Degradation Mechanisms in Smectitic Clay for Isolating Radioactive Waste [Elektronisk resurs]
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Pusch, Roland (författare)
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Kasbohm, Jörn (författare)
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Hoang-Minh, Thao (författare)
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Luleå tekniska universitet Institutionen för samhällsbyggnad och naturresurser (utgivare)
- Publicerad: UK : Scientific Press International Limited, 2019
- Engelska.
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Ingår i: Journal of Earth Sciences and Geotechnical Engineering. - 1792-9040. ; 9:3, 115-130
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- Relaterad länk:
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http://www.ltu.se/ (Värdpublikation)
Sammanfattning
Ämnesord
Stäng
- Most of the proposed techniques for chemical shielding of radioactive waste implies use of smectite clay, which degrades according to a well-known scheme. Since such “buffer” clay has to serve for many thousands of years, the mechanisms in the unavoidable long-term degradation process must be understood and accounted for as described in the paper. In addition to conversion of smectite to non-expandable minerals cementation by precipitation of siliceous matter created in the degradation process is of concern since it can reduce the self-sealing capacity of desiccated or mechanically damaged clay.
Ämnesord
- Engineering and Technology (hsv)
- Teknik och teknologier (hsv)
- Engineering and Technology (hsv)
- Civil Engineering (hsv)
- Geotechnical Engineering (hsv)
- Teknik och teknologier (hsv)
- Samhällsbyggnadsteknik (hsv)
- Geoteknik (hsv)
- Geoteknik (ltu)
- Soil Mechanics (ltu)
Genre
- government publication (marcgt)
Indexterm och SAB-rubrik
- Smectite clays
- diffractogram
- radioactive wastes
- montmorillonite
- XRD
- TEM
- Holmehus clay
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