Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

 
Only Sessions at Location/Venue 
 
 
Session Overview
Location: Roter Saal
Date: Monday, 25/Nov/2024
2:30pm - 3:50pmPS #1: EDZ related processes
Location: Roter Saal
Session Chair: Johanna Lippmann-Pipke, Bundesanstalt für Geowissenschaften und Rohstoffe, BGR, Germany
Session Chair: Christophe Nussbaum, swisstopo, Switzerland
 
2:30pm - 2:50pm
ID: 383 / PS #1: 001

Design of HLW emplacement drifts in the Swiss deep geological repository in squeezing conditions

Julia Leuthold1, Linard Cantieni1, Peter Kirchhofer2

1Nagra, Switzerland; 2AFRY Schweiz AG, Switzerland

383-Leuthold-Design of HLW emplacement drifts in the Swiss deep geological repository.pdf


2:50pm - 3:10pm
ID: 294 / PS #1: 002

Influence of geological and geotechnical boundary conditions on the host rock behavior – experiences from the twin niches in Mont Terri

Gesa Ziefle1, Tuanny Cajuhi1, Stephan Costabel1, Antoine Fourriere1, Markus Furche1, Jana Gerowski1, Bastian Graupner2, Jürgen Hesser1, David Jaeggi3, Kyra Jantschik4, Tilo Kneuker1, Olaf Kolditz5,6, Herbert Kunz1, Jobst Maßmann1, Andreas Möri3, Christian Ostertag-Henning1, Marc Wengler7

1Bundesanstalt für Geowissenschaften und Rohstoffe (BGR), Germany; 2Eidgenössisches Nuklearsicherheitsinspektorat (ENSI), Switzerland; 3Bundesamt für Landestopografie (swisstopo), Switzerland; 4Gesellschaft für Anlagen- und Reaktorsicherheit (GRS), Germany; 5Helmholtz-Zentrum für Umweltforschung GmbH (UFZ), Germany; 6Technische Universität Dresden (TU Dresden), Germany; 7Bundesgesellschaft für Endlagerung (BGE), Germany

294-Ziefle-Influence of geological and geotechnical boundary conditions.pdf


3:10pm - 3:30pm
ID: 322 / PS #1: 003

Non-isothermal behavior of excavation damaged zone around deep radioactive waste disposal

Saeed Tourchi1, Arash Lavasan1, Antonio Gens2

1University of Luxembourg; 2Barcelona Tech (UPC)

322-Tourchi-Non-isothermal behavior of excavation damaged zone around deep radioactive waste.pdf


3:30pm - 3:50pm
ID: 348 / PS #1: 004

Pore-water pressure response and permeability evolution around excavations in claystone beyond the EDZ

Álvaro D. Suárez1, Miguel A. Mánica1, Eric Simo2,4, Sandra E. Perales3, Thomas Nagel4

1Institute of Engineering, National Autonomous University of Mexico, Mexico City, Mexico; 2BGE TECHNOLOGY GmbH, Peine, Germany; 3Mextypsa, Mexico City, Mexico; 4Geotechnical Institute, TU Bergakademie Freiberg, Germany

348-Suárez-Pore-water pressure response and permeability evolution around excavations.pdf
 
4:20pm - 6:00pmPS #4: Repository projects and programmes
Location: Roter Saal
Session Chair: Astrid Göbel, BGE, Germany
Session Chair: Shigeru Kubota, Nuclear Waste Management Organization of Japan, Japan
 
4:20pm - 4:40pm
ID: 194 / PS #4: 001

BGR research on claystone in the Mont Terri rock laboratory

Jürgen Hesser, Gesa Ziefle

Federal Institute for Geosciences and Natural Resources, Germany

194-Ziefle-BGR research on claystone in the Mont Terri rock laboratory.pdf


4:40pm - 5:00pm
ID: 198 / PS #4: 002

Nagra’s post-closure safety case for the general license application

Olivier X Leupin1, Ashley Brown1, Valentyn Bykov1, Nikitas Diomidis1, Typhaine Guillemot1, Priska Hunkeler1, Hoda Javanmard1, Thomas Kämpfer2, Xiaoshuo Li1, Paul Marschall1, Lukas Martin1, Alexandros Papafotiou1, Martin Schoenball1, Paul Smith3, Raphael Wüst1

