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Volume 39 Issue 10
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HAN Hua-qiang, CHEN Sheng-shui, FU Hua, ZHENG Cheng-feng. Particle breakage of rockfill materials under cyclic loadings[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(10): 1753-1760. DOI: 10.11779/CJGE201710001
Citation: HAN Hua-qiang, CHEN Sheng-shui, FU Hua, ZHENG Cheng-feng. Particle breakage of rockfill materials under cyclic loadings[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(10): 1753-1760. DOI: 10.11779/CJGE201710001
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Particle breakage of rockfill materials under cyclic loadings

  • 1. Nanjing Hydraulic Research Institute, Nanjing 210024, China;
    2. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing 210024, China

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  • Received Date: January 05, 2017
  • Published Date: October 24, 2017
    Graphical Abstract
    • Abstract
  • Through lab dynamic tri-axial tests on rockfill materials, the characteristics of particle breakage and its influence factors under cyclic loadings are studied. Considering the variable quantity of different ranges of particle size after grain crushing, the particle breakage form of rockfill is differentiated as angular crushing and skeleton crushing in view of the roles that the rockfill particles play in the mixture for the first time. Incorporation with the fractal theory, the broken rate of rockfill is defined as the variable of the fractal dimension of aggregate gradation, which can be obtained by the fractal dimension of aggregate gradation before and after particle breakage. Furthermore, the relationship among the broken rate, the shear strain and the dynamic volume change of rockfill materials is established.
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    • References (19)
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