Journal ArticleDOI
An anisotropic hardening model for soils and its application to cyclic loading
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In this paper, an anisotropic hardening model for soils is proposed by applying the concept of a field of hardening moduli developed previously for metals, which can be applied in studying soil behaviour under cyclic loading and in particular to describe densification or liquefaction phenomena.Abstract:
An anisotropic hardening model for soils is proposed by applying the concept of a field of hardening moduli developed previously for metals. Besides the yield surface, a set of nesting surfaces in the stress-space specifies the variation of hardening moduli during the deformation process. Both drained and undrained soil behaviour can be treated and distortional as well as volumetric strain cycles can be considered. The model can be applied in studying soil behaviour under cyclic loading and in particular to describe densification or liquefaction phenomena.read more
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Book ChapterDOI
Non-Associated Plasticity for Soils, Concrete and Rock
Pieter A. Vermeer,R. De Borst +1 more
TL;DR: In this article, the authors consider three types of models of increasing complexity: the first model is a perfectly-plastic model, which employs Young's modulus and Poisson's ratio for describing the elastic properties; and a cohesion and a friction angle for the determination of the strength.
Journal ArticleDOI
Generalized plasticity and the modelling of soil behaviour
TL;DR: In this paper, the authors outline the theory of generalized plasticity in which yield and plastic potential surfaces need not be explicitly defined, and show how a very effective general model describing the behaviour of sands and of clays under monotonic or transient loading can be developed.
Journal ArticleDOI
Advances in strength theories for materials under complex stress state in the 20th Century
TL;DR: A survey of the advances in strength theory (yield criteria, failure criterion, etc) of materials (including matellic materials, rock, soil, concrete, ice, iron, polymers, energetic material etc) under complex stress was presented in this paper.
Journal ArticleDOI
State of the art. ii: permanent strain response of unbound aggregates
TL;DR: The permanent strain behavior of unbound aggregates under repeated loading has been studied by many researchers over the years as mentioned in this paper and a summarized review of the research into this area is given based on the literature available to date.
Journal ArticleDOI
Formulation of MIT‐E3 Constitutive Model for Overconsolidated Clays
TL;DR: In this paper, a generalized effective stress model for describing the rate-independent behavior of normally to moderately overconsolidated clays (with OCRs less than 8) that exhibit noramlized behavior is presented.
References
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Journal ArticleDOI
On the description of anisotropic workhardening
TL;DR: In this paper, a model of workhardening is proposed which generalizes the known rules of isotropic and kinematic work-hardening by introducing the concept of a "Field of Workhardening moduli".
Journal ArticleDOI
Associated and non-associated visco-plasticity and plasticity in soil mechanics
TL;DR: The visco-plastic model is established as a realistic general description of soil behaviour as well as a computationally convenient fiction for solving any properly formulated plasticity problem as discussed by the authors.
Journal ArticleDOI
A model of nonlinearly hardening materials for complex loading
Yannis F. Dafalias,Egor P. Popov +1 more
TL;DR: In this article, the authors introduced the concept of a bounding surface in the stress space which always encloses the loading surface, and a parameter defined by the relative position of the loading and the bounding surfaces, and the plastic work done during the most recent loading, determine the value of the plastic modulus.