Transmission effect of eroded particles in suffusion using the CFD-DEM coupling method

F Chen, H **ong, X Wang, ZY Yin - Acta Geotechnica, 2023‏ - Springer
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 …

The structural evolution of undisturbed loess due to water infiltration

J Zhuang, J Kong, Y Zhu, J Peng - Scientific Reports, 2024‏ - nature.com
Loess structure is the physical key factor that determines its stability and consists of macro-
pores, loose texture, and water sensitivity. The structural change characteristics and effects …

Study on particle loss-induced deformation of gap-graded soils: role of particle stress

K Cheng, X **, B Han, H Wu, H Liu - Acta Geotechnica, 2024‏ - Springer
Deformation induced by finer particle loss is an important phenomenon during suffusion of
gap-graded soils. This study focuses on the role of particle stress played in the particle loss …

[HTML][HTML] Modelling internal erosion using 2D smoothed particle hydrodynamics (SPH)

R Feng, G Fourtakas, BD Rogers, D Lombardi - Journal of Hydrology, 2024‏ - Elsevier
This paper presents a stabilised multi-phase smoothed particle hydrodynamics (SPH) model
applicable to seepage-induced internal erosion and the resulting deformation in soils …

Internal erosion of a gap-graded soil and influences on the critical state

S Li, AR Russell, D Muir Wood - Acta Geotechnica, 2024‏ - Springer
Water retaining structures are critical elements of civil infrastructure. Internal erosion of soils
forming the containment structures may occur progressively and lead to expensive …

Mechanism of the post-suffusion mechanical response of gap-graded soils from the perspective of force-chain evolution

Z Gao, Y Tang, Y Chen, X Wang - Computers and Geotechnics, 2024‏ - Elsevier
The discrete element method (DEM) coupled with the pore-scale finite volume (PFV) method
was used to simulate the suffusion and post-suffusion behavior of gap-graded soil with …

Suffusion response of well graded gravels in roadbed of non-ballasted high speed railway

K Liu, R Qiu, Q Su, P Ni, B Liu, J Gao, T Wang - Construction and Building …, 2021‏ - Elsevier
The suffusion mechanism of well graded gravels in the application of high speed railway
roadbed is still not fully understood. Field inspections of high speed railway show that …

Influencing factors on fines deposition in porous media by CFD–DEM simulation

P Liu, M Sun, Z Chen, S Zhang, FS Zhang, Y Chen… - Acta Geotechnica, 2023‏ - Springer
Evolution from fines migration to deposition and clogging is critical for many geotechnical
and environmental engineering practices. In this study, the coupling of computational fluid …

Confining stress effects on global and local responses of internal erosion in gap-graded cohesionless soils

LL Zhang, G Deng, R Chen, ZY Luo - Bulletin of Engineering Geology and …, 2023‏ - Springer
Internal erosion may affect soil hydraulic properties, inducing localized deterioration and
even failure of hydraulic geo-structures. Soil is always subjected to stress in engineering …

[HTML][HTML] The work input to saturated porous media undergoing internal erosion

DG Phan, GD Nguyen, HH Bui - International Journal of Solids and …, 2023‏ - Elsevier
The mechanism of internal erosion in porous media involves the microstructural evolutions
induced by washing out of fine particles under different loading and seepage flow actions …