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Rock and Soil Mechanics. 2020, (09) Core Bilingual

Single-particle crushing test and numerical simulation of coarse grained soil based on size effectChinese Full Text

MENG Min-qiang;WANG Lei;JIANG Xiang;WANG Cheng-gui;LIU Han-long;XIAO Yang;School of Civil Engineering,Chongqing University;Key Laboratory of New Technology for Construction of Cities in Mountain Area,Chongqing University;National Joint Engineering Research Center of Geohazards Prevention in the Reservoir Areas (Chongqing);State Key Laboratory for Geomechanics ＆ Deep Underground Engineering,China University of Mining ＆ Technology;

Abstract: The coarse-grained soil is prone to particle breakage under external loads and other factors. A series of single-particle fragmentation tests is conducted for mudstone and sandstone particles. Based on the size effect and fractal model of particle fragmentation, the relationships between the fractal dimension and single-particle crushing strength, fragmentation energy, and Weibull modulus are investigated. A single particle crushing process is analyzed using PFC3D and the modelling re... More
Keywords：

size effect; fractal dimension; single-particle crushing strength; crushing energy; Weibull distribution; numerical simulation;

  • DOI：

    10.16285/j.rsm.2019.2000

  • Series：

    (C) Architecture/ Energy/ Traffic/ Electromechanics, etc

  • Subject：

    Architecture and Engineering

  • Classification Code：

    TU41

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