Shaft capacity of open-ended piles in sand / David John Paul Igoe in Journal of geotechnical and geoenvironmental engineering, Vol. 137 N° 10 (Octobre 2011)  

Public ISBD [article]  inJournal of geotechnical and geoenvironmental engineering > Vol. 137 N° 10 (Octobre 2011) . - pp. 903-913 Titre : Shaft capacity of open-ended piles in sand Type de document : texte imprimé Auteurs : David John Paul Igoe, Auteur ; Kenneth George Gavin, Auteur ; Brendan C. O’Kelly, Auteur Année de publication : 2012 Article en page(s) : pp. 903-913 Note générale : Géotechnique Langues : Anglais (eng) Mots-clés : Open-ended piles Shaft capacity Plugging Cyclic loading Index. décimale : 624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels Résumé : This paper presents the results from an experimental investigation designed to examine the effect of soil-core development and cyclic loading on the shaft resistance developed by open-ended piles in sand. An instrumented open-ended model pile was installed either by driving or jacking into an artificially-created loose sand deposit in Blessington, Ireland. The tests provided continuous measurements of the soil-core development and the radial effective stresses during installation and subsequent load tests. The equalized radial effective stresses developed at the pile-soil interface were seen to be dependent on the degree of soil displacement (plugging) experienced during installation, the distance from the pile toe, and the number of load cycles experienced by a soil element adjacent to the pile shaft. A new design method for estimating the shaft capacity of piles in sand is proposed and compared with measurements made on prototype field-scale piles. DEWEY : 624.1 ISSN : 1090-0241 En ligne : http://ascelibrary.org/gto/resource/1/jggefk/v137/i10/p903_s1?isAuthorized=no [article] Shaft capacity of open-ended piles in sand [texte imprimé] / David John Paul Igoe, Auteur ; Kenneth George Gavin, Auteur ; Brendan C. O’Kelly, Auteur . - 2012 . - pp. 903-913. Géotechnique Langues : Anglais (eng) in Journal of geotechnical and geoenvironmental engineering > Vol. 137 N° 10 (Octobre 2011) . - pp. 903-913 Mots-clés : Open-ended piles Shaft capacity Plugging Cyclic loading Index. décimale : 624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels Résumé : This paper presents the results from an experimental investigation designed to examine the effect of soil-core development and cyclic loading on the shaft resistance developed by open-ended piles in sand. An instrumented open-ended model pile was installed either by driving or jacking into an artificially-created loose sand deposit in Blessington, Ireland. The tests provided continuous measurements of the soil-core development and the radial effective stresses during installation and subsequent load tests. The equalized radial effective stresses developed at the pile-soil interface were seen to be dependent on the degree of soil displacement (plugging) experienced during installation, the distance from the pile toe, and the number of load cycles experienced by a soil element adjacent to the pile shaft. A new design method for estimating the shaft capacity of piles in sand is proposed and compared with measurements made on prototype field-scale piles. DEWEY : 624.1 ISSN : 1090-0241 En ligne : http://ascelibrary.org/gto/resource/1/jggefk/v137/i10/p903_s1?isAuthorized=no

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