1Nagra, Switzerland; 2Eastern Switzerland University of Applied Sciences; Oberseestrasse 10, 8640 Rap-perswil, Switzerland; 3SAM-LTD, Switzerland

198-Leupin-Nagra’s post-closure safety case for the general license application.pdf


5:00pm - 5:20pm
ID: 429 / PS #4: 003

Demonstration testing program on backfill system for the post-closure phase of the French radioactive waste disposal

Youssef Fawaz1, Rémi de La Vaissière1, Jean Talandier2, Jad Zghondi1, Gilles Armand1

1Andra, Meuse/Haute-Marne Underground Research Laboratory, Bure, France; 2Andra, Châtenay-Malabry, France

429-Fawaz-Demonstration testing program on backfill system for the post-closure phase.pdf


5:20pm - 5:40pm
ID: 357 / PS #4: 004

Design of concrete-based segmental liners for a potential German HLW/SF repository in claystone

Philipp Herold1, Ajmal Gafoor1, Eric Simo1, David Seidel1, Andreas Hucke2, Sven Bock2, Benedikt Wöhrl2, Axel Studeny2

1BGE TECHNOLOGY GmbH, Germany; 2DMT GmbH & Co. KG

357-Herold-Design of concrete-based segmental liners for a potential German HLWSF repository.pdf


5:40pm - 6:00pm
ID: 451 / PS #4: 005

Excavation of the Konrad 2 shaft landing station in a clay and marl claystone: numerical modelling of excavation and support measures

Mirko Polster1, Lothar te Kamp2, Michael Breustedt3, Stephan Gehne3

1BGE Technology, Germany; 2ITASCA, Gelsenkirchen, Germany; 3BGE, Germany

451-Polster-Excavation of the Konrad 2 shaft landing station in a clay and marl claystone.pdf
 
Date: Tuesday, 26/Nov/2024
2:30pm - 3:50pmPS #7: Mineralogical and hydrogeochemical characteristics
Location: Roter Saal
Session Chair: Christophe Tournassat, Universtité d'Orléans (France) / Lawrence Berkeley National Laboratory (USA), France
Session Chair: Johanna Lippmann-Pipke, Bundesanstalt für Geowissenschaften und Rohstoffe, BGR, Germany
 
2:30pm - 2:50pm
ID: 134 / PS #7: 001

Which porosity domains in clay-rich rocks are sampled by squeezing and advective displacement tests?

Mirjam Kiczka1, Martin Mazurek1, Andreas Jenni1, Carmen Zwahlen1, Lukas Aschwanden1, Urs Mäder2, Daniel Traber3

1University of Bern, Switzerland; 2Rock Water Consulting, Boll, Switzerland; 3Nagra, Wetting, Switzerland

134-Kiczka-Which porosity domains in clay-rich rocks are sampled.pdf


2:50pm - 3:10pm
ID: 329 / PS #7: 002

Oxygen isotope exchange between groundwater and calcite unravels million-year long hydrogeochemical evolution of a deep sedimentary aquifer

Christoph Wanner1, Lukas Aschwanden1, Mirjam Kiczka1, Daniel Traber2

1University of Bern, Switzerland; 2NAGRA

329-Wanner-Oxygen isotope exchange between groundwater and calcite unravels million-year long.pdf


3:10pm - 3:30pm
ID: 414 / PS #7: 003

Ab initio MD modelling of Ni2+, Zn2+, and Lu3+ cation adsorption on saponite edge surfaces

Vasyl Stotskyi1,2, Fulvio Di Lorenzo1,2, Maria Marques Fernandes1, Matthias Krack1, Andreas C. Scheinost3,4, Martine Lanson5, Bruno Lanson5, Sergey V. Churakov1,2

1Paul Scherrer institute, Switzerland; 2University of Bern; 33 Helmholtz-Zentrum Dresden-Rosendorf (HZDR), Insitute of Resource Ecology; 4The Rossendorf Beamline (ROBL), European Synchrotron Radiation Fascility (ESRF); 5Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, IRD, Univ. Gustave Eiffel, ISTerre

414-Stotskyi-Ab initio MD modelling of Ni2, Zn2, and Lu3 cation adsorption.pdf


3:30pm - 3:50pm
ID: 449 / PS #7: 004

A XAS study on the effect of ionizing radiation on the redox state of the structural iron in Bentonite clay

