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).
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Session Overview |
| Date: Monday, 25/Nov/2024 | |||
| 8:30am - 10:00am |
Registration |
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| 10:00am - 10:30am |
Opening ceremony Location: Eilenriedehalle B |
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| 10:30am - 12:00pm |
Plenary #1: National Case Studies Location: Eilenriedehalle B Chair: Stéphan Schumacher, Andra, France Chair: Maarten Van Geet, ONDRAF/NIRAS, Belgium Invited Keynote: Irina Gaus (Nagra, Switzerland) "Optimisation of Clay based Repository Concepts_from site selection to operations"
Invited Keynote Optimisation of Clay based Repository Concepts_from site selection to operations 11:00am - 11:20am Safety-driven site selection in Switzerland: the earth-science basis for the deep geological repository 11:20am - 11:40am German site selection –clay rock related implementation and considerations 11:40am - 12:00pm Site Descriptive Models as a tool to develop subsurface understanding in mudrock environments: A UK perspective |
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| 12:00pm - 12:30pm |
2 min poster presentation #1 Location: Eilenriedehalle B |
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| 12:30pm - 1:30pm |
Lunch Break Location: Eilenriedehalle A |
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| 1:30pm - 2:30pm |
Poster exhibition #1 Location: Eilenriedehalle A An Assessment Strategy for the Evaluation of Radionuclide Migration from Potential Repositories in Claystone CIGEO project - Analysis of the effect of segmental lining joints on the tunnel mechanical behaviour during the operational phase and over the long term Adapting disposal concepts to reflect emerging UK geologiccal environments New data on the compositional-structural characteristics of the Opalinuston Formation from Southern Germany: Facies-based investigations and mineralogical analyses Effects of ionic strength on cation exchange selectivities of Ca(II), Mg(II), K(I) for Na(I) in compacted and dispersed montmorillonite Geochemical investigation of veins and evidence for paleo fluid flow in Opalinus Clay Determination of hydraulic parameters of deep low-permeability mudrocks using hydraulic packer test borehole data Comparison of the clay mineralogy of fault and host rocks in the Opalinus Clay, Switzerland CO2 Long-term Periodic Injection Experiment (Mont Terri URL): Introduction to the in-situ experiment and results of the first phase Extraction, Quantification and Isotopic Characterisation of Gases Dissolved in Porewater of Argillaceous Rocks - Method Comparison and Evaluation GeM-DB – A basis for planning surface exploration programs Particle sizing with non-spherical particles Influence of Rescue Chambers on the Design of Geological Repositories in Clay MiniSandwich experiment – performance test in laboratory of a bentonite-based shaft sealing system Long term monitoring of physical and chemical parameters of a ce-mento-bentonitic filling material (CBFM) and of corrosion potential of a horizontal pipe made of carbon steel, submerged by the CBFM into a sealed cell of underground gallery Multi-scale modelling of the Sandwich experiment in Mont Terri Study on the construction of disposal scenarios and a tentative migration modelling of cesium for the final disposal of radioactive-ly contaminated waste outside of Fukushima Prefecture All‑solid‑state reference electrode based on lithium lanthanum tita-nium oxide (LLTO) for the long term monitoring of nuclear waste dis-posals Direct Mineral Content Prediction from Drill Core Images via Transfer Learning OpenWorkFlow - Open-source synthesis-platform for safety in-vestigations in the site selection process DEVELOPMENT AND USE OF THE THERMOCHIMIE DATABASE Investigating the Effects of Small Organic Molecules on the Adsorption of Uranyl on Clay Minerals with Molecular Dynamics Numerical investigation of pore characteristics in spherical and platelet particle beds Influence of salinity gradients on the diffusion of water and ionic species in dual porosity clay samples Diffusion experiment (36Cl, 3H) across concrete/claystone interface Long Term Safety studies at EDF with code_saturne Interaction of groundwater in crystalline rock and a compacted bentonite buffer Migration of caesium decreases with increasing