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DEM simulation of sandy pebble soil based on polyhedral particles

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Abstract

Discrete element method (DEM) was used to evaluate the geometric characteristics of sandy pebble soil. The accuracy of the grain size distribution in the sandy pebble soil was ensured using the cutting ratio (ζ) and a gradation correction formula, which revised the normal vector of the polyhedron particle cutting surface for a single unit and the space volume of polyhedral particles. The modelling method was verified by conducting direct shear experiment on sandy pebble soil. The feasibility of polyhedral particles of sandy pebble soil for discrete element simulation was verified in comparison with that of the spherical particle model.

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Readers can access the data by email dyj820@swust.edu.cn.

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Funding

The work is supported by the Natural Science Foundations of China (12002293) and the Sichuan Science and Technology Program (2020YJ0423, 2018JY0496).

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Authors and Affiliations

  1. CAS Key Laboratory of Mechanical Behavior and Design of Materials (LMBD), Department of Modern Mechanics, University of Science and Technology of China, Hefei, 230026, Anhui, China

    DaiGuo Chen, Honghao Ma & Zhaowu Shen

  2. Shock and Vibration of Engineering Materials and Structures Key Laboratory of Sichuan Province, Mianyang, 621010, Sichuan, China

    DaiGuo Chen, YongJun Deng & Yong Yao

  3. School of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China

    DaiGuo Chen, YongJun Deng, Yong Yao, Gang Xu & Dongxu Wu

Authors
  1. DaiGuo Chen
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  2. Honghao Ma
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  3. Zhaowu Shen
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  4. YongJun Deng
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  5. Yong Yao
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  6. Gang Xu
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  7. Dongxu Wu
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Corresponding authors

Correspondence to DaiGuo Chen or YongJun Deng.

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The authors declare no competing interests.

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Responsible Editor: Murat Karakus

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Chen, D., Ma, H., Shen, Z. et al. DEM simulation of sandy pebble soil based on polyhedral particles. Arab J Geosci 15, 1611 (2022). https://doi.org/10.1007/s12517-022-10856-2

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  • DOI: https://doi.org/10.1007/s12517-022-10856-2

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