Abstract.
The feasibility of storing radioactive waste in low permeable clays is studied extensively nowadays. Fracturing and healing of fractures is of great importance as they determine to a large extent the buffering properties for the transport of radionuclides. The research presented studies micro-fracturing and healing by recording acoustic emission in triaxial loading laboratory tests. The results show that increasing time delays between two successive loading cycles has an increasing effect on the recorded acoustic pattern. Future simulations with a boundary element code might enable to link the results closer to the mechanisms of micro-fracturing and self-healing.
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Debecker, B., Vervoort, A., Verstraelen, J., Wevers, M. Self-healing of Fractures around Radioactive Waste Disposal in Clay Formations. In: Hack, R., Azzam, R., Charlier, R. (eds) Engineering Geology for Infrastructure Planning in Europe. Lecture Notes in Earth Sciences, vol 104. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-39918-6_25
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DOI: https://doi.org/10.1007/978-3-540-39918-6_25
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