Din avgränsning ger 110 träffar.
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2014:59 Technical Note, Relation between earthquake magnitude, fracture length and fracture shear displacement in the KBS-3 repository at Forsmark – Main Review Phase
This study addresses one of several scenarios that could impair the physical integrity of the repository of spent nuclear fuel at the Forsmark site. Two sources of threat are: i) events due to thermal ... thermal loading on the rock mass by the heat from canisters with spent nuclear fuel, and ii) seismic events, i.e. earthquakes, at the nearby deformation zones and zones intersecting the repository area. The effect...
Innehållstyp: Publikationer -
2014:58 Technical Note, Rock Mechanics - Assessing probability and extent of blind faults and fault-end growth around the KBS-3 repository at Forsmark – Main Review Phase
To get a general understanding of the stability conditions of the fault and deformation zone inventory at Forsmark a reactivation potential analysis was carried out. At present-day stress conditions the ... Any changes in stress, and in particular increase of differential stress on deformation zones, might cause slip. Therefore, several stress field models have been considered in this study. In general, steeply...
Innehållstyp: Publikationer -
2014:57 Technical Note, Issues in the Corrosion of Copper in a Swedish High Level Nuclear Waste Repository: Phase III. Role of Sulphide Ion in Anodic and Cathodic Processes
important findings of this research project show that: In the case when the bentonite buffer between the copper canister and the granitic rock is not damaged, we can neglect the possibility of general corrosion ... corrosion damage being a threat to canister integrity over a 100,000 year storage period. However, if the bentonite buffer is damaged for any reason, and does not act as an engineered barrier, it is predicted...
Innehållstyp: Publikationer -
2014:56 Seismic design and analysis of safety-related nuclear structures in Sweden
The report presents the historical development of the seismic design for the U.S., France and Sweden with special focus on issues related to severe earthquakes beyond the design basis as well as important ... report provides recommendations on a revised model for seismic hazard assessments, on minimum requirements for seismic analysis of safety-related nuclear structures in Sweden as well as some recommendations...
Innehållstyp: Publikationer -
2014:54 Technical Note, Further Modelling Comparison of Simple Reference Biosphere Models with the LDF Modelling Approach – Main Review Phase
further use of simple reference biosphere models for SSM’s review of the Landscape Dose Factor (LDF) approach adopted by SKB in the SR‑Site safety assessment for the proposed final disposal of spent nuclear ... review and are described in Walke (2014), along with comparisons against SKB’s LDF modelling approach. The current study had two objectives. Firstly, to extend SSM’s simple models of the Forsmark site to...
Innehållstyp: Publikationer -
2014:55 Technical Note, Further Reproduction of SKB’s Calculation Cases and Independent
Som en del av säkerhetsanalysen SR-Site presenterar SKB modellresultat som illustrerar kapseln och buffertens säkerhetsfunktioner. I var och en av de fem beräkningsfallen är delar ... av de fem beräkningsfallen är delar av kapsel och/eller buffert frånvarande i modellen av slutförvarssystemet. Modellresultaten jämförs inte med säkerhetskriterier eftersom beräkningsfallen innehåller...
Innehållstyp: Publikationer -
2014:53 Översyn av systemet med diagnostiska referensnivåer
till att optimera sina röntgenundersökningar är det nationella systemet med diagnostiska standarddoser och referensnivåer. Sedan systemet infördes i Sverige år 2002 har stråldosen till patienten i medeltal ... medeltal halverats för de röntgenundersökningar som ingår i systemet. Strålsäkerhetsmyndigheten tillsatte den 1 februari 2013 en utredning med uppgift att ta fram ett underlag till revideringen av Stråls...
Innehållstyp: Publikationer -
2014:51 Report from SSM’s scientific council on ionizing radiation within oncology, 2013. MR in radiotherapy - an important step towards personalised treatment?
radiotherapy and the development of new imaging modalities is closely linked to the evolution of modern radiotherapy. The implementation of magnetic resonance imaging (MRI) in modern radiotherapy holds great ... emphasizes that it must be carefully monitored in order to minimize the introduction of new risks, violating patient safety. This report describes the use of MRI in the radiotherapy process from patient selection...
Innehållstyp: Publikationer -
2014:50 Technical Note, A Study of Availability of Fuel Data for Sweden’s Spent Nuclear Fuel
The study covers all types spent fuel ... planned to be placed in the final repository. It was carried out by selecting a sample of spent fuel and investigating the information available at the Nuclear Power Plants (NPP’s) in Sweden, the Central...
Innehållstyp: Publikationer -
2014:48 Technical Note, Independent assessment of groundwater sulphide content in the long-te
sulphide content is a key factor in the determination of canister lifetimes because of its role in corrosion of copper. SKB has based the canister lifetime analysis on a distribution of measured sulphide ... expert judgement in the selection of samples that are regarded as representative. The objective of this report is to make an assessment of the validity of SKB’s approach. Sulphide in groundwater derives...
Innehållstyp: Publikationer