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W.BrewitzEuradwaste_041 Site Specific RTD (BfS) Characterisation of the Gorleben Site moratorium (max. 10 ys) Applied Basic RTD (BMWA) RTD on Radwaste.

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Presentation on theme: "W.BrewitzEuradwaste_041 Site Specific RTD (BfS) Characterisation of the Gorleben Site moratorium (max. 10 ys) Applied Basic RTD (BMWA) RTD on Radwaste."— Presentation transcript:

1 W.BrewitzEuradwaste_041 Site Specific RTD (BfS) Characterisation of the Gorleben Site moratorium (max. 10 ys) Applied Basic RTD (BMWA) RTD on Radwaste Disposal in Germany New site selection envisaged by BMU on the basis of AkEnd recommendations Works in URLs with respect to coupled processes (THM-C) Development of measuring and monitoring techniques Determination of safety related data on backfill and sealing Development of a coherent geochemical data base for RN sorption and retention Development / testing of tools and methodologies for IPA

2 W.BrewitzEuradwaste_042 Isolation time about 1 mio years Hydraulic conductivity of isolating rocks less than m/s Very slow GW-movement at repository level High retention capacity of rocks Good gas / temperature - compatibility Favourable rock-mechanic conditions Low tendency of water flow path formation Good predictability with respect to spatial extension and rock mass homogeneity AkEnd – Geological Criteria for Site Selection

3 W.BrewitzEuradwaste_043 RTD on mudrock and bentonite buffer clay-based buffer and sealing materials mudrocks as host rocks buffer in near-field sealing plugs/dams saturation behaviour gas diffusion thermomechanical reactions application of results in PA EU - project BENIPA NEA - IGSC Clay Club AMIGO in granite (Äspö, FLG) in rock salt (Sonders- hausen) in mudrocks (Mt. Terri, Bure, Tournemire) in clay (HADES)

4 W.BrewitzEuradwaste_044


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