Role of inherent anisotropy in infiltration mechanism of suffusion with irregular granular skeletons

H Xiong, Z Zhang, J Yang, Z Yin, X Chen - Computers and Geotechnics, 2023 - Elsevier
Suffusion, the process of particle migration and clogging within porous media, exerts a
remarkable impact on various natural and engineered systems. Properties of the coarse …

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 …

Micro pore analysis of suffusion in filter layer using tri-layer CFD–DEM model

F Chen, S Jiang, H Xiong, Z Yin, X Chen - Computers and Geotechnics, 2023 - Elsevier
Filter layers are extensively employed in dam structures as a mitigation method against
internal erosion, which facilitates the interlocking and clogging of the suffused base soil due …

Impermeable and mechanical stability of filter cake under different infiltration conditions via CFD-DEM

F Chen, H Xiong, ZY Yin, X Chen - Acta Geotechnica, 2023 - Springer
The slurry infiltration process contributes significantly to the stability of tunnelling face during
the application of slurry pressure balanced tunnel boring machine (SPB TBM) in …

Particle shape effects on submarine landslides via CFD-DEM

X Bao, H Wu, H Xiong, X Chen - Ocean Engineering, 2023 - Elsevier
Submarine landslides constitute a crucial area of interest in the fields of geotechnical and
oceanic research. These events are often simplified as a granular collapse process that …

Suffusion behavior of crushed calcareous sand under reversed cyclic hydraulic conditions

H Xiong, J Sun, F Chen, ZY Yin, X Chen - Construction and Building …, 2023 - Elsevier
Due to the unique properties of calcareous sand in reclamation projects, soil foundations
consisting of calcareous sand-filled land are often exposed to reversible tidal waves. This …

A coupled CFD-DEM investigation into hydro-mechanical behaviour of gap-graded soil experiencing seepage erosion considering cyclic hydraulic loading

P Zhang, L Mu, M Huang - Journal of Hydrology, 2023 - Elsevier
The internal erosion of soils is a critical factor that can cause infiltration damage in slope and
embankment works. Under conditions of heavy rainfall, storm surge, and waves, the soil is …

DEM-DFM modeling of suffusion in calcareous sands considering the effect of double-porosity

T Wang, P Wang, Z Yin, F Zhang - Computers and Geotechnics, 2022 - Elsevier
Calcareous sand is a kind of marine biogenic sand formed by coral debris and marine
organism skeletal bodies. One of the most important features of calcareous sand lies in …

Micromechanical investigation into the mechanism of slurry fracturing and the effect of covering depth concerning shield tunneling in a sandy stratum

R Zhang, H Xiong, D Su, W Han, Q Li… - … and Underground Space …, 2024 - Elsevier
With progressive advancements in slurry shield tunneling, increasingly larger tunnels are
being constructed beneath shallow covering layers, leading to smaller cover-span ratios. If …

A coupled CFD-DEM investigation into suffusion of gap-graded soil considering anisotropic stress conditions and flow directions

Y Liu, L Wang, ZY Yin, Y Hong - Acta Geotechnica, 2023 - Springer
Seepage-induced losses of fine particles from the matrix of coarse fraction (ie, suffusion) and
the subsequent collapse of the force transmission structure of the gap-graded soil is a …