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Din avgränsning ger 215 träffar.

• 2014:39 Technical Note, “Wormhole” and Multiple Loss of Buffer Safety Function Scenarios

  safety functions. The “wormhole” scenario was hypothesized during the SSM Workshop on “What-if” Canister Corrosion and was based on FEP BU07 “piping and erosion of the bentonite buffer” scenario. The subsequent ... subsequent analysis found that the penetration time of the copper canister based on hypothetical size and location of the pipe is shorter than previously predicted. Note that the corrosion analysis was...

  Innehållstyp: Publikationer

• 2012:15 Technical Note, A review of the mechanical integrity of the canister

  has been conducted with respect to the mechanical integrity of the canister. The review is focused on the copper canister and the nodular cast iron insert. Review results show that a number of loads and ... these properties on the mechanical integrity of the canister is investigated. It is also suggested that potential damage mechanisms influencing these properties are further investigated. SKB´s modelling of...

  Innehållstyp: Publikationer

• 2012:34 Technical Note, Review of FEP Handling in the SR-Site Safety Assessment: Initial Review Phase

  On 16th March 2011 the Swedish Nuclear Fuel and Waste Management Company, SKB, submitted applications for licences to construct a spent nuclear fuel encapsulation facility in Oskarshamn and a repository ... encapsulated fuel in Forsmark. SKB’s applications are currently being reviewed by the Swedish Radiation Safety Authority, SSM, and the Land and Environmental Court in Nacka. SSM is undertaking a phased review...

  Innehållstyp: Publikationer

• 2014:48 Technical Note, Independent assessment of groundwater sulphide content in the long-te

  canister lifetime analysis on a distribution of measured sulphide concentrations which are assumed to apply throughout the long-term analysis period. The distribution is based on expert judgement in the selection ... regarded as representative. The objective of this report is to make an assessment of the validity of SKB’s approach. Sulphide in groundwater derives from biogeochemically-mediated redox transformation of sulphate...

  Innehållstyp: Publikationer

• 2012:42 Technical Note, Initial review of physical properties and processes of the buffer and backfill – Installation and initial state

  briefly summarises the proposed designs and functions of the buffer and backfill, and examines SKB’s progress in manufacturing, installing and testing its proposed solutions. In brief, the review suggests ... to do with the buffer and backfill materials on which further research and development will be needed – more detailed review of these areas is suggested. SSM should also consider more detailed review of...

  Innehållstyp: Publikationer

• 2012:54 Technical Note, Initial Review Phase for SKB´s safety assessment SR-Site: Geological structures and deformation zones, from site investigation to safety assessment

  where the rock is composed of granite-like rocks (granites and granodiorites). The fold is bordered on each side, i.e. to the northeast and southwest, by subvertical regional brittle deformation zones (DZ) ... the target area there are steeply dipping regional DZ mainly trending WNW, NW and ENE. Sven A. Tirén SSM English The site selected by the Swedish Nuclear Fuel and Management Co (SKB) for location of a deep...

  Innehållstyp: Publikationer

• 2023:11 Study of degradation of spent fuel’s structural material and core components under long-term wet storage

  SSM perspective Background Sweden is managing the spent nuclear fuel and core components from its commercial nuclear reactors with a national strategic plan. The fuel and core components are initially ... initially stored at the reactor site. After an on-site storage period to comply with transportation limits on decay heat and radiation, these materials are shipped to the Clab (Central Interim Storage Facility...

  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 SSM’s 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

• 2014:59 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

• 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