Macro–microscopic mechanism of suffusion in calcareous sand under tidal fluctuations by coupled CFD-DEM

H Xiong, Y Qiu, J Liu, ZY Yin, X Chen - Computers and Geotechnics, 2023 - Elsevier
Numerous offshore transportation infrastructures built with delicate calcareous sand (CS)
experience intricate seepage conditions caused by tidal fluctuations. Traffic loads can cause …

A review of two-dimensional image-based technologies for size and shape characterization of coarse-grained granular soils

L Gao, D Wang, Y Miao - Powder Technology, 2024 - Elsevier
Coarse-grained granular soils are critical construction and building materials. The particle
shape of granular soils significantly affects their macro mechanical properties. The particle …

Evaluating the influence of sand particle morphology on shear strength: A comparison of experimental and machine learning approaches

F Daghistani, H Abuel-Naga - Applied Sciences, 2023 - mdpi.com
Particulate materials, such as sandy soil, are everywhere in nature and form the basis for
many engineering applications. The aim of this research is to investigate the particle shape …

The fragmentation-induced fluidisation of pyroclastic density currents

ECP Breard, J Dufek, S Charbonnier… - Nature …, 2023 - nature.com
Pyroclastic density currents (PDCs) are the most lethal volcanic process on Earth.
Forecasting their inundation area is essential to mitigate their risk, but existing models are …

Estimate of three-dimensional Wadell roundness of irregular particles using image processing and topographic analysis

L Li, J Wang, S Yang, B Klein, Z Wang, F Liu - Construction and Building …, 2023 - Elsevier
Wadell roundness is a general particle shape descriptor used in many fields, such as mining
engineering, civil engineering, and geotechnical engineering. Initially, Wadell roundness …

Reconstruction of irregular elongated/flattened particles and generation of particle aggregates with customizable form distributions

M Fan, D Su, D Wu, X Chen - Powder Technology, 2023 - Elsevier
In this study, we introduced a new method to address the limitations of the traditional
spherical harmonic (SH) analysis when reconstructing the morphology of …

Particle shape effects on dynamic properties of granular soils: A DEM study

J Hu, H Wu, X Gu, Q Zhou - Computers and Geotechnics, 2023 - Elsevier
Particle shape is an essential aspect of granular soils that affects their mechanical
properties. It is challenging to isolate the effect of particle shape from other mechanical …

[HTML][HTML] Effect of sand particle shape on micromechanical modeling in direct shear testing

JE Necochea, E Sáez, KJ Hanley - Computers and Geotechnics, 2024 - Elsevier
Soil representation in discrete element method (DEM) simulations is a complex process due
to the intrinsic variability in grain shape. Many methods have been proposed to include …

Analysis of the stiffness and damping characteristics of compacted sand-in-fines granular composites: a multiscale investigation

A Shafiee, A Hassanipour, M Payan, S Bahmani Tajani… - Granular Matter, 2022 - Springer
Compacted clay-aggregate composites are extensively utilized or found in various
geotechnical engineering projects such as the core of earth embankment dams, the pile …

[HTML][HTML] 3D-measurement of particles and particulate assemblies-A review of the paradigm shift in describing anisotropic particles

X Jia, RA Williams - Powder Technology, 2024 - Elsevier
The goal of seeking advanced solutions to the descriptions of particle shape, packing and
tomographic measurement were key areas promoted by Professor Reg Davies. In this paper …