| Issue |
E3S Web Conf.
Volume 195, 2020
4th European Conference on Unsaturated Soils (E-UNSAT 2020)
|
|
|---|---|---|
| Article Number | 04001 | |
| Number of page(s) | 6 | |
| Section | Special Session on Energy Geotechnics | |
| DOI | https://doi.org/10.1051/e3sconf/202019504001 | |
| Published online | 16 October 2020 | |
Numerical simulation of a water infiltration test on a proposed backfill material in nuclear waste repositories
1 Ruhr-Universität Bochum, Chair of Foundation Engineering, Soil and Rock Mechanics, Universitätstr. 150, 44780 Bochum, Germany
2 Delft University of Technology, the Netherlands, Building 23, Stevinweg 1 2628 CN Delft, The Netherland
3 ArGEnCo, University of Liege, Quartier Polytech 1, Allee de la decouverte 9 - Batiment B52 4000 Liege, Belgium
* e-mail: abhishrawat@gmail.com
A water infiltration test was numerically simulated using the finite element method. The modified Barcelona Basic Model and the double-structure water retention model was used for the numerical analysis. A methodology is presented for parameter identification and calibration purpose. The experimental results highlighted the porosity redistribution and hydration-induced heterogeneity along the hydration-path. The simulation results successfully captured the moisture migration in the soil sample. A comparison between the measured and predicted total stress values revealed the influence of interfacial friction between the soil sample and cell wall.
© The Authors, published by EDP Sciences 2020
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