φ, derived from in situ tests was also assessed. The analysis shows a marked dependency on the methods used to determine Nγ, showing differences for the same φ values of up to 267% between estimated values. Uncertainty in the estimation of φ, due to the use of correlations with in situ tests, leads to a range of variation for Nγ higher than that seen using the 60 estimation methods. Finally, given the regular use of the in situ standard penetration test (SPT) on sands, and based on a series of analyses using finite elements, a simplified method in terms of the SPT N-values is proposed for estimation of Nγ in footings on sands. en_US
dc.source Canadian Geotechnical Journal
Link Descarga dc.source.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-84879934390&partnerID=40&md5=9f2acd4aa27060e57a9cac48aa33841c
Title dc.title Assessment of the range of variation of Nγ from 60 estimation methods for footings on sand en_US
Tipo dc.type Note


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