Shear behaviors of granular mixtures of gravel-shaped coarse and spherical fine particles investigated via discrete element method
J Gong, J Liu, L Cui - Powder Technology, 2019 - Elsevier
The shear behaviors of granular mixtures are studied using the discrete element method.
These granular materials contain real gravel-shaped coarse particles and spherical fine …
These granular materials contain real gravel-shaped coarse particles and spherical fine …
Mechanical transitional behavior of binary mixtures via DEM: effect of differences in contact-type friction coefficients
J Gong, J Liu - Computers and Geotechnics, 2017 - Elsevier
This report presents a numerical investigation of the shear behavior of binary mixtures via a
two-dimensional discrete element method. The effect of the coarse particle content on the …
two-dimensional discrete element method. The effect of the coarse particle content on the …
Discrete element study on mesomechanical behavior of crack propagation in coal samples with two prefabricated fissures under biaxial compression
The failure behavior of coal mass caused by various shapes and distribution forms of
fissures has been studied extensively. However, the effect of the Rock Bridge Dip Angle …
fissures has been studied extensively. However, the effect of the Rock Bridge Dip Angle …
Interpretation of coarse effect in simple shear behavior of binary sand-gravel mixture by DEM with authentic particle shape
The sand-gravel mixture is a binary geotechnical material widely used in construction. Its
shear behavior is a significant factor influencing the relevant structure safety or slope …
shear behavior is a significant factor influencing the relevant structure safety or slope …
Effects of particle size ratio on the macro-and microscopic behaviors of binary mixtures at the maximum packing efficiency state
The effects of particle size ratio on the mechanical behaviors of binary mixtures are
investigated using three-dimensional discrete element method. The samples with three …
investigated using three-dimensional discrete element method. The samples with three …
Degradation-induced evolution of particle roundness and its effect on the shear behaviour of railway ballast
ZT Zhang, WH Gao, X Wang, JQ Zhang… - Transportation …, 2020 - Elsevier
Ballast degradation has a strong effect on railway track performance (including accumulative
deformation, ballast resistance, and drainage). The main objective of this research is to …
deformation, ballast resistance, and drainage). The main objective of this research is to …
Mechanism of the variation in axial strain of sand subjected to undrained cyclic triaxial loading explained by DEM with non-spherical particles
X Ni, J Ma, F Zhang - Computers and Geotechnics, 2024 - Elsevier
The mechanical response of sand is affected by the axial strain accumulated during
undrained cyclic triaxial loading tests. However, the large deformation that occurs during the …
undrained cyclic triaxial loading tests. However, the large deformation that occurs during the …
An improved index of mixing degree and its effect on the strength of binary geotechnical mixtures
S Liu, W Hu, J Gong, Z Nie - Granular Matter, 2022 - Springer
Binary geotechnical mixtures are usually studied as homogeneous materials; however, it is
difficult for coarse and fine particles to mix evenly during the formation process of binary …
difficult for coarse and fine particles to mix evenly during the formation process of binary …
Quantifying the effects of elongation and flatness on the shear behavior of realistic 3D rock aggregates based on DEM modeling
It is significant for industrial production and engineering practice to study the macro and
micromechanical behaviors of realistic particles in nature. Based on the rock aggregates …
micromechanical behaviors of realistic particles in nature. Based on the rock aggregates …
Effect of particle type on the shear behaviour of granular materials
S Liu, Z Nie, W Hu, J Gong, P Lei - Particuology, 2021 - Elsevier
In discrete element method (DEM) simulations, multi-sphere (MS) clumped and convex
particles are two main particle models that are used to study the mechanical behaviours of …
particles are two main particle models that are used to study the mechanical behaviours of …