Influence of underlying weak soil on passive earth pressure in cohesionless deposits / Scott J. Brandenberg in Journal of geotechnical and geoenvironmental engineering, Vol. 137 N° 3 (Mars 2011)  

Public ISBD [article]  inJournal of geotechnical and geoenvironmental engineering > Vol. 137 N° 3 (Mars 2011) . - pp. 273-278 Titre : Influence of underlying weak soil on passive earth pressure in cohesionless deposits Type de document : texte imprimé Auteurs : Scott J. Brandenberg, Auteur ; Pirooz Kashighandi, Auteur Année de publication : 2011 Article en page(s) : pp. 273-278 Note générale : Géotechnique Langues : Anglais (eng) Mots-clés : Passive pressure Earthquakes Lateral spreading Liquefaction Index. décimale : 624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels Résumé : Finite-element simulations demonstrate the influence of underlying weak soil on mobilization of passive pressures in cohesionless deposits. Traditional passive earth pressure theories with typical angles of interface friction may overestimate passive forces in such cases. Simple analytical models that incorporate the underlying weak soil using traditional passive earth pressure concepts are shown to agree reasonably with the finite-element simulations. The studies presented herein are relevant for cases in which cohesionless soil deposits overlie soft clay, liquefiable sand, or other weak layers. DEWEY : 624.1 ISSN : 1090-0241 En ligne : http://ascelibrary.org/gto/resource/1/jggefk/v137/i3/p273_s1?isAuthorized=no [article] Influence of underlying weak soil on passive earth pressure in cohesionless deposits [texte imprimé] / Scott J. Brandenberg, Auteur ; Pirooz Kashighandi, Auteur . - 2011 . - pp. 273-278. Géotechnique Langues : Anglais (eng) in Journal of geotechnical and geoenvironmental engineering > Vol. 137 N° 3 (Mars 2011) . - pp. 273-278 Mots-clés : Passive pressure Earthquakes Lateral spreading Liquefaction Index. décimale : 624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels Résumé : Finite-element simulations demonstrate the influence of underlying weak soil on mobilization of passive pressures in cohesionless deposits. Traditional passive earth pressure theories with typical angles of interface friction may overestimate passive forces in such cases. Simple analytical models that incorporate the underlying weak soil using traditional passive earth pressure concepts are shown to agree reasonably with the finite-element simulations. The studies presented herein are relevant for cases in which cohesionless soil deposits overlie soft clay, liquefiable sand, or other weak layers. DEWEY : 624.1 ISSN : 1090-0241 En ligne : http://ascelibrary.org/gto/resource/1/jggefk/v137/i3/p273_s1?isAuthorized=no

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