Consolidation considering increasing soil column radius for dredged slurries improved by vacuum preloading method

S Liu, H Sun, X Geng, Y Cai, L Shi, Y Deng… - Geotextiles and …, 2022 - Elsevier
Soil column is often investigated in the improvement of dredged slurries. Different from the
smear zone, the soil column forms gradually and has extremely low permeability. This study …

Nonlinear consolidation analysis of soft soil with vertical drains considering well resistance and smear effect under cyclic loadings

P Kim, TC Kim, YG Kim, HB Myong, KS Jon… - Geotextiles and …, 2021 - Elsevier
In this paper, the nonlinear consolidation behavior of soft soil with vertical drains considering
well resistance and smear effect under cyclic loadings was investigated. Using the variables …

Analytical solution for nonlinear consolidation of combined electroosmosis-vacuum-surcharge preloading

L Wang, P Huang, S Liu, E Alonso - Computers and Geotechnics, 2020 - Elsevier
In this study, analytical solutions of the consolidation of vertical drains combined with
electroosmosis-vacuum-surcharge preloading are derived considering void ratio-dependent …

Application of improved physics-informed neural networks for nonlinear consolidation problems with continuous drainage boundary conditions

P Lan, J Su, X Ma, S Zhang - Acta Geotechnica, 2024 - Springer
In this paper, improved physics-informed neural networks (PINNs) with hard constraints
(PINNs-H) are introduced to simulate the variation of the excess pore water pressure in the …

A new analytical model to predict the effect of suction removal on vacuum preloading of fine copper tailings

A Ahmadi, JB Bazaz - Engineering Geology, 2023 - Elsevier
This research deals with the vacuum preloading of fine-grained soft tailings related to the
Sungun copper mine through laboratory tests and theoretical analysis. Vacuum preloading …

Analytical solutions and simplified design method for large-strain radial consolidation

S Liu, H Sun, X Pan, L Shi, Y Cai, X Geng - Computers and Geotechnics, 2021 - Elsevier
Vertical drains combined with vacuum pressure is widely used to accelerate soil
consolidation in land reclamation, where the effective prediction of the consolidation …

How energy is consumed in vacuum preloading treatment of soft ground

L Shi, J Wang, X Wang, H Sun, Y Yu, Y Cai - Géotechnique, 2023 - icevirtuallibrary.com
The vacuum preloading method is commonly used to improve soft soils; however, it has
rarely been studied from the perspective of energy consumption. The work done by the …

Large strain consolidation of dredged slurries considering clogging effect with coupled vertical–radial flow

S Liu, H Sun, J Zheng, Y Cai, R Zhang, X Geng… - Acta Geotechnica, 2023 - Springer
Dredged slurries improved by vacuum preloading methods were found to be still weak
generally after the pore water drainage finished. Three reasons, including nonuniform …

Vacuum-induced lateral deformation around a vertical drain in dredged slurry

Y Zhou, H Yang, P Wang, XT Yang… - Geosynthetics …, 2022 - icevirtuallibrary.com
The horizontal strain in the vacuum preloading/dewatering of dredged slurry is significant to
the apparent clogging effect and estimation of surface settlement around a drain; however, it …

A new approach for determining compressibility and permeability characteristics of dredged slurries with high water content

L Shi, X Yin, H Sun, X Pan, Z Yuan… - Canadian Geotechnical …, 2022 - cdnsciencepub.com
In the vacuum treatment of dredged slurries via prefabricated vertical drains (PVDs), both
filtration and consolidation may happen to dredged slurries when subjected to the vacuum …