compaction of MX-80 bentonite Impact of temperature on the transfer of mobile tracers in the Toarcian clayrock at the Tournemire URL Diffusion of Np through Illite du Puy Optimizing Wellbore Sealing with Japanese Na-Bentonite: In-sights from Two Vertical Wells at Grimsel Test Site, Switzerland Experimental and modelling study of the hydro-chemo-mechanical behaviour of sand bentonite mixtures in hyperalkaline conditions Reactive Transport Modelling of Material Interface Evolution in the HLW Near-field Understanding the Effect of Indigenous Microorganisms in Bentonite on the Biocorrosion of Metal Canisters, for the Final Disposal of Nuclear waste (Under Relevant DGR Conditions) Cation exchange parameters for Opalinus Clay and its confining units Geochemical alteration in selected bentonites affected by thermal interaction with steel and saline solution hydration Iron-bentonite interaction in a water-saturated low temperature environment: mineralogy and microstructure Mineralogical evolution of COx claystone during in situ MCO experiment Anoxic corrosion of carbon steel in different cementitious media and high temperature conditions: comparison between laboratory test and in situ experiment results Redox buffering by iron-bearing clay minerals in the ferrous iron/smectite system Modelling the reactive transport processes in unsaturated clay barriers – inclusion of capillary geochemistry Microbial ecology of engineered barrier components of a deep geological repository for used nuclear fuel Steel corrosion and reactive transport model in bentonite for predicting spent fuel disposal package lifetime Experimental study of swelling and permeability of a Bavarian bentonite, Friedland clay, and Opalinus clay at 35–150 °C A new experimental system for studying gas formation and release during laboratory rock core heating experiments Temperature Influence on Swelling Pressure of Ca-Bentonite up to 150 °C The CHENILLE experiment: Coupled beHaviour undErstaNdIng of fauLts: from the Laboratory to the fiEld COCONS: A numerical tool for Thermo-Hydro-Mecanical dimensioning of a deep geological repository High Level Waste area HotBENT at the Grimsel Test Site - Early THMC evolution of a buffer at up to 200°C Thermo-hydraulic characterization of bentonite in partially saturated conditions at two temperature levels Identification of key parameters in coupled thermal-hydraulic analysis model for unsaturated Kunigel V1 bentonite Thermally Aged (165oC-200oC) Bentonite Performance Swelling, outflow, and permeability characteristics of bentonite in NaCl solutions of various concentrations Modelling air convection in a segmented buffer Mineralogical and geotechnical characterization of two German bentonites from Westerwald and Bavaria Implications of groundwater composition on the performance of ben-tonite components in nuclear waste disposal facilities The alteration of bentonite in contact with carbon steel Numerical analysis of the re-saturation of bentonites under isothermal and non-isothermal conditions using a double-porosity model Numerical Modelling of Volume Change Behaviour in Bentonite Buffer Exposed to Thermo-Hydraulic Gradients Shear resistance of bentonite with non-uniformity distribution in suction Verification of Von Mises and modified Cam clay models’ imple-mentation using analytical solutions. Triaxial tests simulation. Reactive transport models of the interactions of corrosion products and unsaturated FEBEX bentonite in laboratory and in situ tests The impact of NaNO3 on the diffusion of dissolved gases in clay Modelling of mock-up tests for bentonite seals Gas transport along granite/bentonite interfaces A study on buffer-material erosion under constant water head condition Filling efficiency of mono-sized pellets for sealing boreholes for a wide range of borehole-to-pellet diameter ratios Gas in radwaste deep geological repositories: example from Bure URL in clay rich formation Particle size evolution of granular bentonite on wetting and loading Gas Transport in the Barrier – Lessons learnt from BenVaSim-II, EURAD-GAS and DECOVALEX2023 Role of poromechanical couplings in gas fracturing around an excavation Impact of Heterogeneity in 3D THM-G Modelling of Laboratory to Field-Scale Tests in the Context of Nuclear Waste Repository Design Assessment of the effect of heterogeneities on the hydromechanically coupled behavior of two German bentonites |
