Research on the heavy metal migration and distribution patterns of low permeability copper and zinc contaminated soil during bottom vacuum leaching

Y Wu, H Yue, X Zhang, X Zang, Y Sun, C Zhang… - Process Safety and …, 2024 - Elsevier
With the increasing awareness of environmental protection, the problem of heavy metal
pollution in soil has received greater attention. The bottom vacuum leaching remediation …

On the evaluation of internal stability of gap-graded soil: a status quo review

Z Xu, Y Ye - Natural Hazards, 2022 - Springer
Internal instability is a phenomenon of fine particle redistribution in granular materials under
the seepage action and consequent change in the soil's internal structure and hydraulic and …

[HTML][HTML] Impact of clay particle reattachment on suffusion of sand-clay mixtures

J Won, Y Choe, Y Yang, H Choi - Journal of Rock Mechanics and …, 2023 - Elsevier
The detached clay particles directly filtrated through the sand-clay mixture lead to suffusion;
however, if the detached clay particles are subjected to reattachment, the degree of …

Mud pumping in the roadbed of ballastless high-speed railway

X Bian, Z Wan, C Zhao, Y Cui, Y Chen - Géotechnique, 2021 - icevirtuallibrary.com
Mud pumping that is deliberately avoided in the design of a ballastless high-speed railway
still occurs and induces extraordinary track vibrations. In this study, in situ investigations and …

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 …

Stability of sandy soils against internal erosion under cyclic loading and quantitatively examination of the composition and origin of eroded particles

S Dai, X He, C Tong, F Gao, S Zhang… - Canadian …, 2023 - cdnsciencepub.com
Internal erosion refers to the movement of fine particles within soil framework due to
subsurface water seepage. Existing criteria for assessing internal erosion usually are based …

A resolved CFD–DEM investigation into the onset of suffusion: effect of confining pressure and stress anisotropy

T Chen, Z Hu, Z Yang, Y Zhang - International Journal for …, 2023 - Wiley Online Library
The susceptibility of a granular soil to suffusion is strongly dependent on its grain size
distribution (GSD) and the mechanical and hydraulic conditions it is subjected to. This study …

Experiments and mechanisms for bottom vacuum leaching remediation of low permeability Cu, Zn-contaminated soil

Y Wu, Y Sun, X Zhang, H Zhang, P Ye, K He… - Journal of Cleaner …, 2022 - Elsevier
The model box test of Cu and Zn composite contaminated clay was conducted to perfect the
treatment technique for low permeability contaminated soil—bottom vacuum leaching …

Seepage deformation characteristic of gap-graded coral sand in the South China Sea

H Ding, X Wang, D Wen, P Huang - Applied Ocean Research, 2024 - Elsevier
Foundation settlement and collapse disasters resulting from seepage deformation in
hydraulic-filled islands and reefs have been observed in the South China Sea, but the …

Effect of gradation characteristics and particle morphology on internal erosion of sandy gravels: a large-scale experimental study

Z Deng, X Chen, W Jin, G Wang - Water, 2023 - mdpi.com
Internal erosion refers to the seepage-induced fine particle migration phenomenon in soil.
Deep alluviums in valleys usually contain cohesionless gap-graded sandy gravels with poor …