Objective
THE OVERALL OBJECTIVES OF THE GSF CONTRIBUTION TO THE PACOMA PROJECT ARE TO DEVELOP AND DEMONSTRATE PROCEDURES FOR THE RADIOLOGICAL SAFETY ASSESSMENT OF A DEEP REPOSITORY FOR ALPHA-BEARING AND MEDIUM-LEVEL RADIOACTIVE WASTE IN SALT ROCKS.
THE RESEARCH COVERS THE DISPOSAL IN A REPOSITORY MINED IN A SALT DOME. THE REFERENCE REPOSITORY DESIGN WILL BE TAKEN AS A BASIS FOR THE CALCULATIONS. DESIGN VARIANTS AND ALTERNATIVE DISPOSAL CONCEPTS ARE INVESTIGATED. THE RESULTS ARE GIVEN IN TERMS OF RELEASE RATES TO GEOSPHERE AND IN TERMS OF DOSES TO THE INDIVIDUALS AND POPULATIONS.
The overall objective of the Pacoma project was the assessment of the consequences associated with deep disposal of radioactive waste in 3 types of geological formation. The project objective was to develop and demonstrate procedures for radiological safety of repositories in salt domes. The influence of the appropriate choice of the repository design parameters on the whole system has been investigated.
The research covered deterministic calculations for 3 scenarios: the normal evolution scenario with subrosion of the salt dome, the combined brine intrusion scenario with brine intrusion from brine pockets and via an anhydrite vein, and the human intrusion scenario of solution mining of a storage cavern.
For the combined brine intrusion scenario alternative waste inventories, different disposal concepts, variants of the layout of dams and sealings were investigated, and results obtained from variations of parameter values. Additionally, for this scenario, comprehensive probabilistic calculations have been carried out with the help of a Monte Carlo simulation. Results have been obtained in the form of an uncertainty analysis of the maximum dose and global sensitivity studies of system parameters.
The main result of the assessment was that, in the reference case where the reference repository design and the reference disposal concept are applied, deterministic calculations with best estimate values as well as probabilistic calculations do not manifest unacceptable risk. Investigation of alternative concepts and design variants indicate a high potential for system optimisation.
1. DISPOSAL SITE.
2. REPOSITORY DESIGN.
3. SCENARIOS.
4. MODELS
5. CALCULATIONS.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology other engineering and technologies nuclear engineering nuclear waste management
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
85764 NEUHERBERG
Germany
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.