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A nonlinear particle packing model for multi-sized granular soils

Abstract : Most of the existing particle packing models were linear or only applicable for binary-size/ternary-size mixtures. In this study, based on the concept of dominant size class, a nonlinear packing model was developed allowing prediction of the void ratio of granular soils with arbitrary particle size distributions. Only two parameters (filling coefficient and embedment coefficient) were incorporated in the proposed model. Calibrations showed that both parameters were related to the particle size ratios between the dominant and non-dominant size classes. The model was verified using the experimental results on the crushed pellets of GMZ bentonite and several other granular materials from literature. Good agreement was obtained between the predictions and measurements, showing the performance of the proposed model.
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Submitted on : Thursday, March 5, 2020 - 10:56:19 AM
Last modification on : Saturday, January 15, 2022 - 3:52:58 AM




Zhang-Rong Liu, Wei-Min Ye, Zhao Zhang, Qiong Wang, Yong-Gui Chen, et al.. A nonlinear particle packing model for multi-sized granular soils. Construction and Building Materials, Elsevier, 2019, 221, pp.274-282. ⟨10.1016/j.conbuildmat.2019.06.075⟩. ⟨hal-02499340⟩



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