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  • 2014:05 Technical Note, Assessment of flows to deposition holes – Main Review Phase

    SKB’s conceptual model for flow through the fractured rock at Forsmark is based on a division between highly fractured deformation zones (described in terms of deterministic geometry), and the more sparsely ... these assumptions on flows to deposition holes is judged to be minor, compared with uncertainties in the model for the more sparsely fractured rock. This assessment focuses mainly on the statistical model...

    Innehållstyp: Publikationer
  • 2012:71 Identification of Brittle Deformation Zones and Weakness Zones

    Company’s (SKB) license application for disposal of spent nuclear fuel, Swedish Radiation Safety Authority (SSM) is conducting studies to evaluate the performance of the multi-barrier principle on which ... concepts of “respect distances” and “full perimeter intersection criteria” developed by SKB are based on the understanding of fracture extension and the definition of deformation zones. A common methodology...

    Innehållstyp: Publikationer
  • 2014:59 Technical Note, Relation between earthquake magnitude, fracture length and fracture shear displacement in the KBS-3 repository at Forsmark – Main Review Phase

    spent nuclear fuel at the Forsmark site. Two sources of threat are: i) events due to thermal loading on the rock mass by the heat from canisters with spent nuclear fuel, and ii) seismic events, i.e. earthquakes ... the shear displacement on rock fractures induced either by the effect of thermal loading, or by an earthquake at a nearby deformation zone, or by the combination of the two. In SKB’s safety assessment SR-Site...

    Innehållstyp: Publikationer
  • 2009:29e Swedish national plan for the management of all radioactive waste

    joint action group. The views of the joint action group and the Swedish Radiation Safety Authority on existing problems with the management of radioactive waste have formed the basis for the prioritized ... direction for society’s continued work with the management of all radioactive waste. This report is also available in Swedish: 2009:29 Nationell plan för allt radioaktivt avfall SSM SSM English The Swedish...

    Innehållstyp: Publikationer
  • 2012:26 Technical Note, Initial review of chemical and erosional processes within the buffer and backfill - Chemical erosion processes

    of sufficiently high quality overall to justify further consideration in the Main Review Phase of SSMs PCS (Post-closure safety) project. Several specific topics for which complementary information and ... Arthur SSM English The SR-Site documentation relevant to this review topic was found to be of sufficiently high quality overall to justify further consideration in the Main Review Phase of SSM’s PCS (Post-closure...

    Innehållstyp: Publikationer
  • 2014:33 Technical Note, Reproduction of SKB’s Canister Failure Calculations - What-If and ‘Residual’ Scenario to Illustrate Barrier Functions

    this Technical Note is to evaluate SKB’s what‑if analysis for reproducibility of results and identify any shortcomings by probing SKB’s modelling approach, based on what can be inferred from SKB reports ... system’s behaviour, so that we will be able to find any potential shortcomings in the SKB model and identify aspects that may have not been considered by SKB. Sitakanta Mohant and Osvaldo Pensado SSM English...

    Innehållstyp: Publikationer
  • 2024:09 General data in accordance with the requirements in Article 37 of the Euratom Treaty

    Cyclife Sweden AB SSM perspective This report has been completed by the Swedish Radiation Safety Authority, SSM, mainly based on information provided by the license holder, Cyclife Sweden AB. SSM has controlled ... of expansion of operations (from 5 600 tonnes to 10 600 tonnes) within Cyclife Sweden AB, situated on the Studsvik Tech Park in Sweden. The purpose of the document is to serve as information for the European...

    Innehållstyp: Publikationer
  • 2011:31 Allocation of Decommissioning and Waste Liabilities

    financial assets in the Swedish Nuclear Waste Fund. Adequate funding will provide forthcoming generation’s with the financial means to decommission and dismantle older nuclear facilities that are part of the ... accumulated total will balance the future environmental liabilities. SSM undertakes reviews of crucial questions that may have an effect on these provisions. In order to enhance transparency and thereby introduce...

    Innehållstyp: Publikationer
  • 2014:08 Technical Note, Review of Long-Term Redox Evolution of Groundwater and Potential Influence of Oxygenated Glacial Meltwater in SR-Site

    The Swedish Radiation Safety Authority (SSM) is reviewing an application submitted by the Swedish Nuclear Fuel and Waste Management Company (SKB) in 2011 to construct, possess, and operate a deep geologic ... to determine if SKB’s representation of future redox conditions in a deep geologic repository at the Forsmark site is defensible and whether there are factors unaccounted for in SKB’s analysis that may significantly...

    Innehållstyp: Publikationer
  • 2013:16 Technical Note, Assessment of PWR fuel depletion and of neutron multiplication factors for intact PWR fuel copper canisters – main review phase

    the influence of reactor depletion on keff of intact PWR fuel in an intact PWR copper canister flooded with water. The review has, as far as possible, been based on general information in the licensing ... The review method validation is primarily based on keff and reactivity benchmarks rather on composition benchmarks as used by SKB. Dennis Mennerdahl SSM English SKB (Svensk Kärnbränslehantering AB) in...

    Innehållstyp: Publikationer