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Observations of the effects of particle shape and particle size distribution on avalanching of granular media

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  • Robinson, D.A
  • Friedman, S.P

Abstract

Measurements are presented for the angle of repose (αr) and the maximum angle of stability (αm) of a slope of poured granular material. Results using monosized grains with three materials of differing shape are presented. This is followed by results with binary mixtures. The results demonstrate a strong relationship between the slope angles and particle shape and that particle size distribution affects the slope angle and avalanching mode, especially as the grains become less spherical.

Suggested Citation

  • Robinson, D.A & Friedman, S.P, 2002. "Observations of the effects of particle shape and particle size distribution on avalanching of granular media," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 311(1), pages 97-110.
    • Handle: RePEc:eee:phsmap:v:311:y:2002:i:1:p:97-110
    DOI: 10.1016/S0378-4371(02)00815-4
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    Cited by:

    1. Arias García, Pablo A. & Uñac, Rodolfo O. & Vidales, Ana M. & Lizcano, Arcesio, 2011. "Critical parameters for measuring angles of stability in natural granular materials," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 390(23), pages 4095-4104.
    2. Médici, M.E. & Benegas, O.A. & Uñac, R.O. & Vidales, A.M., 2012. "The effect of blending granular aggregates of different origin on the strength of concrete," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 391(5), pages 1934-1941.

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