[HTML][HTML] Mechanical behavior of iron ore tailings under standard compression and extension triaxial stress paths

AC Wagner, JP de Sousa Silva… - Journal of Rock …, 2023 - Elsevier
The disposal of mining tailings has increasingly focused on the use of dry stacks. These
structures offer more security since they use filtered and compacted material. Because of the …

DEM investigation of strength and critical state behaviours of granular materials under true triaxial loadings

M Zhu, G Gong, J **a, S Wilkinson - Particuology, 2024 - Elsevier
This paper investigates the strength and critical state (CS) behaviours of granular materials
via DEM simulations of true triaxial drained tests under three different loading modes …

Microscopic mechanical properties of rockfill materials under different stress paths

R Zhang, L Zhang, C Shi, Y Zhang, Y Cui - Granular Matter, 2024 - Springer
The mechanical properties of rockfill materials are not only influenced by microscopic factors
such as particle morphology and gradation, but also closely related to different loading …

Morphological effects on the angle of repose of granular materials: a discrete element investigation

SPK Kodicherla, DK Nandyala - Granular Matter, 2023 - Springer
We investigate the effects of morphological features on the angle of repose (Φ) of granular
materials using a three-dimensional discrete element method (3D-DEM). A commercially …

DEM simulations of critical state behaviour of granular materials under various drained triaxial stress path tests

SPK Kodicherla, G Gong, S Wilkinson - Particuology, 2023 - Elsevier
The present study investigates the critical state behaviour of granular assemblies composed
of clumped particles under four different drained axisymmetric triaxial stress paths, using the …

Discrete element modelling of granular materials incorporating realistic particle shapes

SPK Kodicherla - International Journal of Geo-Engineering, 2023 - Springer
This paper proposes an approach to generate realistic particle shapes considering the
major plane of orientation of particles in discrete element modelling (DEM). The particle …

DEM investigation of strength and critical state behaviours of sand under axisymmetric stress paths with different shearing modes

M Zhu, G Gong, X Zhang, J **a, CKS Moy… - Journal of Central South …, 2023 - Springer
This paper investigates the strength and critical state (CS) behaviours of sand under
axisymmetric stress paths with different shearing modes using discrete element method …

Investigation on tectonically deformed coal particle crushing by DEM under triaxial loading: Implication for coal and gas outburst

W Li, J Guo, Y Jiao, D Deng, Y Zhong… - Advanced Powder …, 2023 - Elsevier
Tectonically deformed coal is composed of loosely bonded and brittle particles. The effect of
particle crushing on tectonically deformed coal was studied through triaxial loading tests …

Strength and fabric anisotropy of granular materials under true triaxial configurations using DEM

SPK Kodicherla, M Zhu, G Gong, S Wilkinson - Powder Technology, 2024 - Elsevier
This paper investigates the strength and fabric anisotropy of granular materials under true
triaxial configurations using the discrete element method. A clump logic based on the multi …

Effects of pre-shearing and pre-consolidation histories on liquefaction behaviour of saturated loose sand: DEM investigation

M Zhu, G Gong, X Ding, S Wilkinson - Engineering Computations, 2023 - emerald.com
Purpose The study aims to investigate the effects of pre-loading histories (pre-shearing and
pre-consolidation) on the liquefaction behaviour of saturated loose sand via discrete …