Seismic Design and Verification of a Nuclear Power Plant Structure for the Storage of Radioactive Waste Components

Conference paper

Abstract

Seismic design and qualification of safety and/or radiological relevant structures for Swiss NPPs are subjected to rigorous procedures. Structures have to meet high safety standards, be robustly designed and therefore cover a wide range of parameter uncertainties both on seismic action and capacity side. In the framework of a wide Facility Power Retrofit at the Swiss Leibstadt NPP the Project ZENT (acronym of radioactive waste storage building) aims to erect two new structures on the site. Due to operational and radiological reasons, these new structures have to be built very close respectively above to the already mentioned existing structures. One structure has to be founded on piles above the existing NPP main cooling pipelines. Approval of this new seismic foundation system by Swiss Federal Nuclear Safety Inspectorate (ENSI) required extended seismic design. This paper attempts to describe the analyses performed by the Owner for seismic qualification and verification of structural integrity at planning stage.

Keywords

Ductility Boiling Gravel 

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Copyright information

© Springer Fachmedien Wiesbaden 2014

Authors and Affiliations

  1. 1.Nuclear DivisionAxpo Power AGBadenSwitzerland
  2. 2.Cervenka Consulting Ltd.PragueCzech Republic

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