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Din avgränsning ger 10 träffar.

• 2013:35 Technical Note, Rock Mechanics – Confidence of SKB’s models for predicting the occurrence of a damage zone around the excavations – Main Review Phase

  This assignment, performed at Southwest Research Institute, focusses on evaluating SKB’s assessment of potential occurrence of damaged rock zones (also referred to as excavation-damaged zone or EDZ) around ... excavations at the site. This report presents the authors’ evaluation of SKB’s assessment in the specific area based on questions raised by SSM. The evaluation includes independent calculations by the authors using...

  Innehållstyp: Publikationer

• 2013:14 Approaches used for Clearance of Lands from Nuclear Facilities among Several Countries – Evaluation for Regulatory Input

  SSM has recently established new regulations for clearance of materials, rooms, buildings and land (SSMFS 2011:2). The regulations specify that license holders for practices involving ionising radiation ... rooms and buildings, but give no information on levels to be used for the clearance of land. Instead, it is stated that SSM shall decide on clearance levels on a case by case basis and that the license holder...

  Innehållstyp: Publikationer

• 2013:36 Technical Note, Review and assessment of aspects of the Qeq concept – Main Review Phase

  Waste Management Company (SKB) developed to represent transport of dissolved constituents in the near field at the Forsmark site, in particular the Qeq abstraction for diffusive transport. SKB uses the Qeq ... in order to estimate dissolved-species fluxes from the far-field environment to the canister surface and from a canister breach to the far field. To accomplish the review assignment, we (i) reviewed relevant...

  Innehållstyp: Publikationer

• 2013:33 Technical Note, Seismology – Frequencies and mechanisms. -Initial review phase

  The Swedish Radiation Safety Authority (SSM) reviews the Swedish Nuclear Fuel Company’s (SKB) applications under the Act on Nuclear Activities (SFS 1984:3) for the construction and operation of a repository ... As part of the review, SSM commissions consultants to carry out work in order to obtain information on specific issues. The results from the consultants’ tasks are reported in SSM’s Technical Note series...

  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

• 2013:27 Numerical simulations of headed anchors break in reinforced and non-reinforced concrete structures

  349-06 code open up today for a more detailed analysis where the beneficial impact of reinforcement on anchor capacity can be taken into account. How this analysis can be done is, however, not explicitly ... sufficient reinforcement is present. The objective of the project is to study the effect of reinforcement on the concrete breakout capacity of cast in headed bolts in concrete structures by numerical simulations...

  Innehållstyp: Publikationer

• 2013:26 Degradering av berg, förstärkningar och injektering i tunnlar

  Kärnbränslehantering AB:s anläggningar (SKB) samt Strålsäkerhetsmyndighetens tillsyn av dessa. Kunskap om degraderingsmekanismer och de associerade undermarkmiljöerna är ett viktigt verktyg för SSM:s fortsatta tillsyn ... undermarksanläggningar med långa drifttider samt för granskning av drift- och långsiktig säkerhet för SKB:s planerade anläggningar i Forsmark. I berganläggningarna SFR och Clab uppstår med tiden miljörelaterade...

  Innehållstyp: Publikationer

• 2013:20 Terrestrial Biosphere Modelling of C-14 Research

  biosphere cannot be used satisfactorily for 14C. In 2011, the Swedish Radiation Safety Authority (SSM) commissioned a study to develop a 14C model of the soil-plant-atmosphere system that would provide ... performance of the model for the soil sub-system. Laura Limer, Richard Kłos, George Shaw and Russell Walke SSM English The need to address radiological impacts from 14C released to the biosphere has been recognized...

  Innehållstyp: Publikationer

• 2013:34 Technical Note, Seismology – Post-glacial seismicity and paleoseismology at Forsmark

  Metoden som SKB använder för att förutse seismisk risk för slutförvaret skiljer sig i två avseenden från gängse förfarande. För det första, ... som förutses under glacial period och högre frekvenser under post-glaciala perioder. James McCalpin SSM English Metoden som SKB använder för att förutse seismisk risk för slutförvaret skiljer sig i två avseenden...

  Innehållstyp: Publikationer

• 2013:28 Brine intrusion by upconing for a high-level nuclear waste repository at Forsmark. Scoping calculations

  The objective of this study is to evaluate the possibility of salt-water migration to the spent nuclear repository. This objective is motivated by the adverse impacts of water with too high ... of brine-type waters after only one to a few decades. Georg A. Lindgren, Clifford Voss, Joel Geier SSM English The objective of this study is to evaluate the possibility of salt-water migration to the spent...

  Innehållstyp: Publikationer