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| 2:30pm - 3:50pm |
PS #1: EDZ related processes Location: Roter Saal Chair: Johanna Lippmann-Pipke, Bundesanstalt für Geowissenschaften und Rohstoffe, BGR, Germany Chair: Christophe Nussbaum, swisstopo, Switzerland Design of HLW emplacement drifts in the Swiss deep geological repository in squeezing conditions 2:50pm - 3:10pm Influence of geological and geotechnical boundary conditions on the host rock behavior – experiences from the twin niches in Mont Terri 3:10pm - 3:30pm Non-isothermal behavior of excavation damaged zone around deep radioactive waste disposal 3:30pm - 3:50pm Pore-water pressure response and permeability evolution around excavations in claystone beyond the EDZ |
PS #2: Bentonite stability Location: Bonatz Saal Chair: Lucie Hausmannova, SÚRAO, Czech Republic Chair: Patrik Sellin, SKB, Sweden Advances on investigation of chemical effects on the hydro-mechanical behavior of compacted bentonite 2:50pm - 3:10pm Five years of evolution in the mineralogy and chemistry of Milos bentonite caused by a saline (Na-Ca-Cl) hydration front against a heat source 3:10pm - 3:30pm Kinetics of rehydration in smectites and bentonites 3:30pm - 3:50pm Cementation effect on one-dimensional swelling deformation property of bentonite ore |
PS #3: Radionuclide diffusion and sorption Location: Blauer Saal Chair: Erika Anne Cornelia Neeft, COVRA, Netherlands, The Chair: Thorsten Schäfer, Friedrich-Schiller-Universität Jena, Germany In-situ radionuclides diffusion experiment in a thermal gradient in the sandy facies of Opalinus Clay 2:50pm - 3:10pm A batch and diffusion investigation of the mobility of selenide into the Callovo-oxfordian argillite 3:10pm - 3:30pm DIFFUSION AND RETENTION OF DIVALENT TRANSITION METAL TRACERS IN COMPACTED ILLITE CONVERTED TO DIFFERENT CATIONIC FORMS 3:30pm - 3:50pm Predictive modelling of radionuclide sorption on Boom Clay |
| 3:50pm - 4:20pm |
Coffee Break Location: In front of the lecture halls |
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| 4:20pm - 6:00pm |
PS #4: Repository projects and programmes Location: Roter Saal Chair: Astrid Göbel, BGE, Germany Chair: Shigeru Kubota, Nuclear Waste Management Organization of Japan, Japan BGR research on claystone in the Mont Terri rock laboratory 4:40pm - 5:00pm Nagra’s post-closure safety case for the general license application 5:00pm - 5:20pm Demonstration testing program on backfill system for the post-closure phase of the French radioactive waste disposal 5:20pm - 5:40pm Design of concrete-based segmental liners for a potential German HLW/SF repository in claystone 5:40pm - 6:00pm Excavation of the Konrad 2 shaft landing station in a clay and marl claystone: numerical modelling of excavation and support measures |
PS #5: Geological setting and clay host rock Location: Bonatz Saal Chair: Mieke De Craen, SCK CEN / EURIDICE, Belgium Chair: Amade Halasz, PURAM, Hungary Hydrogeological model of northern Switzerland 4:40pm - 5:00pm Geotechnical clay core characterisation for deep geological disposal of radioactive waste in the Netherlands 5:00pm - 5:20pm Calibrated clay formation characterization using multi-scale data, clustering and stochastic approaches 5:20pm - 5:40pm Characterizing claystone with NMR logs as repository host rock. 5:40pm - 6:00pm Self-Sealing of the Mont Terri Opalinus Clay Main Fault following a Mesoscale Activation Experiment |
PS #6: Clay-iron/-cement interaction Location: Blauer Saal Chair: Reiner Dohrmann, LBEG, Germany Chair: Mika Olavi Niskanen, Posiva Oy, Finland Preliminary study of iron-clay interactions in clay samples col-lected in the Kiirunavaara iron mine, Kiruna, northern Sweden 4:40pm - 5:00pm The microbial community in bentonites B27 and GMZ and its in-fluence on cast iron corrosion 5:00pm - 5:20pm Modelling the evolution of a bentonite-cementitious backfilling grout for HLW disposal cell 5:20pm - 5:40pm Evolution upon contact with water of a bentonite-cement backfilling grout: insights from laboratory and in situ mineralogical characteriza-tions and from geochemical modelling 5:40pm - 6:00pm In-situ long-term interactions between different concrete formulas and COx claystone in a deep disposal context |
| 6:00pm - 8:00pm |
Networking event / Get-together Location: Eilenriedehalle A |
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