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Radioactive Waste Confinement: Clays in Natural and Engineered Barriers

Product Code: SP443
Series: GSL Special Publications
Author/Editor: Edited by S. Norris, J. Bruno, M. Van Geet and E. Verhoef
Publication Date: 04 May 2017
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Description

Special Publication 443

It is internationally accepted that the safest and most sustainable option for managing radioactive waste is geological disposal, utilizing both engineering and geology to isolate the waste and contain the radioactivity.

This Special Publication contains 25 scientific studies presented at the 6th conference on ‘Clays in natural and engineered barriers for radioactive waste confinement’ held in Brussels, Belgium in 2015. The conference and this resulting volume cover many of the aspects of clay characterization and behaviour considered at various temporal and spatial scales relevant to the confinement of radionuclides in clay, from basic phenomenological process descriptions to the global understanding of performance and safety at repository and geological scales.

The papers in this volume consider research into argillaceous media under the following topic areas: large-scale geological characterization; general strategy for clay-based disposal systems; geomechanics; mass transfer; bentonite evolution and gas transfer. The collection of different topics presented in this Special Publication demonstrates the diversity of geological repository research.

Published online 21/04/2017. Print copies available from 04/05/2017.

Type: Book
Ten Digit ISBN:
Thirteen Digit ISBN: 9781786202734
Publisher: GSL
Binding: Hardback
Pages: 376
Weight: 1 kg

Contents

Introduction

Large-scale geological characterization

Vandersteen, K., Leterme, B. & Gedeon, M. 2016. Regional aquifer hydrogeochemistry in the confined aquifer system below the Boom Clay (NE Belgium): data analysis and modelling.

Gravesen, P., Pedersen, S.A.S., Nilsson, B. & Binderup, M. 2016. An assessment of Palaeogene and Neogene clay deposits in Denmark as possible host rocks for final disposal of low- and intermediate-level radioactive waste.

General strategy for clay-based disposal systems

Doudou, S., Harvey, E.J., Richardson, P.J., Wickham, S.M., Van Marcke, P., Raymaekers, D. & Wacquier, W. 2016a. Approaches to evaluate and underpin the technical feasibility of the Belgian disposal concept.

Doudou, S., White, M.J., Johnson, M., Bosgiraud, J.-M. & Grahm, P. 2016b. DOPAS full-scale experiments: approaches to compliance assessment.

Svoboda, J., Pacovský, J., Dvořáková, M., Hanusová, I., Večerník, P. & Trpkošová, D. 2016. DOPAS EPSP experiment.

Trpkošová, D., Večerník, P., Gondolli, J., Havlová, V., Svoboda, J. & Hanusová, I. 2016. Laboratory experiments on bentonite pellet saturation.

Geomechanics

Shao, H., Göthling, S., Liu, W., Hesser, J., Morel, J. & Sönnke, J. 2016a. Quantitative characterization of the excavation damaged zone fracture network in the Meuse/Haute-Marne Underground Research Laboratory: in situ experiment and numerical interpretation of helium injection test.

Su, X., Nguyen, S., Haghighat, E., Pietruszczak, S., Labrie, D., Barnichon, J-D. & Abdi, H. 2016. Characterizing the mechanical behaviour of the Tournemire argillite.

Guayacán-Carrillo, L.-M., Sulem, J., Seyedi, D.M., Ghabezloo, S., Noiret, A. & Armand, G. 2016. Convergence analysis of an unsupported micro-tunnel at the Meuse/Haute-Marne Underground Research Laboratory.

Alcolea, A., Kuhlmann, U., Marschall, P., Lisjak, A., Grasselli, G., Mahabadi, O., de La Vaissière, R., Leung, H. & Shao, H. 2016. A pragmatic approach to abstract the excavation damaged zone around tunnels of a geological radioactive waste repository: application to the HG-A experiment in Mont Terri.

Shao, H., Paul, B., Wang, X., Hesser, J., Becker, J., Garitte, B. & Müller, H. 2016b. The influence of different supports on the properties of the excavation damaged zone along the FE tunnel in the Mont Terri Underground Rock Laboratory.

Mass transfer

M'Jahad, S., Davy, C.A., Skoczylas, F. & Talandier, J. 2016. Characterization of transport and water retention properties of damaged Callovo-Oxfordian claystone.

Jean-Baptiste, P., Lavielle, B., Fourre, E., Smith, T. & Pagel, M. 2016. Vertical distribution of helium and 40Ar/36Ar in porewaters of the Eastern Paris Basin (Bure/Haute-Marne): constraints on transport processes through the sedimentary sequence.

Kolomá, K. & Červinka, R. 2016. Study of 85Sr transport through a column filled with crushed granite in the presence of bentonite colloids.

Aertsens, M., Van Laer, L., Maes, N. & Govaerts, J. 2016. An improved model for through-diffusion experiments: application to strontium and tritiated water (HTO) diffusion in Boom Clay and compacted illite.

Meng, S. & Pfingsten, W. 2016. Multispecies random walk simulations in radial symmetry: model concept, benchmark, and application to HTO, 22Na and 36Cl diffusion in clay.

Schaedle, P., Kaempfer, T., Pépin, G., Wendling, J. & Brommundt, J. 2016. Combining high-resolution two-phase with simplified single-phase simulations in order to optimize the performance of PA/SA simulations for a deep geological repository for radioactive waste.

Toprak, E., Olivella, S. & Pintado, X. 2016. Coupled THM modelling of engineered barriers for the final disposal of spent nuclear fuel isolation.

Bildstein, O., Lartigue, J-É., Schlegel, M.L., Bataillon, C., Cochepin, B., Munier, I. & Michau, N. 2016. Gaining insight into corrosion processes from numerical simulations of an integrated iron-claystone experiment.

Bentonite evolution

Kröhn, K-P. 2016. Bentonite re-saturation: different conceptual models – similar mathematical descriptions.

Dolder, F., Mäder, U., Jenni, A. & Münch, B. 2016. Alteration of MX-80 bentonite backfill material by high-pH cementitious fluids under lithostatic conditions – an experimental approach using core infiltration techniques.

Reijonen, H.M. & Marcos, N. 2016. Chemical erosion of the bentonite buffer: do we observe it in nature?

Gas transfer

Bénet, L-V., Blaud, É. & Wendling, J. 2016. Modelling of water and gas flow through an excavation damaged zone in the Callovo-Oxfordian argillites in the framework of a single porosity model.

Smutek, J., Hausmannova, L. & Svoboda, J. 2016. The gas permeability, breakthrough behaviour and re-sealing ability of Czech Ca–Mg bentonite.

Jacops, E., Maes, N., Bruggeman, C. & Grade, A. 2016. Measuring diffusion coefficients of dissolved He and Ar in three potential clay host formations: Boom Clay, Callovo-Oxfordian Clay and Opalinus Clay.

 

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