|Other titles||An analysis on the use of engineered barriers for geologic isolation of spent fuel in a reference salt site repository|
|Statement||M.O. Cloninger, C.R. Cole, J.F. Washburn ; prepared for the Office of Nuclear Waste Isolation under its contract with the U.S. Department of Energy|
|Contributions||Cole, C. R, Washburn, J. F, Pacific Northwest Laboratory, United States. Dept. of Energy, Battelle Memorial Institute. Office of Nuclear Waste Isolation|
|The Physical Object|
|Pagination||1 v. (various pagings) :|
These proceedings present the main findings from, and the papers delivered at, the fourth NEA-EC workshop on Engineered Barrier Systems (EBS), which took place in Tokyo, Japan, in September This final workshop of the series focused on strategies and methods to demonstrate that EBS designs will fulfill he relevant requirements for long. 12 Summary ¾NRC study on engineered containment systems is coming ¾Relevance to many federal agencies» Encourage participation» If not $, then provide experience and perspective ¾Points of contact» NRC: Anne Linn ([email protected] or )» EPA: Kelly Madalinski (@ or ) David Carson (@ or . Increasing understanding and confidence in THM simulations of Engineered Barrier Systems Authors: Annika Schäfers, Dr.-Ing. x. Search for articles by this author the study helped increase the confidence in the modelling capabilities of several codes used for safety evaluations of repositories for spent fuel and high-level radioactive : SchäfersAnnika, GensAntonio, Rodriguez-DonoAlfonso, BaxterSteven, TsitsopoulosVasileios, HoltonDavid. systems, the barriers include the natural geological barrier and the engineered barrier system (EBS). The EBS may itself comprise a variety of sub-systems or components, such as the waste form, container, buffer, backfill, seals and plugs. The Integration Group for the Safety Case (IGSC) of the Nuclear Energy Agency (NEA).
isolate the waste from the biosphere. This multi-barrier principle creates an overall system robustness that enhances confidence that the waste will be successfully contained. The multi-barrier system typically comprises the natural (geological) barrier provided by the repository host rock and its surroundings, and an engineered barrier system. The Engineered Barrier System status report is part of a suite of research status reports describing the science and technology underpinning geological disposal of . ACCIDENT ANALYSIS AND BARRIER FUNCTIONS Abstract. This report presents an analysis of the barrier concept, as it has been used in accident analysis. On the most basic level, the function of a barrier is either to prevent an action from taking place, or protect the system and the people in it from the consequences. The first barrier in the multiple-barrier system is the fuel pellet. Fuel pellets are made from uranium dioxide powder, baked in a furnace to produce a hard, high-density ceramic. Ceramics are extremely durable; they do not readily dissolve in water, and their resistance to wear and high temperatures make them one of the most durable engineered.
This chapter presents an overview of engineered barrier systems, including the types of wastes that are contained by barrier systems, the regulations that govern barrier systems, and the variety of components and configurations that comprise barrier systems. USING ENGINEERED BARRIERS AS REMEDIAL OPTIONS TO PREVENT OR MITIGATE GROUNDWATER CONTAMINATION AND THEIR ELIGIBILITY UNDER THE ACCP FUND I. PURPOSE OF GUIDANCE The focus of this guidance is on the use of engineered barriers (i.e. asphalt, concrete or geomembranes) to reduce infiltration through soil contaminated with File Size: 48KB. Concrete in Engineered Barriers for Radioactive Waste Disposal Facilities: Phenomenological Study and Assessment of Long Term Performance. systems involving constant pore geo metry update due to. Geological Repository Systems for Safe Disposal of Spent Nuclear Fuels and Radioactive Waste, also discussing methods of site surveying and construction. The critical safety issue of engineered barrier systems is the focus of Part Three, with coverage ranging from nuclear waste canisters, to buffer and backfill materials. Lastly, Parts Four.