Nathan Lavauzelle1, Mats Jonsson2, Michael Holmboe1

1Umeå University, Sweden; 2KTH, Sweden

449-Lavauzelle-A XAS study on the effect of ionizing radiation on the redox state.pdf
 
4:20pm - 6:00pmPS #10: Geochemistry and fluid migration
Location: Roter Saal
Session Chair: Christophe Tournassat, Universtité d'Orléans (France) / Lawrence Berkeley National Laboratory (USA), France
Session Chair: Juan Carlos Mayor, Enresa, Spain
 
4:20pm - 4:40pm
ID: 287 / PS #10: 001

Profiles of natural tracers in porewater of a Mesozoic rock sequence in northern Switzerland

Thomas Gimmi1,2, Paul Wersin1, Lukas Aschwanden1, Jin Ma1, H. Niklaus Waber3, Martin Mazurek1, Carmen Zwahlen1, Christoph Wanner1, Daniel Traber4

1University of Bern, Bern, Switzerland; 2Paul Scherrer Institut, Villigen, Switzerland; 3WaterGeoChem Consulting, Bern, Switzerland; 4NAGRA, Wettingen, Switzerland

287-Gimmi-Profiles of natural tracers in porewater of a Mesozoic rock sequence.pdf


4:40pm - 5:00pm
ID: 359 / PS #10: 002

Quantifying the evolution and transport of helium in porewater across the Mesozoic sedimentary sequence in northern Switzerland

Daniel Rufer1, Jin Ma1, Christoph Wanner1, H. Niklaus Waber2, Daniel Traber3

1University of Bern, Switzerland; 2WaterGeochem Consulting, Bern, Switzerland; 3Nagra, Wettingen, Switzerland

359-Rufer-Quantifying the evolution and transport of helium.pdf


5:00pm - 5:20pm
ID: 288 / PS #10: 003

Transport characteristics and barrier quality of a 134 m thick Opalinus Clay formation in southern Germany obtained from its porewater noble gas profile

Johanna Lippmann-Pipke1, Samuel Niedermann2, Karsten Osenbrück1, Hua Shao1, Daniel Rufer3, Thomas Mann1

1Federal Institute for Geosciences and Natural Resources (BGR), Hannover, Germany; 2German Research Centre for Geosciences (GFZ), Potsdam, Germany; 3University of Bern, Bern, Switzerland

288-Lippmann-Pipke-Transport characteristics and barrier quality of a 134 m thick Opalinus Clay.pdf


5:20pm - 5:40pm
ID: 312 / PS #10: 004

Multiscale experimental comparison of water diffusion by neutron tomography in a porous clay medium partially water-saturated

Lucas Désert1,2,3, Sébastien Savoye3, Emmanuel Tertre1, Alessandro Tengattini4, Arnaud Mazurier1, Baptiste Dazas1, Laurent Michot5, Pierre Henocq2, Christophe Tournassat6, Eric Ferrage1

1Université de Poitiers, IC2MP, France; 2Andra, France; 3CEA, France; 4ILL, France; 5Sorbonne Université, Phénix, France; 6ISTO, France

312-Désert-Multiscale experimental comparison of water diffusion.pdf


5:40pm - 6:00pm
ID: 161 / PS #10: 005

Streamlined modelling approach for transport of natural organic matter linked transport of radionuclides in Boom Clay

Norbert Maes1, Joan Govaerts1, Stéphane Brassinnes2

1SCK CEN, Belgium; 2ONDRAF/NIRAS, Belgium

161-Maes-Streamlined modelling approach for transport of natural organic matter linked.pdf
 
Date: Wednesday, 27/Nov/2024
2:30pm - 3:50pmPS #13: HM Processes
Location: Roter Saal
Session Chair: Wiebke Baille, Ruhr-Universität Bochum, Germany
Session Chair: Xavier Sillen, ONDRAF/NIRAS, Belgium
 
2:30pm - 2:50pm
ID: 189 / PS #13: 001

Hydraulic parameter estimations from borehole testing: evaluating the impact of hydro-mechanical processes in low-permeability clay formations

Luca Urpi1, Rainer Schwarz1, Armin Pechstein2

1CSD Ingenieure AG, Switzerland; 2Nagra, Switzerland

189-Urpi-Hydraulic parameter estimations from borehole testing.pdf


2:50pm - 3:10pm
ID: 285 / PS #13: 002

A physically motivated model concept for the retention behaviour of swelling clayey media in the context of coupled THM simulations

Vinay Kumar1, Steffen Besse1, Thomas Nagel2

1Federal Institute for Geosciences and Natural Resources, Hannover, Germany; 2Technische Universität Bergakademie Freiberg, Freiberg, Germany

285-Kumar-A physically motivated model concept for the retention behaviour.pdf


3:10pm - 3:30pm
ID: 181 / PS #13: 003

Changes in swelling pressure distribution on radially swollen bentonite buffer surfaces

Shinya Tachibana1, Tomohide Takeyama1, Atsushi Iizuka1, Daisuke Hayashi2, Hirohito Kikuchi2, Ryo Yasuda2

1Kobe University, Japan; 2Radioactive Waste Management Funding and Research Center, Japan

181-Tachibana-Changes in swelling pressure distribution on radially swollen bentonite buffer.pdf


3:30pm - 3:50pm
ID: 433 / PS #13: 004

Hydro-mechanical behaviour and microstructural evolution of recompacted Opalinus Clay as backfilling material

Alessio Ferrari1, Qazim Llabjani1, Olivier Leupin2, Lyesse Laloui1

1Swiss Federal Institute of Technology Lausanne (EPFL), Laboratory of Soil Mechanics, Lausanne, Switzerland; 2Nationale Genossenschaft für die Lagerung radioaktiver Abfälle (NAGRA), Wettingen, Switzerland

433-Ferrari-Hydro-mechanical behaviour and microstructural evolution.pdf
 
4:20pm - 6:00pmPS #16: (T)HM experiments
Location: Roter Saal
Session Chair: Patrik Sellin, SKB, Sweden
Session Chair: Wiebke Baille, Ruhr-Universität Bochum, Germany
 
4:20pm - 4:40pm
ID: 154 / PS #16: 001

Novel insights into shales and claystones behaviour: results from recent testing campaigns

Eleonora Crisci1, Silvio Giger2

1Nesol Numerical Engineering Solutions, Lausanne, Switzerland; 2Nagra, National Cooperative for the Disposal of Radioactive Waste, Wettingen, Switzerland

154-Crisci-Novel insights into shales and claystones behaviour.pdf


4:40pm - 5:00pm
ID: 304 / PS #16: 002

Innovative use of distributed fibre optics for assessing the strain field evolution of Opalinus Clay during gas invasion

Qazim Llabjani1, Alessio Ferrari1, Paul Marschall2, Lyesse Laloui1

1Swiss Federal Institute of Technology Lausanne (EPFL), Laboratory of Soil Mechanics, Lausanne, Switzerland; 2Nationale Genossenschaft für die Lagerung radioaktiver Abfälle (NAGRA), Wettingen, Switzerland

304-Llabjani-Innovative use of distributed fibre optics for assessing the strain field evolution.pdf


5:00pm - 5:20pm
ID: 443 / PS #16: 003

Exploring the thermo-hydro-mechanical behaviour of a plastic deep clayey formation under oedometer conditions

Núria Sau1,2, Enrique Romero2,1, Hervé Van Baelen3

1CIMNE, Spain; 2UPC, Spain; 3ONDRAF/NIRAS, Belgium

443-Sau-Exploring the thermo-hydro-mechanical behaviour of a plastic deep clayey formation.pdf


5:20pm - 5:40pm
ID: 279 / PS #16: 004

Hydro-mechanical behaviour of Boom Clay investigated through high capacity consolidated drained triaxial tests.

Sophie De Kock1, Bertrand François1, Frédéric Collin1, Arnaud Dizier2, Séverine Levasseur3

1Université de Liège, Belgium; 2EURIDICE, Mol, Belgium; 3ONDRAF/NIRAS, Bruxelles, Belgium

279-De Kock-Hydro-mechanical behaviour of Boom Clay investigated through high capacity.pdf


5:40pm - 6:00pm
ID: 276 / PS #16: 005

Thermal effects on the drained triaxial compressive and tensile strengths of a transversely isotropic claystone

Chuanrui Wang1, Christophe de Lesquen2, Minh-Ngoc Vu2, Jean Talandier2, Jianfu Shao1

1University of Lille, France; 2Andra, France

276-Wang-Thermal effects on the drained triaxial compressive and tensile strengths.pdf
 

 
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