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Détail de l'auteur
Auteur Jason D. Ross
Documents disponibles écrits par cet auteur
Affiner la rechercheRelationship between NP GCL internal and HDPE GMX/NP GCL interface shear strengths / Fox, Patrick J. in Journal of geotechnical and geoenvironmental engineering, Vol. 137 N° 8 (Août 2011)
[article]
in Journal of geotechnical and geoenvironmental engineering > Vol. 137 N° 8 (Août 2011) . - pp. 743-753
Titre : Relationship between NP GCL internal and HDPE GMX/NP GCL interface shear strengths Type de document : texte imprimé Auteurs : Fox, Patrick J., Auteur ; Jason D. Ross, Auteur Année de publication : 2011 Article en page(s) : pp. 743-753 Note générale : Géotechnique Langues : Anglais (eng) Mots-clés : Geosynthetic clay liner Textured geomembrane Shear strength Direct shear test Index. décimale : 624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels Résumé : An investigation was conducted on the relationship between the internal shear strength of hydrated needle-punched (NP) geosynthetic clay liners (GCLs) and the interface shear strength between hydrated NP GCLs (nonwoven side) and high-density polyethylene (HDPE) textured geomembranes (GMXs). New large-scale direct shear data are presented and compared to previous results obtained using similar materials and procedures. The data indicate that both GCLs and GMX/GCL interfaces display large postpeak strength reduction, even at high normal stress. Peak and large-displacement failure envelopes are nonlinear; except for the GCL internal residual strength envelope, which passes through the origin and has a friction angle of 4.8°. GMX/GCL interfaces can be expected to have lower peak strengths and higher large-displacement strengths than GCL internal shear specimens. However, the failure mode for GMX/GCL specimens can change from interface shear to GCL internal shear as normal stress increases. Design for peak strength conditions should be based on the lowest peak strength interface in a liner system, and design for large displacement conditions should be on the basis of the residual strength of the same interface.
DEWEY : 624.1 ISSN : 1090-0241 En ligne : http://ascelibrary.org/gto/resource/1/jggefk/v137/i8/p743_s1?isAuthorized=no [article] Relationship between NP GCL internal and HDPE GMX/NP GCL interface shear strengths [texte imprimé] / Fox, Patrick J., Auteur ; Jason D. Ross, Auteur . - 2011 . - pp. 743-753.
Géotechnique
Langues : Anglais (eng)
in Journal of geotechnical and geoenvironmental engineering > Vol. 137 N° 8 (Août 2011) . - pp. 743-753
Mots-clés : Geosynthetic clay liner Textured geomembrane Shear strength Direct shear test Index. décimale : 624.1 Infrastructures.Ouvrages en terre. Fondations. Tunnels Résumé : An investigation was conducted on the relationship between the internal shear strength of hydrated needle-punched (NP) geosynthetic clay liners (GCLs) and the interface shear strength between hydrated NP GCLs (nonwoven side) and high-density polyethylene (HDPE) textured geomembranes (GMXs). New large-scale direct shear data are presented and compared to previous results obtained using similar materials and procedures. The data indicate that both GCLs and GMX/GCL interfaces display large postpeak strength reduction, even at high normal stress. Peak and large-displacement failure envelopes are nonlinear; except for the GCL internal residual strength envelope, which passes through the origin and has a friction angle of 4.8°. GMX/GCL interfaces can be expected to have lower peak strengths and higher large-displacement strengths than GCL internal shear specimens. However, the failure mode for GMX/GCL specimens can change from interface shear to GCL internal shear as normal stress increases. Design for peak strength conditions should be based on the lowest peak strength interface in a liner system, and design for large displacement conditions should be on the basis of the residual strength of the same interface.
DEWEY : 624.1 ISSN : 1090-0241 En ligne : http://ascelibrary.org/gto/resource/1/jggefk/v137/i8/p743_s1?isAuthorized=no