Effect of particle shape on the progressive failure of shield tunnel face in granular soils by coupled FDM-DEM method
The face failure of tunnels has been extensively studied. However, the effect of particle
shape on the failure process still remains unclear. In this paper, the progressive face failure …
shape on the failure process still remains unclear. In this paper, the progressive face failure …
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 …
Investigating the effect of flow direction on suffusion and its impacts on gap-graded granular soils
The flow direction is generally different from the gravity direction in geotechnical structures
or slopes, the effect of which during suffusion remains unclear. This paper presents a …
or slopes, the effect of which during suffusion remains unclear. This paper presents 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-mechanical analysis of soil–structure interface behavior under constant normal stiffness condition with DEM
The mechanical behavior at soil–structure interface (SSI) has a crucial influence on the
safety and stability of geotechnical structures. However, the behavior of SSI under constant …
safety and stability of geotechnical structures. However, the behavior of SSI under constant …
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 …
DEM analysis of small and small-to-medium strain shear modulus of sands
NSC Reddy, H He, K Senetakis - Computers and Geotechnics, 2022 - Elsevier
Despite the significant progresses in discrete-based numerical studies of granular materials,
most efforts have been placed in the study of large deformation problems and there are …
most efforts have been placed in the study of large deformation problems and there are …
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 …
Bayesian model selection for sand with generalization ability evaluation
YF Jin, ZY Yin, WH Zhou… - International Journal for …, 2019 - Wiley Online Library
Current studies have focused on selecting constitutive models using optimization methods
or selecting simple formulas or models using Bayesian methods. In contrast, this paper …
or selecting simple formulas or models using Bayesian methods. In contrast, this paper …
Influences of buried depth and grain size distribution on seepage erosion in granular soils around tunnel by coupled CFD-DEM approach
For tunnels built in the saturated silty sand ground, fine particles may be migrated into
tunnels through seams of tunnel segmental joints and then seepage erosion is triggered …
tunnels through seams of tunnel segmental joints and then seepage erosion is triggered …