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Home > Urban and Rural Studies > 2022 No.01 > PFC2D模拟土体材料的细观参数标定及特征研究

  • PFC2D模拟土体材料的细观参数标定及特征研究

    Author(s)：

    高文宪

    Publication Title：

    Urban and Rural Studies 2022 No.01

    Affiliations：

    中铁三局集团第四工程有限公司

    Abstract：

    采用PFC2D模拟双轴压缩试验的方法，系统研究无黏结模型的宏细观特性影响，分析法向刚度、细观摩擦系数对土体宏观参数的影响规律。结果表明：应力应变曲线的峰值强度随着颗粒法向刚度不断增大而增大；应力应变曲线形态的趋势受细观摩擦系数的影响较大，摩擦系数与宏观内摩擦角的关系成正比关系，摩擦系数与内摩擦角的正切值相近。

    Keywords：

    PFC2D；土体材料；参数标定；宏细观特性

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    [1] 高文宪.PFC2D模拟土体材料的细观参数标定及特征研究[J].Urban and Rural Studies,2022(01),.

城镇建设
Urban and Rural Studies

Language: 中文

CN：10-1589/TU

ISSN：2096-6539

Publication Frequency: 半月刊

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