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The Application of Fracture Mechanics to the Safety Assessment of Transport Casks for Radioactive Materials

  • BAM is the responsible authority in Germany for the assessment of the mechanical and thermal design safety of packages for the transport of radioactive materials. The assessment has to cover the proof of brittle fracture safety for package components made of potentially brittle materials. This paper gives a survey of the regulatory and technical requirements for such an assessment according to BAM's new 'Guidelines for the application of ductile cast iron for transport and storage casks for radioactive materials'. Based on these guidelines, higher stresses than before will be permissible, but it is necessary to put more effort into the safety assessment procedure. The fundamentals of such a proof using the methods of fracture mechanics are presented. The recommended procedure takes into account the guidelines of the IAEA's advisory material which are based on the prevention of crack initiation. Examples of BAM's research and safety assessment practices are given. Recommendations forBAM is the responsible authority in Germany for the assessment of the mechanical and thermal design safety of packages for the transport of radioactive materials. The assessment has to cover the proof of brittle fracture safety for package components made of potentially brittle materials. This paper gives a survey of the regulatory and technical requirements for such an assessment according to BAM's new 'Guidelines for the application of ductile cast iron for transport and storage casks for radioactive materials'. Based on these guidelines, higher stresses than before will be permissible, but it is necessary to put more effort into the safety assessment procedure. The fundamentals of such a proof using the methods of fracture mechanics are presented. The recommended procedure takes into account the guidelines of the IAEA's advisory material which are based on the prevention of crack initiation. Examples of BAM's research and safety assessment practices are given. Recommendations for further developments towards package designs with higher acceptable stress levels will conclude the paper.zeige mehrzeige weniger

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Autor*innen:Uwe Zencker, Karsten Müller, Bernhard Droste, Roland Rödel, Holger Völzke
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Packaging, transport, storage & security of radioactive materials (RAMTRANS)
Jahr der Erstveröffentlichung:2004
Verlag:Ramtrans Publ.
Verlagsort:Ashford
Jahrgang/Band:15
Ausgabe/Heft:3-4
Erste Seite:191
Letzte Seite:198
Freie Schlagwörter:BAM GGR 007; Cask design; Ductile iron; Fracture mechanics; Safety assessment
DOI:10.1179/174650904775295847
ISSN:1746-5095
ISSN:1746-5109
ISSN:0957-476X
Verfügbarkeit des Dokuments:Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")
Bibliotheksstandort:Sonderstandort: Publica-Schrank
Bibliotheksstandort:ZJ 123
Datum der Freischaltung:19.02.2016
Referierte Publikation:Nein
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