In-depth characterisation of a mixture composed of powder/pellets MX80 bentonite

• Published in: Applied clay science Vol. 135; pp. 538 - 546
• Main Authors: Molinero Guerra, Agustín, Mokni, Nadia, Delage, Pierre, Cui, Yu-Jun, Tang, Anh Minh, Aimedieu, Patrick, Bernier, Frédéric, Bornert, Michel
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.01.2017; Elsevier
• Subjects: Civil Engineering; Engineering Sciences; Géotechnique; Heterogeneous pellet/powder bentonite mixture; Materials; Mercury intrusion porosimetry; Microstructure; Radioactive waste disposal; Scanning electron microscopy; Sealing plug; X-ray computed microtomography; Sealing plug; Scanning electron microscopy; Heterogeneous pellet/powder bentonite mixture; Mercury intrusion porosimetry; X-ray computed microtomography; Microstructure; Radioactive waste disposal; scanning electron microscopy; microstructure; mercury intrusion porosimetry; radioactive waste disposal; sealing plug; heterogeneous pellet/powder bentonite mixture

Mixtures made up of bentonite powder and pellets are a possible candidate for making sealing plugs used in deep radioactive waste disposal due to their low permeability, high swelling capacity, favourable properties with respect to radionuclide retention and operational advantages in terms of placem...