Unravelling the corrosion processes at steel/bentonite nterfaces in in situ tests

Autor: Paul Wersin, Jebril Hadi, Mirjam Kiczka, Andreas Jenni, Jean‐Marc Grenèche, Nikitas Diomidis, Olivier X. Leupin, Daniel Svensson, Patrik Sellin, Bharti Reddy, Nicholas Smart, Zhidong Zhang

Publikováno v: Wersin, Paul; Hadi, Jebril; Kiczka, Mirjam; Jenni, Andreas; Grenèche, Jean-Marc; Diomidis, Nikitas; Leupin, Olivier X.; Svensson, Daniel; Sellin, Patrik; Reddy, Bharti; Smart, Nicholas; Zhang, Zhidong (2023). Unravelling the corrosion processes at steel/bentonite nterfaces in in situ tests (In Press). Materials and corrosion Wiley 10.1002/maco.202313755
Materials and Corrosion

Microscopic and spectroscopic analyses were conducted on steel/bentonite interface samples removed from four in situ experiments that were carried out in three underground research laboratories at different temperatures and under different hydraulic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fdf022f3716a5d9a56fde5b93a007d35
https://boris.unibe.ch/183216/1/Materials_Corrosion_-_2023_-_Wersin_-_Unravelling_the_corrosion_processes_at_steel_bentonite_interfaces_in_in_situ_tests.pdf

Coupling of chemical and hydromechanical properties in bentonite: A new reactive transport model

Autor: Mika Niskanen, Bukunmi Akinwunmi, Tapani A. Pakkanen, R. López-Vizcaíno, Johannes C.L. Meeussen, Ángel Yustres, Janne T. Hirvi, Andreas Jenni, Paul Wersin, Eveliina Muuri, Vicente Navarro, Urs Mäder

Publikováno v: Jenni, Andreas; Meeussen, Johannes C.L.; Pakkanen, Tapani A.; Hirvi, Janne T.; Akinwunmi, Bukunmi; Yustres, Ángel; Navarro, Vicente; López-Vizcaíno, Rubén; Muuri, Eveliina; Niskanen, Mika; Wersin, Paul; Mäder, Urs (2021). Coupling of chemical and hydromechanical properties in bentonite: A new reactive transport model. Applied Clay Science, 214(106274), p. 106274. Elsevier 10.1016/j.clay.2021.106274
RUIdeRA. Repositorio Institucional de la UCLM
instname

The reactive transport framework ORCHESTRA was used to implement a dual porosity reactive transport system that accounts for mechanical processes relevant for confined swelling clays at full saturation. The new implementations are based on water rete

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e4784391feb42a2e0a43b8ec2020597
https://boris.unibe.ch/159357/1/1-s2.0-S0169131721002982-main.pdf

Potential impact of cementitious leachates on the buffer porewater chemistry in the Finnish repository for spent nuclear fuel – A reactive transport modelling assessment

Autor: Marja Vuorio, Barbara Pastina, Ralf Lamminmäki, Paul Wersin, Andreas Jenni, Marek Pekala

Publikováno v: Pekala, Marek; Wersin, Paul; Pastina, Barbara; Lamminmäki, Ralf; Vuorio, Marja; Jenni, Andreas (2021). Potential impact of cementitious leachates on the buffer porewater chemistry in the Finnish repository for spent nuclear fuel – A reactive transport modelling assessment. Applied geochemistry, 131, p. 105045. Elsevier 10.1016/j.apgeochem.2021.105045

Cementitious materials will be used during the construction and operation of a geological repository for spent nuclear fuel at Olkiluoto in Finland. Upon contacting water, cement dissolution will generate high-pH leachates, which might eventually rea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54e3b169fcd9ba369529df382e879a52

Interaction of Corroding Iron with Eight Bentonites in the Alternative Buffer Materials Field Experiment (ABM2)

Autor: Daniel Svensson, Paul Wersin, Jean-Marc Greneche, Patrik Sellin, Andreas Jenni, Jebril Hadi, Olivier X. Leupin

Publikováno v: Wersin, Paul; Hadi, Jebril; Jenni, Andreas; Svensson, Daniel; Greneche, Jean-Marc; Sellin, Patrik; Leupin, Olivier (2021). Interaction of Corroding Iron with Eight Bentonites in the Alternative Buffer Materials Field Experiment (ABM2). Minerals, 11(8), p. 907. MDPI 10.3390/min11080907
Minerals
Volume 11
Issue 8
Minerals, Vol 11, Iss 907, p 907 (2021)

Bentonite, a common smectite-rich buffer material, is in direct contact with corroding steel in many high-level radioactive waste repository designs. The interaction of iron with the smectite-rich clay may affect its swelling and sealing properties b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52482afa8d40dbf2b326d484d35b0165
https://doi.org/10.3390/min11080907

In situ interactions between Opalinus Clay and Low Alkali Concrete

Autor: Andreas Jenni, Stéphane Gaboreau, Veerle Cloet, Fabienne Warmont, Catherine Lerouge, Urs Mäder, Sylvain Grangeon, Francis Claret

Publikováno v: Lerouge, Catherine; Gaboreau, Stéphane; Grangeon, Sylvain; Claret, Francis; Warmont, Fabienne; Jenni, Andreas; Cloet, Veerle; Mäder, Urs (2017). In situ interactions between Opalinus Clay and Low Alkali Concrete. Physics and chemistry of the earth, 99, pp. 3-21. Elsevier 10.1016/j.pce.2017.01.005
Physics and Chemistry of the Earth, Parts A/B/C
Physics and Chemistry of the Earth, Parts A/B/C, Elsevier, 2017, 99, pp.3-21. ⟨10.1016/j.pce.2017.01.005⟩

International audience; A five-year-old interface between a Low Alkali Concrete (LAC) formulation (CEM III/ B containing 66% slag and 10% nano-silica) and Opalinus Clay (OPA) from a field experiment at Mont Terri Underground Rock Laboratory in Switze

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e620ab8a61ffd9a3eb4427780811fc3
https://doi.org/10.1016/j.pce.2017.01.005