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Volume 37 Issue 10
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CHI Shi-chun, WANG Feng, JIA Yu-feng, LI Shi-jie. Modeling particle breakage of rockfill materials based on single particle strength[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(10): 1780-1785. DOI: 10.11779/CJGE201510005
Citation: CHI Shi-chun, WANG Feng, JIA Yu-feng, LI Shi-jie. Modeling particle breakage of rockfill materials based on single particle strength[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(10): 1780-1785. DOI: 10.11779/CJGE201510005
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Modeling particle breakage of rockfill materials based on single particle strength

  • State Key Lab of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China

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  • Received Date: January 18, 2015
  • Published Date: October 19, 2015
    Graphical Abstract
    • Abstract
  • The existing researches indicate that the mechanical properties of rockfill materials are significantly affected by the particle crushing. In order to reproduce the fundamental features of particle breakage, the changes of the particle size distribution (PSD) have to be described in mathematical form, i.e., to track the evolution of the PSD. This is difficult for the triaxial test processes due to the measurability limit of particle breakage. The single particle strength of the rockfill is measured and the crushing sample is sieved. The results show that the strengths of particles obey the Weibull statistics, and that the fractal distribution is found for PSD of crushed aggregates. Based on those findings, the changes of PSD can be described during the triaxial test process, the breakage of the triaxial tests is simulated, and the results reveal that the breakage process well agrees with the experimental data.
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    • References (19)
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