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Increasing the resistance of piles subject to cyclic lateral loading / J. Peng in Journal of geotechnical and geoenvironmental engineering, Vol. 137 N° 10 (Octobre 2011) 

Public ISBD [article]  in Journal of geotechnical and geoenvironmental engineering > Vol. 137 N° 10 (Octobre 2011) . - pp. 977-985 Titre : Increasing the resistance of piles subject to cyclic lateral loading Type de document : texte imprimé Auteurs : J. Peng, Auteur ; B. G. Clarke, Auteur ; M. Rouainia, Auteur Année de publication : 2012 Article en page(s) : pp. 977-985 Note générale : Géotechnique Langues : Anglais (eng) Mots-clés : Geotechnical  engineering  Foundations  Offshore  structures  Soil  mechanics  Sand  Laboratory  equipment  Cyclic  tests  Cyclic  loads Index. décimale : 624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels Résumé : Small-scale tests were carried out on a monopile and fin piles to determine the effect the length of fins had upon the lateral displacement of cyclically loaded piles. A variety of loading conditions were applied to model piles in a dense sand by using a mechanical loading system. Ten thousand cycles were used in each test to represent 20 years of environmental loading on offshore structures. Variables included the magnitude, frequency, and direction of the load; the type of pile tip; and the length of the fins. The reduction in pile head displacement was used as a measure of the efficiency of the fins. The tests show that the fins reduced the lateral displacement by at least 50% after 10,000 cycles. DEWEY : 624.1 ISSN : 1090-0241 En ligne : http://ascelibrary.org/gto/resource/1/jggefk/v137/i10/p977_s1?isAuthorized=no [article] Increasing the resistance of piles subject to cyclic lateral loading [texte imprimé] / J. Peng, Auteur ; B. G. Clarke, Auteur ; M. Rouainia, Auteur . - 2012 . - pp. 977-985. Géotechnique Langues : Anglais (eng) in Journal of geotechnical and geoenvironmental engineering > Vol. 137 N° 10 (Octobre 2011) . - pp. 977-985 Mots-clés : Geotechnical  engineering  Foundations  Offshore  structures  Soil  mechanics  Sand  Laboratory  equipment  Cyclic  tests  Cyclic  loads Index. décimale : 624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels Résumé : Small-scale tests were carried out on a monopile and fin piles to determine the effect the length of fins had upon the lateral displacement of cyclically loaded piles. A variety of loading conditions were applied to model piles in a dense sand by using a mechanical loading system. Ten thousand cycles were used in each test to represent 20 years of environmental loading on offshore structures. Variables included the magnitude, frequency, and direction of the load; the type of pile tip; and the length of the fins. The reduction in pile head displacement was used as a measure of the efficiency of the fins. The tests show that the fins reduced the lateral displacement by at least 50% after 10,000 cycles. DEWEY : 624.1 ISSN : 1090-0241 En ligne : http://ascelibrary.org/gto/resource/1/jggefk/v137/i10/p977_s1?isAuthorized=no