A systematic review of bentonite/concrete interaction system in HLW disposal repositories: Theoretical, experimental and geochemical modelling analysis

Z Sun, Y Chen, W Ye - Construction and Building Materials, 2022 - Elsevier
The buffer/backfill material of bentonite acts the most important role for the safety of high-
level nuclear waste repository. After the closure of repository, the concrete as another barrier …

The impact of cement on argillaceous rocks in radioactive waste disposal systems: A review focusing on key processes and remaining issues

J Wilson, K Bateman, Y Tachi - Applied Geochemistry, 2021 - Elsevier
Several repository concepts have been proposed for the disposal of radioactive wastes,
some of which include argillaceous (clay-rich) host rocks and cementitious engineered …

Uranium (V) incorporation mechanisms and stability in Fe (II)/Fe (III)(oxyhydr) oxides

HE Roberts, K Morris, GTW Law… - … science & technology …, 2017 - ACS Publications
Understanding interactions between radionuclides and mineral phases underpins site
environmental cleanup and waste management in the nuclear industry. The transport and …

Incorporation and retention of 99-Tc (IV) in magnetite under high pH conditions

TA Marshall, K Morris, GTW Law… - … science & technology, 2014 - ACS Publications
Technetium incorporation into magnetite and its behavior during subsequent oxidation has
been investigated at high pH to determine the technetium retention mechanism (s) on …

Influence of thermal treatment on dynamic mode Ⅱ fracture properties of rocks using the short core in compression (SCC) method

X Li, Y Xu, Z Zhan, W Yao, K **a - Theoretical and Applied Fracture …, 2022 - Elsevier
The effect of thermal-induced damage on the dynamic mode II fracture properties is crucial
for evaluating the long-term safety and stability of underground rock-related infrastructures …

Interaction processes at the concrete-bentonite interface after 13 years of FEBEX-Plug operation. Part II: Bentonite contact

R Fernández, E Torres, AI Ruiz, J Cuevas… - … of the Earth, Parts A/B/C, 2017 - Elsevier
The in situ FEBEX experiment performed at the URL in Grimsel (Swizerland) was dismantled
after 18 years of operation. Interface samples between bentonite and a shotcreted concrete …

Comparative study on cementation of cement-mudcake interface with and without mud-cake-solidification-agents application in oil & gas wells

H Hao, J Gu, J Huang, Z Wang, Q Wang, Y Zou… - Journal of Petroleum …, 2016 - Elsevier
Cementing quality is much essential to well completion in the oil and gas industry.
Unfortunately, liquid or gas channelings always occur at cement-formation interface due to …

Mechanistic insights into the dynamics of radionuclides retention in evolved POFA-OPC and OPC barriers in radioactive waste disposal

E Phillip, KS Khoo, MAW Yusof… - Chemical Engineering …, 2022 - Elsevier
Cementitious barriers are widely used in all radioactive waste disposal facilities to ensure
the fulfillment of several safety functions. A realistic quantification of radionuclide retention …

Phosphorus hotspots in pedogenic carbonate coatings determined by zoned microscale arrangement and organo-mineral interactions

SA Schweizer, LCC Hurtarte, C Höschen… - … et Cosmochimica Acta, 2023 - Elsevier
Subsoils of calcareous soils are often characterized by pedogenic carbonate precipitates
coating soil aggregate and rock surfaces. Numerous studies identified the key mechanisms …

Uranium fate during crystallization of magnetite from ferrihydrite in conditions relevant to the disposal of radioactive waste

TA Marshall, K Morris, GTW Law… - Mineralogical …, 2015 - cambridge.org
Uranium incorporation into magnetite and its behaviour during subsequent oxidation has
been investigated at high pH to determine the uranium retention mechanism (s) on formation …