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This paper presents preliminary results on the collapse response of an artificially prepared sand-silt mixture in a hollow cylinder apparatus. The wetting stage is performed under constant mean and deviatoric stresses but at different intermediate principal stresses (controlled through the principal stress parameter b = (s2- s3)/( s1- s3)). Properties of the mixture are first described to complement its hydro-mechanical information. The preliminary results seem to indicate that collapse is larger when the intermediate stress coincides with the minor one.
CitationCárdenas, O. E., WEBER, R., Romero, E., Lloret, A., Suriol, J. Studying collapse behaviour of sandy silt under generalised stress conditions. A: International Symposium on Deformation Characteristics of Geomaterials. "Deformation Characteristics of Geomaterials". Buenos Aires: IOS Press, 2016, p. 462-469.
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