Bedrock Geosciences is a multidisciplinary consultancy which specialises in the field of radioactive waste management and geological sciences sciences

 

Articles

 

Natural immobilization processes aid the understanding of long-term evolution of deep geological radioactive waste repositories
W. Russell Alexander1, Reto Gieré2, Hiroshi Hidaka3 & H. Dora Yoshida4
1 Nagra, 5430 Wettingen, Switzerland (e-mail: russell.alexander@nagra.ch)
2 Albert-Ludwigs-Universität, 79104 Freiburg, Germany
3 Hiroshima University, Hiroshima, Japan
4 Nagoya University, 464-8601 Aichi, Nagoya, Japan

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The chemical basis of near-field containment in the Swiss high-level radioactive waste disposal concept
W.R.Alexander1* & I.G.McKinley2
1 GGWW (Rock-Water Interaction Group), Institutes of Mineralogy-Petrology and Geology, University of Berne, Baltzerstrasse 1, 3012 Berne, Switzerland
2 Nagra (Swiss National Co-operative for the Disposal of Radioactive Waste), Hardstrasse 73, 5430 Wettingen, Switzerland

*corresponding author, present address: Bedrock Geosciences, Switzerland

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W.R.Alexander and A.Moeri, A. (2003) Cementitious colloids: Integration of laboratory, natural analogue and in situ field data. Goldschmidt Conference Abstracts, Geochim. Cosmochim. Acta, 18(S1): A11, 159-160.
Cementitious colloids: integration of laboratory, natural analogue and in situ field data
W.R.Alexander1 and A.Moeri2
1 Nagra, Hardstrasse 73, 5430 Wettingen, Switzerland. (russell@nagra.ch)
2 Geotechnical Institute, Gartenstrasse 13, 3001 Bern, Switzerland (andreas.moeri@geo-online.com)

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ICEM'05 The 10th International Conference on Environmental Remediation and Radioactive Waste Management. September 4-8, 2005, Scottish Exhibition & Conference Centre, Glasgow, Scotland.
Review of international Progress in transuranic and long-lived intermediate level waste disposal.
A. Hooper, Nirex (UK), W. R. Alexander, Nagra (Switzerland), J. Mathieson, Nirex (UK), M. Shiotsuki, JNC (Japan)

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ICEM'05 The 10th International Conference on Environmental Remediation and Radioactive Waste Management. September 4-8, 2005, Scottish Exhibition & Conference Centre, Glasgow, Scotland.
Nagra's Grimsel URL: From underground testing to the demonstration of disposal systems
W. R. Alexander, W. Kickmaier, S. Vomvoris, K. Kaku (Nagra) and I. G. McKinley (McKinley Consulting, Villigen, Switzerland)

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IPHAP: a new natural analogue of bentonite alteration by cement leachates
I.G. McKinley1 W.R. Alexander2, C.A. Arcilla3, H. Kawamura4 Y. Takahashi5
1 McKinley Consulting, Baden/Dättwil, Switzerland
Corresponding author: ian@mckinleyconsulting.ch
2 Bedrock Geosciences, Auenstein, Switzerland
3 University of the Philippines, Quezon City, Philippines
4 Obayashi Corporation, Tokyo, Japan
5 NUMO, Tokyo, Japan

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E.M.Scott (ed), Modelling Radioactivity in the Environment
Chapter 5 Modelling radionuclide transport in the geological environment: a case study from the field of radioactive waste disposal.
W. Russell Alexander1*, Paul A. Smith2 and Ian G. McKinley1
1 Nagra (National Co-operative for the Disposal of Radioactive Waste), Wettingen, Switzerland.
2 SAM (Safety Assessment Management) Ltd, Edinburgh, Scotland, UK.
* now Bedrock Geosciences

