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[PDF] Top 20 Evolution of particle size distributions in crushable granular materials

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Evolution of particle size distributions in crushable granular materials

Evolution of particle size distributions in crushable granular materials

... means of the contact dynamics method together with a particle fracture model, in which the particles are cohesive aggregates of irreducible polygonal fragments, we investigate the ... Voir le document complet

7

Rheology of granular materials composed of crushable particles

Rheology of granular materials composed of crushable particles

... The size of a pentagonal particle is defined by the diameter d of its circumscribed ...distribution of particle volume fractions in a range [d min , d max = 3d min ... Voir le document complet

11

Cohesive granular materials composed of nonconvex particles

Cohesive granular materials composed of nonconvex particles

... Cohesive granular materials are at the heart of a variety of engineering applications in particle processing, soil me- chanics, and powder ...strength of such ... Voir le document complet

19

Influence of grain size distribution on critical state of granular materials

Influence of grain size distribution on critical state of granular materials

... work of Roscoe and Schofield (1958), the critical state concept has been developed and largely regarded as a fundamental framework for the devel- opment of constitutive models for ...lots of studies ... Voir le document complet

5

Effect of size polydispersity versus particle shape in dense granular media

Effect of size polydispersity versus particle shape in dense granular media

... reduced particle size d r . In the analysis of the connectivity and coordination only the force-bearing contacts are ...f of floating particles is, however, an interesting fabric ... Voir le document complet

13

Effects of shape and size polydispersity on strength properties of granular materials

Effects of shape and size polydispersity on strength properties of granular materials

... Most granular materials in their natural state or processed industrially are characterized by a broad range of particle shapes and ...describe in a simple way various shapes and ... Voir le document complet

10

Stress transmission in cemented bidisperse granular materials

Stress transmission in cemented bidisperse granular materials

... stress distributions in a two-dimensional bidisperse cemented granular packing for a broad range of the values of particle-size ratio, the volumes of large and ... Voir le document complet

15

Experimental framework for evaluating the mechanical behavior of dry and wet crushable granular materials based on the particle breakage ratio

Experimental framework for evaluating the mechanical behavior of dry and wet crushable granular materials based on the particle breakage ratio

... that particle crushing increases the compressibility of granular ...particular crushable material and given test conditions, an empirical relation can be established between the breakage ratio ... Voir le document complet

13

Numerical study of crushable granular materials

Numerical study of crushable granular materials

... Keywords: Granular materials; grain breakage; elasto-plasticity; critical state; grain size ...INTRODUCTION Particle crushing occurred along both compression and shearing stress paths, ... Voir le document complet

8

Evolution of wet agglomerates inside inertial shear flow of dry granular materials

Evolution of wet agglomerates inside inertial shear flow of dry granular materials

... array of spherical particles of diameter d w = 2.23d min to them. In the second step, we removed the lateral walls along the x and y directions and replaced them by periodic boundary ...introduced ... Voir le document complet

11

Pressure dependence of the electrical transport in granular materials

Pressure dependence of the electrical transport in granular materials

... bead in order to have the possibility to roll the beads and to change the contacts between the ...clearance of 2/100 mm is provided in the channel, so that the beads can move freely along the chain ... Voir le document complet

21

Discrete numerical analysis of failure modes in granular materials

Discrete numerical analysis of failure modes in granular materials

... instead of a circle (Fig- ure 5a). 3.2.2 Discrete Element Model In the same way as with the phenomenological constitutive relations, stress probes have been performed with the DEM along drained triaxial ... Voir le document complet

25

Continuum Modeling of Secondary Rheology in Dense Granular Materials

Continuum Modeling of Secondary Rheology in Dense Granular Materials

... problem of secondary rheology, by using finite-element calculations in the commercial package A BAQUS /S TANDARD [26] ...analogue of the experiments of Reddy, Forterre, and Pouliquen [9] , ... Voir le document complet

6

Modeling soft granular materials

Modeling soft granular materials

... Soft-grain materials such as clays and other col- loidal pastes share the common feature of being composed of grains that can undergo large deformations without rup- ...simulation of such ... Voir le document complet

13

Numerical modeling of the tensile strength of a biological granular aggregate: Effect of the particle size distribution

Numerical modeling of the tensile strength of a biological granular aggregate: Effect of the particle size distribution

... box of the area A box =900∗(πrA 2 ) and length L = √ A box was filled with A-type discs using a Fast Poisson Disc Sampling (FPDS) method ...number of preliminary discs with random radii within the ... Voir le document complet

5

Effect of the particle size and the liquid content on the shear behaviour of wet granular material

Effect of the particle size and the liquid content on the shear behaviour of wet granular material

... analysis of the bulk properties of a granular material, in particular the voidage ...distribution of the voids in the granular bed, in particular for cohesive ... Voir le document complet

13

Agglomeration of wet granular materials in rotating drum

Agglomeration of wet granular materials in rotating drum

... AGGLOMERATION OF WET GRANULAR MATERIAL IN ROTATING DRUM THANH-TRUNG VO , SAEID NEZAMABADI , JEAN-YVES DELENNE , FARHANG RADJAI 1 1 2 1,3 Laboratoire de Mécanique et Génie Civil (LMGC), Université de ... Voir le document complet

2

Acoustics and frictional sliding in granular materials

Acoustics and frictional sliding in granular materials

... system size are roughly similar, but those describing the grain stiffness and the strain rate are very ...effect of these last two parameters will be carefully ex- amined in the ... Voir le document complet

15

Evolution of particle structure during water sorption observed on different size fractions of durum wheat semolina

Evolution of particle structure during water sorption observed on different size fractions of durum wheat semolina

... clearest in finest particles. At 800×, the morphology of surfaces at 75% RH is not really affected in comparison with initial ...structure of protein changed into a softer matter, and then ... Voir le document complet

9

Determination of Particle Size, Surface Area, and Shape of Supplementary Cementitious Materials by Using Different Techniques

Determination of Particle Size, Surface Area, and Shape of Supplementary Cementitious Materials by Using Different Techniques

... The particle size distribution, surface area and shape are fundamental characteristics of supple- mentary cementitious materials ...measurement of these properties is required in ... Voir le document complet

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