the fractal crushing of granular materials

  • The fractal crushing of granular materials ScienceDirect

    Crushing of granular materials 2095 suggests that if each of the particles is now to have the same probability of splitting, then (dV(uja,r \d^ (4-2)- (dl2\2 Or/ao)"- ^oJ (3-2)- (49) i.e. a = 1. If a 2, then clearly the larger particles have a greater probability of splitting, and this will tend to scavenge the larger particles out of the aggregate. For a 2, the smaller particles are more

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  • The fractal crushing of granular materials, Journal of the

    Read "The fractal crushing of granular materials, Journal of the Mechanics and Physics of Solids" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • Published in: Journal of The Mechanics and Physics of Solids · 1996Authors: G R Mcdowell · M D Bolton · D RobertsonAbout: Soil mechanics · Numerical analysis · Fractal · Plasticity · Particle size · Particle-size
  • Fractal crushing of granular materials under confined

    Fractal crushing of granular materials under confined compression at different strain rates Author links open overlay panel Huang J.Y. a b Hu S.S. b Xu S.L. b Luo S.N. a c Show more

  • Cited by: 12
  • On the packing and crushing of granular materials

    1. Introduction. The packing characteristics of granular materials have been studied for over a century. It is generally accepted that the comparative density of any granular material is a function of particle shape, size range and size distribution (Burmister, 1938), however predictions for the density or porosity for a granular assembly are usually empirical, and are only semi-analytical at

  • Author: John P de Bono, Glenn R McDowell
  • (PDF) Fractal crushing of granular materials under

    Fractal crushing of granular materials under confined compression at different strain rates Article (PDF Available) in International Journal of Impact Engineering 106 · April 2017 with 375 Reads

  • Shear strength of granular materials based on fractal

    15/06/2018· The strength behavior of granular materials depends on the integrity of the particles or the amount of particle crushing that occurs due to changes in stress [,,, ]. Particle crushing is an important factor affecting the shear strength of granular materials under both low and high confining stresses [,,].

  • Cited by: 9
  • The fractal crushing of granular materials

    Title: The fractal crushing of granular materials: Authors: McDowell, G.; Bolton, M.; Robertson, D. Publication: Journal of the Mechanics and Physics of Solids, vol

  • Published in: Journal of The Mechanics and Physics of Solids · 1996Authors: G R Mcdowell · M D Bolton · D RobertsonAbout: Soil mechanics · Numerical analysis · Fractal · Plasticity · Particle size · Particle-size
  • (PDF) Fractal Fragmentation of Granular Materials under

    Fractal Fragmentation of Granular Materials under Compression . Article (PDF Available) · June 2009 with 119 Reads How we measure 'reads' A 'read' is counted each time someone views a publication

  • crushing of granular materials laerchenrain

    granular materials to develop a fractal size distribution. In the present study, a test designed to crush granular materials and its simulation using the Discrete Element Method (DEM) are developed to understand the mechanisms involved with the development of a fractal fragmentation by granular materials. Get Price; ANALYSIS OF GRANULAR

  • fractol crushing solids ppt lepalindrome

    Fractol Crushing Solids Ppt greenrevolution. Fractals in Architecture Ppt Presentation. It explains how ALL of architecture can be represented as fractals. I've been working in this area since 1989 and have developed a unique BIM software to explore this.figure-ground confusion while designing, the architect oscillates betweens solids

  • Force chains and the fragmentation of granular materials

    granular materials to develop a fractal size distribution. In the present study, a test designed to crush granular materials and its simulation using the Discrete Element Method (DEM) are developed to understand the mechanisms involved with the development of a fractal fragmentation by granular materials.

  • Breakage of an artificial crushable material under loading

    The mechanical behaviour of granular materials depends on their grading. Crushing of particles under compression or shear modifies the grain size distribution, with a tendency for the percentage of fine material to increase. It follows that the frictional properties of the material and the critical states are modified as a consequence of the

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    EVALUATION OF CRUSHING IN GRANULAR MATERIALS USING THE DISCRETE ELEMENTMETHOD AND FRACTAL THEORY . By Sebastian Lobo-Guerrero. Download PDF (18 MB) Abstract. Granular materials forming part of embankments, foundations, pavement structures, and rail trackstructures are subjected to both static and dynamic loads. As a result of these loads particle

  • Fractal and laboratory analyses of the crushing and

    Request PDF Fractal and laboratory analyses of the crushing and abrasion of granular materials Gravels forming part of the base of flexible pavements experience abrasion and crushing as a

  • A Network of Fractal Force Chains and Their SpringerLink

    The size distribution of the broken granular material has been found to be fractal in nature. However, there is no explanation to date about the mechanisms that cause the granular materials to develop a fractal size distribution. In the present study, a compression test designed to crush granular materials is presented. The tests used 5 mm

  • Fractal and laboratory analyses of the crushing and

    Fractal and laboratory analyses of the crushing and abrasion of granular materials crushing;abrasion;granular materials;laboratory analysis;fractals; Gravels forming part of the base of flexible pavements experience abrasion and crushing as a result of static and dynamic loads. Abrasion takes place when the sharp corners of the particles of

  • Published in: Geomechanics and Engineering · 2009Authors: Luis E Vallejo · Zamri ChikAbout: Granular material · Fractal · Abrasion
  • Influence of the Fractal Dimension on the Mechanical

    Mechanical tests were performed. The fractal dimension was calculated for different grains constituting the samples before and after each test while studying its evolution after crushing. The results confirm that the fractal dimension affects the measurement of mechanical properties of the granular materials.

