[HTML][HTML] Grading scal** and sample size effects on critical shear strength of mine waste rock through laboratory and in-situ testing

G Girumugisha, C Ovalle, S Ouellet - International Journal of Rock …, 2024 - Elsevier
Geotechnical stability analyses of mine waste rock (WR) piles require the critical friction
angle (ϕ cr) of the coarse blasted rock. However, due to the presence of oversized rock …

A GSD‐driven approach to deriving stochastic soil strength parameters under hybrid machine learning models

H Jiang, Y Li, Q Zou, J Zhang, J Cui… - European Journal of …, 2024 - Wiley Online Library
The quantification of soil strength parameters is a crucial prerequisite for constructing
physical models related to hydro‐geophysical processes. However, due to ignoring soil …

Probability analysis of shallow landslides in varying vegetation zones with random soil grain-size distribution

H Jiang, Q Zou, Y Li, Y Jiang, J Cui, B Zhou… - … Modelling & Software, 2025 - Elsevier
The physically-based landslide susceptibility models are widely used to guide disaster
prevention and mitigation in mountainous areas due to their significant predictive capability …

The combined effect of particle angularity and inter-particle friction on micro-and macroscopic properties of granular assemblies

D Krengel, H Jiang, J Chen, T Matsushima - Computers and Geotechnics, 2025 - Elsevier
Both inter-particle friction and particle shape are known to influence the micro-and
macroscopic properties of granular assemblies individually. However their combined …

[HTML][HTML] Particle shape distribution effects on the critical strength of granular materials

S Carrasco, D Cantor, C Ovalle, F Dubois - Computers and Geotechnics, 2025 - Elsevier
This study investigates the influence of correlations between particle morphology and
gradation on the critical shear strength of three-dimensional granular assemblies via …
G Girumugisha, C Ovalle, S Ouellet - Geo-Congress 2024, 2024 - ascelibrary.org
Geotechnical designs of mine waste rock (WR) piles require the critical friction angle (ϕ cr)
of the coarse crushed rock. For this purpose, grading scal** techniques must be used to …

Packing of cohesive angular particles: Cohesive strength, structure, and effects of angularity

T Binaree, P Jitsangiam, M Renouf, E Azéma - Physical Review E, 2025 - APS
Employing extensive 2D contact dynamics simulations, we analyze the effects of grain
shape angularity on the quasistatic shear strength properties of cohesive granular packings …

[HTML][HTML] The 9th Victor de Mello lecture: reflections and speculations

DW Hight - Soils and Rocks, 2024 - SciELO Brasil
The paper reviews the published literature on some aspects of fabric and particle behaviour
in cohesionless soils. It uses insights from Discrete Element Modelling and Microcomputed …

Size effects assessment of mine waste-rock shear strength combining numerical, laboratory and in situ approaches

C Ovalle, G Girumugisha, D Cantor… - SSIM 2023: Third …, 2023 - papers.acg.uwa.edu.au
With the aim of performing stability analyses of waste-rock (WR) piles, the critical shear
strength of loose WR material must be characterised. However, due to the presence of …

Particle size effects on critical strength of granular soils through numerical and laboratory testing

PQ Rojo, C Ovalle, G Girumugisha, D Cantor… - … Conference on Soil …, 2024 - hal.science
The critical shear strength characterization of waste rock (WR) is crucial for assessing the
stability of waste rock piles. However, laboratory testing is challenging due to the broad …