Discrete Element Method Analysis on Shear Responses of Mixed Soil During Anisotropic Consolidation

ZHU Yangui

doi:10.3724/j.gyjzG22062701

Volume 54 Issue 3

Mar. 2024

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Abstract

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2024 > 54(3): 167-173

ZHU Yangui. Discrete Element Method Analysis on Shear Responses of Mixed Soil During Anisotropic Consolidation[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(3): 167-173. doi: 10.3724/j.gyjzG22062701

Citation:

ZHU Yangui. Discrete Element Method Analysis on Shear Responses of Mixed Soil During Anisotropic Consolidation[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(3): 167-173. doi: 10.3724/j.gyjzG22062701

ZHU Yangui. Discrete Element Method Analysis on Shear Responses of Mixed Soil During Anisotropic Consolidation[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(3): 167-173. doi: 10.3724/j.gyjzG22062701

Citation:

ZHU Yangui. Discrete Element Method Analysis on Shear Responses of Mixed Soil During Anisotropic Consolidation[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(3): 167-173. doi: 10.3724/j.gyjzG22062701

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Discrete Element Method Analysis on Shear Responses of Mixed Soil During Anisotropic Consolidation

doi: 10.3724/j.gyjzG22062701

ZHU Yangui

China Railway First Survey and Design Institute Group Co., Ltd., Xi'an 710043, China

Received Date: 2022-06-27
Available Online: 2024-05-29

Abstract

Abstract

To explore the microscopic mechanisms of the macroscopic shear responses of dense-mixed soil with different contents of fine particles affected by initial stress ratios, the discrete element method was used to study the macroscopic and microscopic shear responses of mixed soil. Mixed soil consisted of spherical fine particles and coarse particles with real gravel shapes. Research indicated that an increase in initial stress ratios could increase both friction and dilatancy angles at initial loading stages. It was found that initial stress ratios had little influence on engineering classifications of mixed soil by analyzing the contact contributions of coarse-coarse, coarse-fine, and fine-fine particles. With increase in initial stress ratios, the shear strength of mixed soil increased at initial loading stages, which was closely related to an increase in contact forces particles. With increase in initial stress ratios, the increase in internal fiction angles at initial loading stages could be attributed to the anisotropic increase degree of contact, normal contact force, normal and tangential branch vectors beyond the anisotropic decrease degree of tangential contact force.
- mixed soil,
- macroscopic and microscopic characteristics,
- numerical calculation,
- initial stress ratio,
- contact type

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References(27)

