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Correlation between cyclic resistance and shear-wave velocity for providence silts / Christopher D. P. Baxter in Journal of geotechnical and geoenvironmental engineering, Vol. 134 N°1 (Janvier 2008) 

Public ISBD [article]  in Journal of geotechnical and geoenvironmental engineering > Vol. 134 N°1 (Janvier 2008) . - pp. 37–46 Titre : Correlation between cyclic resistance and shear-wave velocity for providence silts Type de document : texte imprimé Auteurs : Christopher D. P. Baxter, Auteur ; Aaron S. Bradshaw, Auteur ; Russell A. Green, Auteur Année de publication : 2008 Article en page(s) : pp. 37–46 Note générale : Geotechnical and geoenvironmental engineering Langues : Anglais (eng) Mots-clés : Silts  Liquefaction  Cyclic  tests  Shear  waves  Velocity Résumé : As an alternative to a field-based liquefaction resistance approach, cyclic triaxial tests with bender elements were used to develop a new correlation between cyclic resistance ratio (CRR) and overburden stress-corrected shear-wave velocity (VS1) for two nonplastic silts obtained from Providence, Rhode Island. Samples of natural nonplastic silt were recovered by block sampling and from geotechnical borings/split-spoon sampling. The data show that the correlation is independent of the soils’ stress history as well as the method used to prepare the silt for cyclic testing. The laboratory results indicate that using the existing field-based CRR-VS1 correlations will significantly overestimate the cyclic resistance of the Providence silts. The strong dependency of the CRR-VS1 curves on soil type also suggests the necessity of developing silt-specific liquefaction resistance curves from laboratory cyclic tests performed on reconstituted samples. En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%291090-0241%282008%29134%3A1%2837 [...] [article] Correlation between cyclic resistance and shear-wave velocity for providence silts [texte imprimé] / Christopher D. P. Baxter, Auteur ; Aaron S. Bradshaw, Auteur ; Russell A. Green, Auteur . - 2008 . - pp. 37–46. Geotechnical and geoenvironmental engineering Langues : Anglais (eng) in Journal of geotechnical and geoenvironmental engineering > Vol. 134 N°1 (Janvier 2008) . - pp. 37–46 Mots-clés : Silts  Liquefaction  Cyclic  tests  Shear  waves  Velocity Résumé : As an alternative to a field-based liquefaction resistance approach, cyclic triaxial tests with bender elements were used to develop a new correlation between cyclic resistance ratio (CRR) and overburden stress-corrected shear-wave velocity (VS1) for two nonplastic silts obtained from Providence, Rhode Island. Samples of natural nonplastic silt were recovered by block sampling and from geotechnical borings/split-spoon sampling. The data show that the correlation is independent of the soils’ stress history as well as the method used to prepare the silt for cyclic testing. The laboratory results indicate that using the existing field-based CRR-VS1 correlations will significantly overestimate the cyclic resistance of the Providence silts. The strong dependency of the CRR-VS1 curves on soil type also suggests the necessity of developing silt-specific liquefaction resistance curves from laboratory cyclic tests performed on reconstituted samples. En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%291090-0241%282008%29134%3A1%2837 [...]