Clogging effect of fines in seepage erosion by using CFD–DEM
The macroscopic phenomena and microscopic origin of penetrative migration and retention
of fine particles in porous skeleton under the action of seepage are not yet clear. Migrating …
of fine particles in porous skeleton under the action of seepage are not yet clear. Migrating …
Transmission effect of eroded particles in suffusion using the CFD-DEM coupling method
The transmission effect refers to the migration of eroded fine particles between the
neighboring gap-graded soil matrix, and its influence on suffusion is rarely investigated. A …
neighboring gap-graded soil matrix, and its influence on suffusion is rarely investigated. A …
Investigating effect of particle shape on suffusion by CFD-DEM modeling
H Xiong, H Wu, X Bao, J Fei - Construction and Building Materials, 2021 - Elsevier
Suffusion is one of the most common causes of hydraulic geological structure failure. During
the suffusion process, particle shape is a significant factor to affect the micro-structure and …
the suffusion process, particle shape is a significant factor to affect the micro-structure and …
Micro pore analysis of suffusion in filter layer using tri-layer CFD–DEM model
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 …
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
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 …
the application of slurry pressure balanced tunnel boring machine (SPB TBM) in …
Study of the dynamics of water-enriched debris flow and its impact on slit-type barriers by a modified SPH–DEM coupling approach
Slit-type barriers serve as active countermeasures against debris flow. However, the
dynamic interaction between debris flows and slit-type barriers is extremely complicated. To …
dynamic interaction between debris flows and slit-type barriers is extremely complicated. To …
Multiple arching in cohesion–friction soils: Insights from deformation behavior and failure mechanisms using FEM-SPH approach
Soil arching is a common phenomenon in many underground engineering problems. This
paper develops a coupling approach involving the Finite Element Method (FEM) and …
paper develops a coupling approach involving the Finite Element Method (FEM) and …
A novel multi-scale large deformation approach for modelling of granular collapse
Collapse of granular material is usually accompanied by long run-out granular flows in
natural hazards, eg rock/debris flow and snow avalanches. This paper presents a novel …
natural hazards, eg rock/debris flow and snow avalanches. This paper presents a novel …
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 …
being constructed beneath shallow covering layers, leading to smaller cover-span ratios. If …
Estimating flyrock distance induced due to mine blasting by extreme learning machine coupled with an equilibrium optimizer
Blasting is essential for breaking hard rock in opencast mines and tunneling projects. It
creates an adverse impact on flyrock. Thus, it is essential to forecast flyrock to minimize the …
creates an adverse impact on flyrock. Thus, it is essential to forecast flyrock to minimize the …