Experimental and numerical study of the T-H-M behaviour of compacted FEBEX bentonite in small-scale tests

Advances in Understanding Engineered Clay Barriers - Proceedings of the International Symposium on Large Scale Field Tests in Granite

Volumn , Issue , 2005, Pages 323-335

  Villar, M V ^a   Sanchez M ^b   Lloret, A ^b   Gens, A ^b   Romero, E ^b  

^a CIEMAT   (Spain)

^b UNIVERSITAT POLITÈCNICA DE CATALUNYA   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

BOTTOM SURFACES; CLAY BARRIERS; CYLINDRICAL CELLS; DRY DENSITY; ENGINEERED BARRIERS; HIGH LEVEL RADIOACTIVE WASTE DISPOSAL; NUMERICAL CODE; NUMERICAL STUDIES; SMALL-SCALE TESTS; THERMO-HYDRAULIC; TOP SURFACE; TOTAL LENGTH; WATER INTAKES;

CYTOLOGY; GRANITE; INLET FLOW; POROUS MATERIALS; RADIOACTIVE WASTE DISPOSAL; SURFACES; WATER INJECTION;

BENTONITE;

EID: 55949113126     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (15)

1. Alonso, EE, Gens, A & Josa, A (1990) A constitutive model for partially saturated soils. Géotechnique 40: 405-430.
2. ENRESA (1995) Almacenamiento geológico profundo de residuos radiactivos de alta actividad (AGP). Disenos conceptuales genéricos. Publicacion Técnica ENRESA 11/95. Madrid, 105 pp. (In Spanish).
3. ENRESA (1998) FEBEX. Bentonite: origin, properties y fabrication of blocks. Publicacion Técnica ENRESA 05/98. Madrid, 146 pp.
4. ENRESA (2000) Full-scale engineered barriers experiment for a deep geological repository for high-level radioactive waste in crystalline host rock (FEBEX project). Nuclear Science and Technology Series, EUR 19147. Commission of the European Communities. Luxembourg, 362 pp.
5. FEBEX 1997. Preoperational Thermo-Hydro-Mechanical (THM) Modelling of the 'MOCK-UP' test. FEBEX Report 70-UPC-M-3-002.
6. Gens, A (1995) Constitutive laws. In: Gens, A, Jouanna, P, Schrefler, BA (eds) Modern issues in non-saturated soils. Springer Verlag. Wien. 129-158.
7. Lloret, A, Villar, MV, Sánchez, M, Gens, A, Pintado, X & Alonso, EE (2003) Mechanical behaviour of heavily compacted bentonite under high suction changes. Géotechnique 53(1): 27-40. (Pubitemid 36290477)
8. Martín Barca, M (2002) Procesos geoquímicos y modificaciones texturales en bentonita FEBEX compactada sometida a un gradiente termohidráulico. Ph. D. Thesis. Universidad Autónoma de Madrid, 293 pp. (In Spanish).
9. Olivella, S, Carrera, J, Gens, A & Alonso, EE (1994) Nonisothermal Multiphase Flow of Brine and Gas Through Saline Media. Transport in Porous Media 15: 271-293. (Pubitemid 291035)
10. Olivella, S, Gens, A, Carrera, J & Alonso EE (1996) Numerical formulation for a simulator (CODE-BRIGHT) for the coupled analysis of saline media. Engineering Computations 13: 87-112.
11. Sanchez, M (2003) Thermo-Hydro-Mechanical coupled analysis in low permeability media. PhD Thesis, Universitat Politècnica de Catalunya, Spain.
12. Sanchez, M & Gens, A (2002) Second report on THM modelling results. FEBEX II. UPC Geomechanical Group. ENRESA Report: 70-UPC-L-5-011.
13. van Genuchten, R (1978) Calculating the unsaturated hydraulic permeability conductivity with a new closedform analytical mode. Water Resource Research 37(11): 21-28.
14. Villar, MV (2001) Modification of physical, mechanical and hydraulic properties of bentonite by thermo-hydraulic gradients. Proceedings 6th International Workshop Key Issues in Waste Isolation Research. Paris, 28-30 November 2001. pp 3-18.
15. Villar, MV (2002) Thermo-hydro-mechanical characterisation of a bentonite from Cabo de Gata. A study applied to the use of bentonite as sealing material in high level radioactive waste repositories. Publicacion Técnica ENRESA 01/2002. Madrid. 258 pp.