Study on the release of GMZ bentonite colloids by static multiple light scattering technique

H Zhu, H Fu, P Yan, X Li, L Zhang, X Wang… - Colloids and Surfaces A …, 2022 - Elsevier
Bentonite has emerged as the most promising buffer backfill material for radioactive waste
storage underground. As a result, research on the natural release, migration, and stability of …

Modelling the effects of water chemistry and flowrate on clay erosion

H Yan, M Sedighi, A Jivkov - Engineering Geology, 2021 - Elsevier
Clay buffer is a key component of the engineered barrier system (EBS) for geological
disposal of higher activity radioactive waste. Experimental observations indicate the …

Field and laboratory observations of down-slope bentonite migration in exposed composite liners

RK Rowe, RWI Brachman, WA Take, A Rentz… - Geotextiles and …, 2016 - Elsevier
GCL manufacturers recommend that composite liners (ie, a geomembrane (GMB) over
geosynthetic clay liner (GCL)) be covered in a timely fashion. This paper highlights the …

Colloidal properties of different smectite clays: Significance for the bentonite barrier erosion and radionuclide transport in radioactive waste repositories

T Missana, U Alonso, AM Fernández… - Applied …, 2018 - Elsevier
Compacted bentonite is envisaged as engineered barrier in high-level radioactive waste
(HLRW) repositories and, to assess its functionality at a long term, many clay properties must …

Erosion dynamics of compacted raw or homoionic MX80 bentonite in a low ionic strength synthetic water under quasi-stagnant flow conditions

M Bouby, S Kraft, S Kuschel, F Geyer… - Applied Clay …, 2020 - Elsevier
Bentonite is planned to be used as a backfill material in deep geological repositories (DGR)
notably for those to be established in crystalline rock. Potential erosion processes have to be …

Peridynamic modelling of clay erosion

M Sedighi, H Yan, AP Jivkov - Géotechnique, 2022 - icevirtuallibrary.com
Experimental observations of the erosion of clays indicate a high degree of coupling
between the hydro-chemical processes in the clay–water system and the mechanics of …

[HTML][HTML] Co-transport of less soluble accessory minerals during expansion of compacted bentonite and its impacts on erosion

H Yan, A Jivkov, M Sedighi - Engineering Geology, 2022 - Elsevier
Compacted bentonite is considered as an engineered barrier in geological disposal of
nuclear waste in fractured rocks. One concern with this concept is that the expansion of …

Swelling and mechanical erosion of MX-80 bentonite: Pinhole test simulation

V Navarro, L Asensio, Á Yustres, G De la Morena… - Engineering …, 2016 - Elsevier
An approach is proposed for simulating the coupled processes of swelling and mechanical
erosion of compacted MX-80 bentonites. The loss of mass at the water–soil interface is …

Factors affecting the down-slope erosion of bentonite in a GCL

RK Rowe, LE Ashe, WA Take, RWI Brachman - Geotextiles and …, 2014 - Elsevier
Leaving a composite liner exposed for an extended period can sometimes lead to down-
slope bentonite erosion from geosynthetic clay liners (GCLs). This laboratory study …

γ-radiation induced corrosion of copper in bentonite-water systems under anaerobic conditions

KK Norrfors, Å Björkbacka, A Kessler, S Wold… - Radiation Physics and …, 2018 - Elsevier
In this work we have experimentally studied the impact of bentonite clay on the process of
radiation-induced copper corrosion in anoxic water. The motivation for this is to further …