Journal ArticleDOI
Controllability of the incremental response of soil specimens subjected to arbitrary loading programmes
TLDR
In this article, the authors show that the possibility of controlling the incremental response of a soil specimen subjected to an arbitrary loading program is lost at a stress level which is below the value for which failure occurs in ordinary tests.Abstract:
The paper shows that the possibility of controlling the incremental response of a soil specimen subjected to an arbitrary loading programme is lost at a stress level which is below the value for which failure occurs in ordinary tests. The relation between this level and other critical values (bifurcation into a shear band, peak of the stress deviator in an undrained test, stability under dead load) is discussed.read more
Citations
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Prediction of flow liquefaction instability of clean and silty sands
TL;DR: In this article, a unified constitutive model for clean and silty sands is presented, where the concept of equivalent void ratio is used in the model formulation instead of the global void ratio.
Journal ArticleDOI
From microscopic to macroscopic second-order work in granular assemblies
TL;DR: In this article, the authors examined the relation between macroscopic and microscopic second-order works using a micro-mechanically based model and confirmed these theoretical results from numerical simulations based on a discrete element method.
Journal ArticleDOI
Uniqueness studies in boundary value problems involving some second gradient models
TL;DR: In this paper, the uniqueness of solution of numerical discretization of boundary value problems involving second gradient models is considered, and the numerical results show that in some cases uniqueness is lost for second gradient model as well.
Journal ArticleDOI
From solids to fluidized soils: diffuse failure mechanisms in geostructures with applications to fast catastrophic landslides
Manuel Pastor,Diego Manzanal,J. A. Fernández Merodo,P. Mira,T. Blanc,V. Drempetic,M. Pastor,B. Haddad,M. Sánchez +8 more
TL;DR: In this article, the authors present mathematical, constitutive and rheological models which describe the most relevant phenomena, together with discretization techniques for fast catastrophic landslides with large velocities caused by high pore pressures in their lower part.
References
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Journal ArticleDOI
Conditions for the localization of deformation in pressure-sensitive dilatant materials
John W. Rudnicki,James R. Rice +1 more
TL;DR: In this paper, the authors investigated the hypothesis that localization of deformation into a shear band may be considered a result of an instability in the constitutive description of homogeneous deformation.
Journal Article
Closure of "Static Instability and Liquefaction of Loose Fine Sandy Slopes"
TL;DR: In this paper, a series of conventional triaxial tests on fully saturated and on partly saturated specimens were performed under drained and undrained conditions to study the regions of stable and unstable behavior.
Journal ArticleDOI
Nonassociated Flow and Stability of Granular Materials
TL;DR: In this paper, a series of triaxial tests designed to expose the type of behavior displayed by granular materials are presented and discussed, and reliability of the test results, the possible influence of viscous effects on the stability, and the effect of release of elastic energy are studied and discussed in detail.
Journal ArticleDOI
Instability of granular materials with nonassociated flow
TL;DR: In this paper, a series of triaxial tests designed to expose the type of behavior displayed by granular materials are presented and discussed and stability conditions for materials with nonassociated flow are presented.
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Conditions for the localization of deformation in pressure-sensitive dilatant materials
John W. Rudnicki,James R. Rice +1 more