References

[1]	汪清净.不等向固结条件下砂土动力特性及强度归一化表征[D].杭州:浙江大学, 2012.
[2]	吴越,杨仲轩,徐长节.初始组构各向异性对砂土力学特性及临界状态的影响[J].岩土力学, 2016, 37(9):2569-2576.
[3]	姜景山,左永振,程展林,等.围压和密度对粗粒料临界状态力学特性的影响[J].长江科学院院报, 2021, 38(5):94-102.
[4]	SHI J, QIAN S, ZENG L L, et al. Influence of anisotropic consolidation stress paths on compression behaviour of reconstituted Wenzhou clay[J]. Geotechnique Letters, 2015, 5(4):275-280.
[5]	CAI Y Q, HAO B B, GU C, et al. Effect of anisotropic consolidation stress paths on the undrained shear behavior of reconstituted Wenzhou clay[J]. Engineering Geology, 2018, 242:23-33.
[6]	BERGADO D T, TAECHAKUMTHORN C, LORENZO G A, et al. Stress-deformation behavior under anisotropic drained triaxial consolidation of cement-treated soft Bangkok clay[J]. Soils and Foundations, 2006, 46(5):629-637.
[7]	DOROSTKAR O, MIRGHASEMI A A. Micro-mechanical study of stress path and initial conditions in granular materials using DEM[J]. Computational Particle Mechanics, 2016, 3(1):15-27.
[8]	ZHOU W, WU W, MA G, et al. Study of the effects of anisotropic consolidation on granular materials under complex stress paths using the DEM[J/OL]. Granular Matter, 2017, 76(19)[2022-06-27]. https://doi.org/10.1007/s10035-017-0763-0.
[9]	张波,陶连金,黄俊,等.基于微观图像处理技术的土体三轴试验颗粒流模型[J].工业建筑, 2013, 43(4):86-91.
[10]	吴东旭,姚勇,梅军,等.砂卵石土直剪试验颗粒离散元细观力学模拟[J].工业建筑, 2014, 44(5):79-84.
[11]	高文伟,高玮,胡瑞林,等.块石空间定向性对土石混合体力学性质的影响[J].防灾减灾工程学报, 2019, 39(1):89-97.
[12]	张敏超,刘新荣,王鹏,等.不同含石量下泥岩土石混合体剪切特性及细观破坏机制[J].土木与环境工程学报(中英文), 2019, 41(6):17-41.
[13]	张强,汪小刚,赵宇飞,等.土石混合体三维细观结构随机重构及其力学特性颗粒流数值模拟研究[J].岩土工程学报, 2019, 41(1):60-69.
[14]	GONG J, LIU J, CUI L. Shear behaviors of granular mixtures of gravel-shaped coarse and spherical fine particles investigated via discrete element method[J]. Powder Technology, 2019, 353:178-194.
[15]	杨升,李晓庆.基于3维离散元颗粒流的土石混合体大型直剪试验模拟分析[J].工程科学与技术, 2020, 52(3):78-85.
[16]	胡军霞,马一跃,张仕贤,等.不排水条件下土石混合料双轴压缩离散元模拟[J].计算力学学报, 2021, 39(5):661-669.
[17]	ROWE P W. Stress-dilatancy relation for static equilibrium of an assembly of particles in contact[C]//Proceedings of the Royal Society A:Mathematical, Physical and Engineering Sciences. 1962.
[18]	GUO N, ZHAO J D. The signature of shear-induced anisotropy in granular media[J]. Computers and Geotechnics, 2013, 47:1-15.
[19]	GOLDENBERG C, GOLDHIRSCH I. Friction enhances elasticity in granular solids[J]. Nature, 2005, 435(7039):188-191.
[20]	JIANG M J, SHEN Z, WANG J F. A novel three-dimensional contact model for granulates incorporating rolling and twisting resistances[J]. Computers and Geotechnics, 2015, 65:147-163.
[21]	CAO X P, ZHU Y G, GONG J. Effect of the intermediate principal stress on the mechanical responses of binary granular mixtures with different fines contents[J/OL]. Granular Matter, 2021, 23(2)[2022-06-27]. https://doi.org/10.1007/s10035-021-01110-9.
[22]	ZHU Y G, NIE Z H, GONG J, et al. An analysis of the effects of the size ratio and fines content on the shear behaviors of binary mixtures using DEM[J/OL]. Computers and Geotechnics, 2020, 118[2022-06-27]. https://doi.org/10.1016/j.compgeo.2019.103353.
[23]	LOPEZ R D, SILFWERBRAND J, JELAGIN D, et al. Force transmission and soil fabric of binary granular mixtures[J]. Geotechnique, 2016, 66(7):578-583.
[24]	LINDQUIST E S. The strength and deformation properties of melange[D]. Berkeley:University of California at Berkeley, 1994.
[25]	李维树,丁秀丽,邬爱清,等.蓄水对三峡库区土石混合体直剪强度参数的弱化程度研究[J].岩土力学, 2007, 28(7):1338-1342.
[26]	XU W J, XU Q, HU R L. Study on the shear strength of soil-rock mixture by large scale direct shear test[J]. International Journal of Rock Mechanics and Mining Sciences, 2011, 48(8):1235-1247.
[27]	MINH N H, CHENG Y P, THORNTON C. Strong force networks in granular mixtures[J]. Granular Matter, 2014, 16(1):69-78.

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