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CEMENTITIOUS NATURAL ANALOGUES: SAFETY ASSESSMENT IMPLICATIONS OF THE UNIQUE SYSTEMS IN JORDAN
W.R.Alexander1*+, I.D. Clark2, P.Degnan3#, M.Elie4, G.Kamei5, H.Khoury6, U.Mäder7, A.E.Milodowski8, K.Pedersen9, A.F.Pittyv10, E.Salameh11, J.A.T.Smellie12, I.Techer13 and L.Trotignon14.
1. Bedrock Geosciences, Veltheimerstrasse 18, 5105 Auenstein, Switzerland. tel. +41 62 897 0538, email russell@bedrockgeosciences.com 2. Department of Earth Sciences, University of Ottawa, 365 Nicholas, Ottawa, Ontario, Canada K1N 6N5. tel. +1 613-562-5800 x6834, fax. +1 613-562-5192, email idclark@uottawa.ca 3. CSIRO Exploration & Mining, Queensland Centre for Advanced Technologies, Technology Court, Pullenvale, Qld 4069, Australia. tel. +61 7 3327 4174, fax. +61 7 3327 4455, email paul.degnan@btinternet.com 4. G2R, Nancy-Université, CNRS BP 239, 54506 Vandoeuvre Cedex, France. tel. +33 383 684 739, fax. +33 383 684 701, e-mail Marcel.Elie@g2r.uhp-nancy.fr 5. JAEA, Geological Isolation Research and Development Directorate, 4-33 Muramatsu, Tokai-mura, Ibaraki-ken, 319-1194, Japan.tel. +81-29-282-1111 ext.67700, fax. +81-282-9328, email kamei.gento@jaea.go.jp 6. Department of Geology, University of Jordan, Amman 11942 Jubeiha, Jordan. tel. +962 6 5341879, fax. +962 6 5348932, e-mail khouryhn@ju.edu.jo 7. Rock-Water
Interaction Group, Institute of Geological Sciences, The University of Berne, Baltzerstrasse 3, 3012 Berne, Switzerland. tel: +41 31 631 45 63, fax: +41 31 631 48 43, e-mail: urs@geo.unibe.ch 8. British Geological Survey, Kingsley Dunham Centre, Keyworth, Nottingham, NG12 5GG, UK. tel +44 1159 363548, fax: +44 1159 363200, email aem@bgs.ac.uk 9. Göteborg University, Dept. of Cell and Molecular Biology, Box 463, 405 30 Göteborg, Sweden. tel. +46 31 786 25 78, fax.
+46 31 335 13 07, email karsten.pedersen@cmb.gu.se 10. Pitty Consulting, 17 Black Horse Opening, Norwich, Norfolk, NR3 4EP, U.K. tel. +44 1603 410231, email alistair.pitty@btinternet.com 11. University of Jordan, Amman 11942 Jubeiha, Jordan. tel. +962 6 5355 000 ext. 22261, fax +962 6 5348 932, email salameli@ju.edu.jo 12. Conterra AB, Box 8180, 104 20 Stockholm, Sweden. tel/fax. +46-8-6500355, email john.smellie@conterra.se 13. CNRS UMR 6635 Labo GISCEREGE, 150 rue Georges Besses, Parc G. Besse, 30035 Nimes Cedex 1, France. tel. +33 4 66 70 99 73, fax. +33 4 66 70 99 89, email: isabelle.techer@unimes.fr 14. CEA, Cadarache, 13108 St Paul lez Durance, France. email trotignon@desdcad.cea.fr

*To whom any correspondence should be addressed.

+Formerly Nagra, Wettingen, Switzerland.

#Formerly Nirex, Harwell, UK.

 

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A new natural analogue study of the interaction of low-alkali cement leachates and the bentonite buffer of a radioactive waste repository
W. Russell Alexander1 , Carlo A. Arcilla2 , Ian G. McKinley3, Hideki Kawamura4 , Yoshiaki Takahashi5, Kaz Aoki6 and Satoru Miyoshi4
1 Bedrock Geosciences, Auenstein, Switzerland. 2 National Institute of Geological Sciences, University of the Philippines, Quezon City, Philippines. 3 McKinley Consulting, Dättwil, Switzerland. 4 Obayashi, Tokyo, Japan. 5 NUMO, Tokyo, Japan. 6 RWMC, Tokyo, Japan.

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WM’06 Conference, February 26- March 2, 2006, Tucson, AZ
INTERNATIONAL PROGRESS IN DEVELOPING CASES FOR LONG-TERM SAFETY OF REPOSITORIES FOR TRANSURANIC AND LONG-LIVED INTERMEDIATE LEVEL WASTES SUMMARY OF THE THIRD INTERNATIONAL WORKSHOP
J. Mathieson, A. Hooper
Nirex, Curie Avenue, Harwell Didcot Oxon, OX11 0RH, UK
W. R. Alexander,
Nagra, Hardstrasse 73, 5430 Wettingen, Switzerland
M. Shiotsuki and G. Kamei
JAEA, 4-49 Muramatsu, Tokai-mura, Ibaraki 319-1184, Japan

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