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1 results

  • Radionuclide diffusion into undisturbed and altered crystalline rocks

  • V. Havlová, P. Večerník, J. Najser, K. Sosna, K. Breiter
  • Journal:
    Mineralogical Magazine / Volume 76 / Issue 8 / December 2012
    Published online by Cambridge University Press:
    05 July 2018, pp. 3191-3201
    • Article
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  • An extensive set of porosity, ε, effective diffusion coefficient, D e, and hydraulic conductivity, K, data were obtained from 45 granitic samples from the Bohemian Massif, Czech Republic. The measured dataset can be used to define parameter ranges for data to be used in safety assessment calculations for a deep (>400 m) radioactive waste repository, even though the samples originated from shallower depths (<108 m). The dataset can also be used for other purposes, such as evaluating the migration of contaminants in granitic rock (e.g. from shallow intermediate-level radioactive waste repositories and chemical waste repositories).

    Sample relaxation and ageing processes should be taken into account in research otherwise migration parameters might be overestimated in comparisons between lab results and those determined in situ.