A micromechanical investigation of sand–rubber mixtures using the discrete element method

R Fu, B Yang, X Hu, B Zhou, MR Coop - Engineering Geology, 2023 - Elsevier
Mixing soil or sand with tire rubber fibers or buffings is a practical and promising solution to
the problem of global scrap tire pollution. However, sand–rubber mixtures exhibit …

DEM investigation on flow instability of particulate assemblies under coupling between volumetric and axial strains

M Salimi, A Lashkari, M Tafili - Acta Geotechnica, 2024 - Springer
The discrete element method (DEM) is employed to investigate the impact of coupling
between volumetric and axial strains on the flow liquefaction vulnerability of 3D cubic …

DEM analysis on diffuse failure of soil slope triggered by earthquakes

X **, X Li, Y Huang - Engineering Geology, 2024 - Elsevier
Earthquake-induced diffuse landslide can cause considerable harm. This study used
discrete element modeling (DEM) to investigate the diffuse failure of soil slopes triggered by …

Undrained responses of anisotropic granular material under rotational shear by DEM

QX Wu, ZX Yang - Journal of Geotechnical and Geoenvironmental …, 2022 - ascelibrary.org
The undrained response of sand under complex loading conditions involving principal
stress rotation (PSR) is of particular interest in practical engineering. Although this subject …

Rainfall-induced flowslides of granular soil slopes: Insights from grain-scale modeling

L Zhang, X Tang, J Yang - Engineering Geology, 2023 - Elsevier
Rainfall-induced flowslides in soil slopes remain one of the most destructive natural
hazards. To prevent and mitigate the hazard requires a good understanding of soil behavior …

A continuum meshfree method for sandbox-style numerical modeling of accretionary and doubly vergent wedges

EM del Castillo, AHF Neto, RI Borja - Journal of Structural Geology, 2021 - Elsevier
In this study we introduce and utilize GEOSPH, a Lagrangian particle-based continuum
Smoothed Particle Hydrodynamics (SPH) code to simulate the deformation of geologic …

Effects of initial fabric anisotropy on the undrained rotational shear responses of granular material using discrete element simulations

QX Wu, JJ Zheng, ZX Yang - Acta Geotechnica, 2023 - Springer
In this study, a convenient and efficient DEM sample preparation procedure capable of
generating three-dimensional specimens with various intensities of initial fabric anisotropy is …

Fabric anisotropy effects on static liquefaction under constant shear drained loading

SV Bokkisa, J Macedo, AL Petalas - Computers and Geotechnics, 2023 - Elsevier
Several case history failures of slope systems have highlighted that the instability onset in
loose materials can be triggered under prevailed drained conditions and stress paths that …

Novel undrained servomechanism in discrete-element modeling and its application in multidirectional cyclic shearing simulations

QX Wu, ZX Yang - Journal of Engineering Mechanics, 2021 - ascelibrary.org
Multidirectional shearing of granular soils involves shearing more than one shear stress
component, and thus may result in more-complex soil responses than unidirectional …

Effects of over-consolidation history on flow instability of clean and silty sands

A Lashkari, PT Shourijeh, SSS Khorasani, N Irani… - Acta Geotechnica, 2022 - Springer
This article presents an experimental program under the constant volume condition to
investigate the influence of over-consolidation on flow instability of clean and silty sand …