Determining the unsaturated hydraulic conductivity of a compacted sand-bentonite mixture under constant-volume and free-swell conditions

Physics and Chemistry of the Earth

Volumn 33, Issue SUPPL. 1, 2008, Pages

  Cui, Y J ^a   Tang, A M ^a   Loiseau, C ^a   Delage, P ^a  

^a UNIVERSITÉ PARIS EST   (France)

Author keywords

Compacted sand bentonite mixture; Constant volume; Free swell; Infiltration; Instantaneous profile method; Unsaturated hydraulic conductivity

Indexed keywords

ATMOSPHERIC HUMIDITY; BENTONITE; ELASTIC MODULI; HUMIDITY CONTROL; HYDRAULIC CONDUCTIVITY; HYDRAULICS; INDUSTRIAL WASTE TREATMENT; INFILTRATION; MIXTURES; POWDERS; RADIOACTIVE WASTE DISPOSAL; RADIOACTIVE WASTES; SEEPAGE; SOIL MECHANICS; WASTE DISPOSAL;

COMPACTED SAND/BENTONITE MIXTURE; CONSTANT-VOLUME; FREE-SWELL; INSTANTANEOUS PROFILE METHOD; UNSATURATED HYDRAULIC CONDUCTIVITY;

FREE VOLUME;

BENTONITE; HYDRAULIC CONDUCTIVITY; INFILTRATION; MICROSTRUCTURE; RADIOACTIVE WASTE; RELATIVE HUMIDITY; WASTE DISPOSAL;

EID: 56149107347     PISSN: 14747065     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pce.2008.10.017     Document Type: Article

References (25)

1. Benson, C.H., Gribb, M.M., 1997. Measuring unsaturated hydraulic conductivity in the laboratory and field. In: Unsaturated Soil Engineering Practice, New York, ASCE, 0-7844-0259-0, Geotechnical Special Publication No. 68, pp. 113-168, 344.
2. Blatz J., and Graham J. A system for controlled suction in triaxial tests. Géotechnique 50 4 (2000) 465-469
3. Börgesson L., Chijimatsu M., Fujita T., Nguyen T.S., Rutqvist J., and Jing L. Thermo-hydro-mechanical characterisation of bentonite-base buffer material by laboratory tests and numerical back analyses. International Journal of Rock Mechanics & Mining Sciences 38 (2001) 95-104
4. Chiu T.-F., and Shackelford C.D. Unsaturated hydraulic conductivity of compacted sand-kaolin mixtures. Journal of Geotechnical and Geoenvironmental Engineering 124 2 (1998) 160-170
5. Cho W.J., Lee J.O., and Chun K.S. The temperature effects on hydraulic conductivity of compacted bentonite. Applied Clay Science 14 1 (1999) 47-58
6. Cui Y.J., Loiseau C., and Delage P. Microstructure changes of a confined swelling soil due to suction controlled hydration. In: Jucá J.F.T., de Campos T.M.P., and Marinho F.A.M. (Eds). Unsaturated Soils. Proceedings of the 3rd International Conference on Unsaturated Soils (UNSAT 2002), Recife, Brazil vol. 2 (2002), Swets & Zeitlinger, Lisse 593-598
7. Daniel D.E. Measurement of hydraulic conductivity of unsaturated soils with thermocouple psychrometers. Soil Science Society of America Journal 20 6 (1982) 1125-1129
8. Dixon D.A., Gray M.N., and Hnatiw D. Critical gradients and pressures in dense swelling clays. Canadian Geotechnical Journal 29 6 (1992) 1113-1119
9. Dixon D.A., Graham J., and Gray M.N. Hydraulic conductivity of clays in confined tests under low hydraulic gradients. Canadian Geotechnical Journal 36 5 (1999) 815-825
10. Dixon D.A., