2 edition of Backfilling and Sealing of Radioactive Waste Repositories found in the catalog.
Backfilling and Sealing of Radioactive Waste Repositories
Hay, Anderson Mott
Published
September 1984
by European Communities
.
Written in
| The Physical Object | |
|---|---|
| Format | Paperback |
| ID Numbers | |
| Open Library | OL12906849M |
| ISBN 10 | 9282548260 |
| ISBN 10 | 9789282548264 |
Nuclear and waste activities in Romania Antonius GHEORGHE-SORESCU, Cristian LITESCU, AN&DR Nuclear Agency & Radioactive Waste (AN&DR) 2 CONTENT Legislative and regulatory system Sources of RW The National Strategy for Safe Management of Radioactive Waste Existing and future repositories Baita Bihor Repository Bentonite Backfilling and. Portland cement, used as a solidification, backfill, and construction material, is considered to determine the chemistry of a low and intermediate level radioactive waste repository for very long periods of time. A thermodynamic description of the main constituents of hydrated Portland cement, calcium silicate hydrates (CSH-gels), is by:
Geological Repository Systems for Safe Disposal of Spent Nuclear Fuels and Radioactive Waste, Second Edition, critically reviews state-of-the-art technologies and scientific methods relating to the implementation of the most effective approaches to the long-term, safe disposition of nuclear waste, also discussing regulatory developments and social engagement approaches as major themes. Geological disposal is the preferred option for the final storage of high-level nuclear waste and spent nuclear fuel in most countries. The selected host rock may be different in individual national programs for radioactive-waste management and the engineered barrier systems that protect and isolate the waste may also differ, but almost all programs are considering an engineered by:
Characterisation of Waste Forms: Mechanisms of leaching and corrosions of vitrified radioactive waste forms; Behaviour of vitrified radioactive waste under simulated repository conditions; Radiation thermal and mechanical effects in HLW glass; Behaviour of intermediate-level waste forms in an aqueous environment; waste in deep geological formations. In one of the multi-barrier concepts for preventing the escape of radioactive substances from a high-level nuclear waste repository, the barrier consists of a copper container, compacted bentonite as buffer and backfill (the engineered barrier), and the repository .
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The Backfilling and Sealing of Radioactive Waste Repositories [Hay, Anderson Mott] on *FREE* shipping on qualifying offers. Backfilling and Sealing of Radioactive Waste Repositories [Hay, Anderson Mott] on *FREE* shipping on qualifying offers. In particular, salt rock is one of the materials being considered for the siting of underground repositories for high level radioactive waste.
The sealing of the openings required for waste. The report reflects the general consensus that long lived radioactive wastes can be isolated safely from human environment in such repositories located in deep, geological formations.
One of the most important tasks in the development of underground disposal systems is the plugging of boreholes and the sealing of shafts excavated for either exploratory or operational purposes. A fully coupled thermo-hydromechanical formulation developed to perform numerical analysis of underground repositories in the near field is described.
The formulation is able to take into account the main phenomena that occur in the engineered barrier and immediately adjacent by: 3. Use of Inorganic Sorbents for Treatment of Liquid Radioactive Waste and Backfill of Undergroud Repositories If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more.
Repositories and engineered barriers 95 A Repository design and disposal techniques 97 Β Engineered barriers 99 B.1 HLW container development (COMPAS) Β.2 Backfilling and sealing of radioactive waste repositories Radionuclide migration in the geosphere (MIRAGE) A Actinide and fission product geochemistry.
within the repository. During this stage, the waste is received at the repository, inspected, prepared for disposal, transferred to the underground facility, and emplaced in the various underground openings.
During this period, underground excavation and construction may continue and backfilling and sealing. Mine backfill – an overview Only for private and internal use. Updated: 25 May Page 9 of 15 Fig. 9: Principle sketch of hydraulic backfilling in potash mining industry (Fliß et al.
) Backfilling in radioactive waste repositories In principle backfill in radioactive waste repositories has to fulfil the same functions, but. Sealing of Radioactive Waste Repositories by Nuclear Energy Agency,Nuclear Energy Agency, OECD Publications and Information Centre, distributor] edition, in EnglishPages: E.
Nowak, “The Backfill Barrier as a Component in a Multiple Barrier Radioactive Waste Isolation System”, Sandia Laboratories Report SAND79– (). Google Scholar Cited by: What Lies Beneath. Buried deep under an island in the Baltic, the world’s first permanent nuclear-waste repository is nearing completion.
If all goes according to plan, future generations may. of Radioactive Waste: Technological Implications for Retrievability No. NW-T Guides INTERNATIONAL ATOMIC ENERGY AGENCY VIENNA ISBN –92–0––2 ISSN – 76 pages, mm 1 In Germany, the former potash and rock salt mine Morsleben is so far the only underground repository for radioactive waste operated on the basis of the Atomic Act.
Inthe Morsleben repository was licensed by the authorities of the former German Democratic Republic for the disposal of low- and intermediate-level waste. "Demonstration of Gas-Permeable Seals for Radioactive Waste Repositories: Laboratory and In-Situ Experiments." Proceedings of the ASME 14th International Conference on Environmental Remediation and Radioactive Waste Management.
ASME 14th International Conference on Environmental Remediation and Radioactive Waste Management, Parts A Cited by: 1. The paper summarises the studies that have been performed in Spain as regards the selection and characterisation of clays suitable for sealing and backfilling of radioactive waste repositories.
Proceedings of the 7th International Conference on the Mechanical Behavior of Salt (SaltMech7). Paris: Balkema, Rotterdam (). [2] W.
Bechthold et al., Backfilling and Sealing of Underground Repositories for Radioactive Waste in Salt (BAMBUS Project), European Atomic Energy Community, Report EUR EN (). [3] : L. Blanco Martin, J.
Rutqvist, J. Birkholzer. The backfilling and sealing of radioactive waste repositories Volume 2 Figures — Tables — Appendices Report EUREN Commission of the European Communities nuclear science and technology The backfilling and sealing of radioactive waste repositories Volume 2 Figures — Tables — Appendices Mott, Hay & Anderson Consulting Engineers.
Backfill materials surrounding waste canisters in a high-level nuclear waste repository are capable of ensuring very slow flow of groundwater past the canisters, and thereby increase the safety of the repository.
However, in the design of a repository it will be necessary to allow for possible changes in the backfill. On Rad. Waste Disp., Section 6, Backfill and Sealing of Repositories, 6 p. Workshop 1: RWM Backfill Integrated Project: Knowledge Banking Workshop 51 Milton Hill House, Steventon, Abingdon Salt concrete (ERAM).
Multibarrier systems are commonly proposed for effective isolation of highly radioactive waste (HLW). Presently considered concepts take the host rock as a barrier claiming it to retard migration of possibly released radionuclides from HLW containers to the biosphere.
This capacity is small unless water-bearing fracture zones intersecting the blasted waste-containing tunnels and excavation Cited by: 4.A deep geological repository for nuclear waste requires the backfilling and sealing of shafts and galleries to block any preferential path for radioactive contaminants.
The paper presents the coupled hydromechanical analyses of an in situ test carried out in the HADES underground laboratory in Cited by: method for dealing with long-lived radioactive waste.
Engineered geologic disposal means emplacement of the waste in repositories constructed deep underground in suitable geologic media.
Thus the waste is contained, and safety assured by passive barriers with multiple safety.
