Modelling of hydrodynamic and solute transport with consideration of the release of low-level radioactive substances
2021
Abstract. When nuclear power plants are
dismantled, only a small portion is heavily contaminated with radioactivity
and must be stored in a repository. The remaining material, mainly concrete
rubble (construction waste), is decontaminated if necessary and can be stored
in conventional surface landfills after clearance. The focus of this work is
on the modelling of such landfills and the radioactive substances during
raining events. The influence of the heterogeneous nature of the construction
rubble should also be investigated. The simulation environment
DuMu x , mainly developed by our institute, is used to compare
different modelling approaches. It follows a previous work by Merk (2012). The research work is supported and accompanied by the Federal Office for
Radiation Protection (BfS). Parts of the research initiatives of the BfS in
the area of clearance of materials with negligible radioactivity are also
presented.
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