Seepage effect on progressive failure of shield tunnel face in granular soils by coupled continuum-discrete method

S Tu, W Li, C Zhang, L Wang, Z **, S Wang - Computers and Geotechnics, 2024 - Elsevier
Seepage induced by the difference of hydraulic head between the ground and the shield's
chamber will adversely affect the stability of tunnel face when tunnels are excavated through …

Clogging effect of fines in seepage erosion by using CFD–DEM

H **ong, Z Zhang, X Sun, Z Yin, X Chen - Computers and Geotechnics, 2022 - Elsevier
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 …

Model test and discrete element method simulation of tunnel face stability in sand-gravel inclined layered stratum

S Tu, W Li, C Zhang, T Liu, L Wang, Z ** - Computers and Geotechnics, 2024 - Elsevier
The inclined layered stratum is often encountered in the geological and geotechnical
engineering. The stability of the tunnel face in inclined layered stratum plays an important …

Numerical investigation of the seepage mechanism and characteristics of soil-structure interface by CFD-DEM coupling method

X Yang, Z Xu, J Chai, Y Qin, J Cao - Computers and geotechnics, 2023 - Elsevier
Interfacial seepage on soil-structure interface is common in water-related engineering, such
as dam, culvert, water tunnel, foundation pit, etc. As a weak part in the project, seepage …

Face stability analysis of tunnels in saturated soil considering soil-fluid coupling effect via material point method

S Tu, W Li, C Zhang, L Wang, S Wang, Y Zhao… - Computers and …, 2023 - Elsevier
The stability of the tunnel face has been an important issue investigated by many scholars.
To fully study the failure evolution of tunnel face and the hydro-mechanical behavior of …

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

F Chen, S Jiang, H **ong, 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 …

Model tests and numerical modeling of the failure behavior of composite strata caused by tunneling under pipeline leakage conditions

S Zhang, T Bao, C Liu - Engineering Failure Analysis, 2023 - Elsevier
Pipeline leakage is a frequent phenomenon in subway construction and has contributed to
numerous underground collapses. In this study, the failure behavior of composite strata (ie …

Micro-mechanical analysis of particle shape effect on suffusion of gap-graded soils

H **ong, Z Zhang, X Bao, H Wu, Z Yin… - Computers and …, 2024 - Elsevier
Suffusion refers to the process of fine particles carried away from a coarser soil matrix by
seepage flow. Numerical simulations of coupled fluid–solid methods are wildly used in …

A theoretical solution to investigate long-term behavior of pressurized tunnels in severe squeezing conditions

M Zaheri, M Ranjbarnia, MR Zareifard - Computers and Geotechnics, 2023 - Elsevier
In this paper, an analytical-numerical method is presented to study the long-term behavior of
pressurized tunnels. In this regard, the pressurized tunnel construction is simplified into …

Particle shape effects on submarine landslides via CFD-DEM

X Bao, H Wu, H **ong, 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 …