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Volume 38 Issue z2
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HAN Hong-xing, CHEN-Wei, QIU Zi-feng, FU Xu-dong. Numerical simulation of two-dimensional particle flow in broken rockfill materials[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(z2): 234-239. DOI: 10.11779/CJGE2016S2038
Citation: HAN Hong-xing, CHEN-Wei, QIU Zi-feng, FU Xu-dong. Numerical simulation of two-dimensional particle flow in broken rockfill materials[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(z2): 234-239. DOI: 10.11779/CJGE2016S2038
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Numerical simulation of two-dimensional particle flow in broken rockfill materials

  • School of Civil and Architectural Engineering, Wuhan University, Wuhan 430072, China

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  • Received Date: May 18, 2016
  • Published Date: October 19, 2016
    Graphical Abstract
    • Abstract
  • Rockfill materials are easily broken under external force. Based on the single particle crushing mechanism, the indestructible defect is simulated in particle of rockfill materials depending on the generated particles cluster units to overcome rigid circular particle. A broken numerical model for particle of rockfill materials is established by adopting the linear contact model. Indoor plane strain tests are simulated. The internal contact force, micro crack and a variety of energy changes in rockfill materials are analyzed under the loading process. The breakage mechanism for particle of rockfill materials is investigated. The results show that the numerical sample generated by particle clusters can more truly reflect the breakage of particle of rockfill materials through the internal bond strength fracture. The breakage of particle of rockfill materials occurs first in the large particle size and contact force larger particles, then gradually to direction of the maximum pressure, finally shear fracture sliding plane is generated. The number of shear micro crack is greater than that of tensile micro crack throughout the whole loading process, the particle breakage mainly is shear failure, and a lot of particle breakage is produced near the peak point. The total input energy stores in particle cluster in the form of elastic strain energy under small deformation. The elastic strain energy can be converted to other forms of energy dissipation in the form of storage release under large deformation. The research results can provide reference for the study on the deformation of rockfill dams.
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    • References (14)
  • [1]
    LADE P V, YAMAMURO J A, BOPP P A. Significance of particle crushing in granular materials[J]. Journal of Geotechnical Engineering, 1996, 122(4): 309-316.
    [2]
    刘 尧, 卢延浩. 粗粒土大型单剪颗粒破碎试验研究[J]. 河海大学学报(自然科学版), 2009, 37(2): 175-178. (LIU Yao, LU Yan-hao. Large-scale simple shear tests of particle breakage of coarse-grained soil[J]. Journal of Ho-hai University (Natural Sciences), 2009, 37(2): 175-178. (in Chinese))
    [3]
    HARDIN B O. Crushing of soil particle[J]. Journal of Geotechnical Engineering, 1985, 111(10): 1177-1192.
    [4]
    孔宪京, 刘京茂, 邹德高, 等. 紫坪铺面板坝堆石料颗粒破碎试验研究[J]. 岩土力学, 2014, 35(1): 35-40. (KONG Xian-jing, LIU Jing-mao, ZOU De-gao, et al. Experimental study of particle breakage of Zipingpu rockfill material[J]. Rock and Soil Mechanics, 2014, 35(1): 35-40. (in Chinese))
    [5]
    陈生水, 韩华强, 傅 华. 循环荷载下堆石料应力变形特性研究[J]. 岩土工程学报, 2010, 32(8): 1151-1157. (CHEN Sheng-shui, HAN Hua-qiang, FU Hua. Stress and deformation behaviors of rockfill under cyclic loadings[J]. Chinese Journal of Geotechnical Engineering, 2010, 32(8): 1151-1157. (in Chinese))
    [6]
    CHENG Y P, BOLTON M D and NAKATA Y. Crushing and plastic deformation of soils simulated using DEM[J]. GEOTECHNIQUE, 2004, 54(2): 131-141.
    [7]
    邵 磊, 迟世春, 张 勇, 等. 基于颗粒流的堆石料三轴剪切试验研究[J]. 岩土力学, 2013, 34(3): 711-720.(SHAO Lei, CHI Shi-chun, ZHANG Yong, et al. Study of triaxial shear tests for rockfill based on particle flow code[J]. Rock and Soil Mechanics, 2013, 34(3): 711-720. (in Chinese))
    [8]
    马 刚, 周 伟, 常晓林, 等. 堆石体三轴剪切试验的三维细观数值模拟[J]. 岩土工程学报, 2011, 33(5): 746-753. (MA Gang, ZHOU Wei, CHANG Xiao-lin, et al. 3D mesoscopic numerical simulation of triaxial shear tests for rockfill[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(5): 746-753. (in Chinese))
    [9]
    杨 贵, 许建宝, 刘昆林. 粗粒料颗粒破碎数值模拟研究[J]. 岩土力学. 2015, 36(11): 3301-3306. (YANG Gui, XU Jian-bao, LIU Kun-lin. Numerical simulation of particle breakage of coarse aggregates[J]. Rock and Soil Mechanics, 2015, 36(11): 3301-3306. (in Chinese))
    [10]
    OLIVIER T D V, JEAN-CLAUDE C. Numerical model of crushing of grains inside two-dimensional granular materials[J]. Powder Technology, 1999(105): 190-198.
    [11]
    BEN-NUM O, EINAV I. The role of self-organization during confined comminution of granular materials[J]. Philosophical Transactions of the Royal Society A, 2010, 36(8): 231-247.
    [12]
    ZHOU Wei, YANG Li-fu, MA Gang, et al. Macro-micro responses of crushable granular materials in simulated true triaxialtests[J]. Granular Matter. 2015, 17(4): 497-509.
    [13]
    MARSAL R J. Mechanical properties of rockfill[M]. New York: Wiley, 1973: 109-200.
    [14]
    宿 辉, 党承华, 李彦军, 等. 考虑不均质度的岩石声发射数值模拟研究[J]. 岩土力学, 2011, 32(6): 1886-1890. (SU Hui, DANG Cheng-hua, LI Yan-jun, et al. Study of numerical simulation of acoustic emission in rock of inhomogeneity[J]. Rock and Soil Mechanics, 2011, 32(6): 1886-1157. (in Chinese))
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