Advances in modelling of hydro-mechanical processes in gas migration within saturated bentonite: A state-of-art review

G Guo, M Fall - Engineering Geology, 2021 - Elsevier
Bentonite is a key material for the construction of Engineered Barrier Systems (EBSs) in
deep geological repositories (DGRs) for radioactive waste. Modelling of gas migration in …

Self-sealing behavior of bentonite-based materials in high-level radioactive waste disposal: a systematic review

KP Li, YG Chen, WM Ye, Q Wang - Applied Clay Science, 2023 - Elsevier
During the construction of high-level radioactive waste disposal repository, bentonite-based
materials (BM), as the preferred type of buffer materials, are usually pre-compacted into …

Pore structure effects on the water retention behaviour of a compacted silty sand soil subjected to drying-wetting cycles

CWW Ng, D Peprah-Manu - Engineering Geology, 2023 - Elsevier
Most of the previous studies on the effects of pore structure on soil water retention behaviour
are limited to a single drying and wetting cycle. This study evaluated the effects of pore …

Innovative overview of SWRC application in modeling geotechnical engineering problems

KC Onyelowe, FF Mojtahedi, S Azizi, HA Mahdi… - Designs, 2022 - mdpi.com
The soil water retention curve (SWRC) or soil–water characteristic curve (SWCC) is a
fundamental feature of unsaturated soil that simply shows the relationship between soil …

Bentonite microstructure and saturation evolution in wetting–drying cycles evaluated using ESEM, MIP and WRC measurements

H Sun, D Mašín, J Najser, V Neděla… - …, 2019 - icevirtuallibrary.com
In this paper, the microstructure of the Czech bentonite B75 was investigated by three
methods: water retention curve (WRC) measurements, mercury intrusion porosimetry (MIP) …

Modelling of preferential gas flow in saturated bentonite using a bimodal, strain-dependent pore model

E Radeisen, H Shao, J Hesser, D Naumov, W Wang… - Applied Clay …, 2024 - Elsevier
This paper presents a novel strain-dependent water retention model for improved predictive
modelling of localized gas flow in bentonite. The proposed model uses fundamental material …

Effective approach to predict soil-water retention curve of bentonites considering adsorption and capillarity

F Peng, D Sun, B Chen, Y Gao - Journal of Hydrology, 2024 - Elsevier
Understanding soil–water retention behavior is a longstanding topic. Water retained in soils
can be decomposed into adsorptive and capillary components, controlled by different …

Water retention of a bentonite for deep geological radioactive waste repositories: High-temperature experiments and thermodynamic modeling

H Sun, D Mašín, J Najser, G Scaringi - Engineering geology, 2020 - Elsevier
Thermo-hydro-mechanical coupling is relevant in various natural processes and
engineering applications involving clay soils. It can affect slope deformations and stability …

Investigation of soil-water characteristic curves for compacted bentonite considering dry density

S Yoon, S Chang, D Park - Progress in Nuclear Energy, 2022 - Elsevier
Deep geological repositories are often considered for the disposal of high-level radioactive
wastes (HLW). HLW should be disposed of safely and permanently using two barrier …

Modelling the evolution of dual-pore structure for compacted clays along hydro-mechanical paths

K Li, Y Chen, W Ye, Q Wang - Computers and Geotechnics, 2023 - Elsevier
The evolution of dual-pore structure for compacted clays along hydro-mechanical paths
exerts considerable influences on their phenomenological behavioral properties. This study …