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In cooperation with TU Bergakademie Freiberg DBE TECHNOLOGY GmbH organized a workshop on shaft seals for HAW-repositories at September 19, 2012 in Peine (Germany) (ELSA-Workshop)

The shafts of a repository are the only connection between the surface and the underground facilities. Therefore they are of special safety relevance during the operation phase and especially during the post closure phase of a repository. The long-term stable and tight sealing is of high importance for the long-term safety of a repository.In the course of the R&D project „Shaft Seals for HAW Repositories“ (acronym: ELSA), that has been sponsored by the Federal Ministry of Economy represented by the Project Managing Organization Karlsruhe, DBE TECHNOLOGY GmbH and the Institute for Mining and Special Engineering of the Technische Universität Bergakademie Freiberg, invited for a workshop at September 19, 2012 in DBETEC’s headquarters in Peine, Germany. The agen-da dealt with boundary conditions for shaft seals for HAW repositories. At the event 66 representatives of 15 industrial companies, 4 expert organizations and institutions as well as 5 authorities took part. The presentations addressed shaft sealing concepts in salt and clay formations.At the workshop the national and international state of art has been compiled in 12 presentations. In this context, the R&D project „ELSA” was introduced and first results were presented. This project is also connected to the EU-project DOPAS (Demonstration of Plugging and Sealing). At the workshop DBE TECHNOLOGY GmbH gave the following 2 presentations on relevant aspects for design and function proves of shaft seals: •    Requirements for Shaft Seals of HAW repositories•    Function prove for shaft seals of HAW repositories at the example VSG (= Preliminary Safety Assessment Gorleben)All other presentations you can download at www.bergbau.tu-freiberg.de

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Anforderungen an Schachtverschlüsse für HAW-Endlager

Funktionsnachweis für Schachtverschlüsse für HAW-Endlager am Beispiel VSG

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