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New triaxial device for unsaturated soils with local measurements

  • Cathie Inc.
  • Université Paris-Est

Résultats de recherche: Le chapitre dans un livre, un rapport, une anthologie ou une collectionContribution à une conférenceRevue par des pairs

Résumé

A new triaxial device is proposed to perform a complete local monitoring of the state of an unsaturated soil sample during triaxial testing by the use of local measurement devices comprising the measurement of local displacements (Hall Effect transducers), water content (new resistivity probe) and suction (High capacity transducer). Two triaxial tests were carried out on loess specimens (from 3.3 m in depth) from Northern France with this device at low stresses in the range of in-situ stresses. This soil is characterized by its sensitivity to collapse and a metastable structure. The in-situ stress state was reproduced by mean of a K0 stress path (keeping lateral strain to zero). Results showed good quality and provided some preliminary behavior characteristics of a natural unsaturated loess, a type of material rarely tested up to now in the literature. They also showed the device quality and reliability.

langue originaleAnglais
titreUnsaturated Soils
Sous-titreResearch and Applications - Proceedings of the 6th International Conference on Unsaturated Soils, UNSAT 2014
EditeurTaylor and Francis - Balkema
Pages1617-1622
Nombre de pages6
ISBN (imprimé)9781138026902
étatPublié - 1 janv. 2014
Modification externeOui
Evénement6th International Conference on Unsaturated Soils, UNSAT 2014 - Sydney, NSW, Australie
Durée: 2 juil. 20144 juil. 2014

Série de publications

NomUnsaturated Soils: Research and Applications - Proceedings of the 6th International Conference on Unsaturated Soils, UNSAT 2014
Volume2

Une conférence

Une conférence6th International Conference on Unsaturated Soils, UNSAT 2014
Pays/TerritoireAustralie
La villeSydney, NSW
période2/07/144/07/14

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