Journal of engineering mechanics, Vol. 130 N°6. Journal of Engineering Mechanics - Juin 2004
| Titre : | Journal of engineering mechanics, Vol. 130 N°6. Journal of Engineering Mechanics - Juin 2004 |
| Type de document : | Bulletin |
| Paru le : | 20/11/2006 |
Dépouillements
Article : texte imprimé
Dafalias, Yannis F., Auteur ;
Manzari, Madjid T., Auteur ;
Anandarajah, A. Rajah, Éditeur scientifique
|
A simple stress-ratio controlled, critical state compatible, sand plasticity model is presented, first in the triaxial and then in generalized stress space. The model builds upon previous work of the writers, albeit the presentation here is made[...]
Article : texte imprimé
Wan, Richard G., Auteur ;
Anandarajah, A. Rajah, Éditeur scientifique ;
Guo, Pei J., Auteur
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A stress dilatancy model with embedded microstructural information, originally developed by the writers, is used to illustrate the pivotal importance of dilatancy and fabric on the behavior of sand. Fabric, as a second-order tensor, enters into [...]
Article : texte imprimé
Likos, William J., Auteur ;
Ning Lu, Auteur ;
Manzari, Madjid T., Éditeur scientifique
|
Constitutive relationships among water content, matric suction, and capillary stress in unsaturated granular soils are modeled using a theoretical approach based on the changing geometry of interparticle pore water menisci. A series of equations[...]
Article : texte imprimé
Wood, David Muir, Auteur ;
Anandarajah, A. Rajah, Éditeur scientifique
|
Traditional techniques for identifying yielding of soils in the context of classical elastic–plastic soil models are criticized. However, the extended use of such procedures starts to reveal the kinematic nature of the plastic behavior of soils.[...]
Article : texte imprimé
Anandarajah, A. Rajah, Auteur ;
Manzari, Madjid T., Éditeur scientifique
|
By analyzing a microelement based on four spheres, equations governing the equilibrium of the microelement are developed. By examining these equations more closely, two primary mechanisms of failure of the microelements, one based on particle sl[...]
Article : texte imprimé
S. Pietruszczak, Auteur ;
Victor N. Kaliakin, Éditeur scientifique ;
Shao, J. F. ;
Lydzba, D., Auteur
|
This Paper presents a mathematical framework for modeling the creep phenomenon in frictional materials exhibiting a strong inherent anisotropy. The instantaneous time independent response is described by invoking a plasticity framework which inc[...]
Article : texte imprimé
Bažant, Zdeněk P., Auteur ;
Gianluca Cusatis, Auteur ;
Cedolin, Luigi ;
Anandarajah, A. Rajah, Éditeur scientifique
|
The previously developed microprestress-solidification theory for concrete creep and shrinkage is generalized for the effect of temperature (not exceeding 100°C). The solidification model separates the viscoelasticity of the solid constituent, t[...]
Article : texte imprimé
Bodin, Didier, Auteur ;
Pijaudier-Cabot, Gilles, Auteur ;
de la Roche, Chantal ;
Piau, Jean-Michel ;
Chabot, Armelle ;
Manzari, Madjid T., Éditeur scientifique
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A nonlocal damage model is proposed to predict the behavior of pavement fatigue cracking. This constitutive relation has been implemented in a finite-element code, along with a self-adaptive jump-in-cycle procedure for high cycle fatigue computa[...]
Article : texte imprimé
Hentz, Sébastien, Auteur ;
Daudeville, Laurent, Auteur ;
Donze, Frédéric V. ;
Anandarajah, A. Rajah, Éditeur scientifique
|
The Use of a three-dimensional discrete element method (DEM) is proposed to study concrete structures submitted to dynamic loading. The aim of this paper is to validate the model first in the quasistatic domain, and second in dynamic compression[...]
Article : texte imprimé
Patzák, Bořek, Auteur ;
Milan Jirásek, Auteur ;
Anandarajah, A. Rajah, Éditeur scientifique
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This Paper presents an adaptive mesh refinement technique suitable for the resolution of highly localized damage in concrete and other quasi-brittle materials. The objectivity of the description of softening is ensured by using regularized mater[...]
Article : texte imprimé
Shao, J. F., Auteur ;
Anandarajah, A. Rajah, Éditeur scientifique ;
Lydzba, D. ;
Lu, Y. F., Auteur
|
A new anisotropic damage model is proposed to describe the mechanical and poromechanical behavior of brittle rocks in drained and undrained conditions. Although phenomenological, the model is based on physical grounds of micromechanical analysis[...]
Article : texte imprimé
Jeremic, Boris, Auteur ;
Manzari, Madjid T., Éditeur scientifique ;
Sture, Stein ;
Yang, Zhaohui, Auteur
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In this paper, we investigate the behavior of elastic–plastic specimens during testing in a triaxial apparatus. In particular, an investigation of the influence of a number of imperfections on the observed behavior of a specimen is performed. To[...]
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