  • DEM simulation on the one-dimensional compression behavior

    In order to investigate the effects of particle shape on the compression behavior of granular materials, a series of simulations was conducted using a two-dimensional discrete element method employing moment springs. Fracturable granular assemblies were constructed from particles of the same shape and size. The range of possible particle shapes

  • Compression of granular materials Canadian Geotechnical

    Compression of granular materials. Gholamreza Mesri, a Barames Vardhanabhuti b. a Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, 205 North Mathews Avenue, Urbana, IL 61801, USA. b Department of Civil Engineering, Kasetsart University, 50 Phahonyotin St., Ladyao Jatujak, Bangkok 10900, Thailand.

  • A simple particle-size distribution model for granular

    A simple particle-size distribution model for granular materials. Chen-Xi Tong, a b Glen J. Burton, a Sheng Zhang,* b Daichao Sheng* a b. a ARC Centre of Excellence for Geotechnical Science and Engineering, The University of Newcastle, Callaghan, NSW 2308, Australia.

  • Grain crushing and high-pressure oedometer tests simulated

    The present paper investigates the influence of microstructural inhomogeneities of brittle grains on grain crushing in cohesionless, frictional granular materials, using the discrete element method. Macrograins are modelled as assemblies of bonded micrograins of different sizes and bond strengths to simulate crushed sandstone. A method is suggested to incorporate fracture mechanical properties

  • Fractal Pattern of Particle Crushing of Granular

    This paper focuses on the effect of particle crushing on the behavior of granular geomaterials. Series of high-pressure one-dimensional compression tests were carried out on a quartz sand-gravel. A detail investigation was performed primarily on the compression behavior, the evolution of particle-size distribution (PSD), the fractal pattern of the grading curve, and the amount of particle

  • ANALYSIS OF GRANULAR MATERIALS IN PENNSYLVANIA HIGHWAYS

    Very few field studies exist on the crushing of granular materials under asphalt pavements. This investigation will analyze the crushing of granular bases forming part of actual flexible pavements.For this research, granular materials from actual roadways were analyzed using sieve analysis, point load testing and fractal analysis. In addition

  • EVALUATION OF CRUSHING IN GRANULAR MATERIALS USING

    EVALUATION OF CRUSHING IN GRANULAR MATERIALS USING THE DISCRETE ELEMENTMETHOD AND FRACTAL THEORY . By Sebastian Lobo-Guerrero. Download PDF (18 MB) Abstract. Granular materials forming part of embankments, foundations, pavement structures, and rail trackstructures are subjected to both static and dynamic loads. As a result of these loads particle

  • Evaluation Of Crushing In Granular

    The Fractal Crushing Of Granular Materials Sciencedirect. Keywords Billam 1971 found that for the grain degradation of granular materials the larger grains often suffered little crushing even at very high pressures Palmer and Sanderson 1991 also noted that in the case of icestructure interaction ice appears to be pulverised in the crushed zone

  • (PDF) Fractal Pattern of Particle Crushing of Granular

    PDF This paper focuses on the effect of particle crushing on the behavior of granular geomaterials. Series of high-pressure one-dimensional compression tests were carried out on a quartz sand

  • The fractal micro mechanics of normal compression

    The fundamental fractal micro mechanics of normal compression of granular materials is studied using DEM. This paper examines the emergence of a finite fractal bounded by two particle sizes as

  • Fractal crushing of carbonate and quartz sands along the

    Particle breakage is a significant phenomenon in civil, transportation and mining engineering. In this study, the evolution of the particle size distribution (PSD) and that of particle breakage of an overall sample and along the specimen height were systematically investigated via a series of impact loading tests for two sands: a carbonate sand (CS) and a quartz sand, i.e., Fujian sand (FS).

  • Paper: A hybrid methodology for secondary fragmentation

    In this paper we review the current knowledge on caved rock fragmentation, present new results analysing the micromechanics of shear-induced attrition of granular materials, and demonstrate via back-analysis, the applicability of the hybrid methodology for predicting drawpoint fragment size-distributions in existing caving operations. References:

  • Particle breakage in granular materials — a conceptual

    The three parameters are related to a grain specific quantity representing the strength of the particles that form the granular medium. The theory of fractal fragmentation is adopted, and the final state is considered to be unique and described by a single parameter: the fractal dimension. When tested against experimental results, this model

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