Experimental investigation on effectiveness of a vertical drain under cyclic loads / Buddhima Indraratna in Journal of geotechnical and geoenvironmental engineering, Vol. 135 N° 6 (Juin 2009)  

Public ISBD [article]  inJournal of geotechnical and geoenvironmental engineering > Vol. 135 N° 6 (Juin 2009) . - pp. 835–839 Titre : Experimental investigation on effectiveness of a vertical drain under cyclic loads Type de document : texte imprimé Auteurs : Buddhima Indraratna, Auteur ; Anass Attya, Auteur ; Cholachat Rujikiatkamjorn, Auteur Année de publication : 2009 Article en page(s) : pp. 835–839 Note générale : Geotechnical and geoenvironmental engineering Langues : Anglais (eng) Mots-clés : Clays Soil consolidation Drainage Laboratory tests Repeated loads Cyclic Résumé : This study examines the effectiveness of a prefabricated vertical drain (PVD) installed in reconstituted soft clay, where a large cyclic triaxial device was used to simulate repeated loading representing a rail track environment. The experimental data demonstrate that PVD successfully prevents excessive buildup of pore water pressure during cyclic loading, and that dissipation continues to occur after the load is removed. The findings of this study have direct relevance to rail track environments, e.g., in coastal Australia, where PVD installation beneath rail tracks constructed on low-lying estuarine soils has been recently introduced. En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29GT.1943-5606.0000006 [article] Experimental investigation on effectiveness of a vertical drain under cyclic loads [texte imprimé] / Buddhima Indraratna, Auteur ; Anass Attya, Auteur ; Cholachat Rujikiatkamjorn, Auteur . - 2009 . - pp. 835–839. Geotechnical and geoenvironmental engineering Langues : Anglais (eng) in Journal of geotechnical and geoenvironmental engineering > Vol. 135 N° 6 (Juin 2009) . - pp. 835–839 Mots-clés : Clays Soil consolidation Drainage Laboratory tests Repeated loads Cyclic Résumé : This study examines the effectiveness of a prefabricated vertical drain (PVD) installed in reconstituted soft clay, where a large cyclic triaxial device was used to simulate repeated loading representing a rail track environment. The experimental data demonstrate that PVD successfully prevents excessive buildup of pore water pressure during cyclic loading, and that dissipation continues to occur after the load is removed. The findings of this study have direct relevance to rail track environments, e.g., in coastal Australia, where PVD installation beneath rail tracks constructed on low-lying estuarine soils has been recently introduced. En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29GT.1943-5606.0000006

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