| Issue |
E3S Web Conf.
Volume 9, 2016
3rd European Conference on Unsaturated Soils – “E-UNSAT 2016”
|
|
|---|---|---|
| Article Number | 11006 | |
| Number of page(s) | 6 | |
| Section | Water Retention Properties | |
| DOI | https://doi.org/10.1051/e3sconf/20160911006 | |
| Published online | 12 September 2016 | |
Estimation of water retention behaviour of MX-80 bentonite partially saturated with saline solution
1 Department of Civil and Environmental Engineering, School of Engineering, Aalto University, P.O.Box 12100, FI-00076, Espoo, Finland
2 Université de Pau et des Pays de l’Adour, UFR Sciences Côte Basque - Bâtiment ISABTP, Laboratoire SIAME, Allée du Parc Montaury, 64600, Anglet, France
3 B+Tech Oy, Laulukuja 4, FI-00420 Helsinki, Finland
a Corresponding author: wojciech.solowski@aalto.fi
The water retention behaviour of partially saturated MX-80 bentonite with pure water is relatively well investigated. However, in practical cases, the water contains a number of chemical compounds which affects the bentonite behaviour. In particular, bentonite is used in buffer applications of geological repositories for spent nuclear fuel, where the concentration of total dissolved solids in groundwater is expected to increase significantly with time. This paper investigates water retention behaviour of MX-80 type bentonite partially saturated with deionised water as well as 1M NaCl solution. In the experiments the specific volume of bentonite has been kept approximately constant.
© The Authors, published by EDP Sciences, 2016
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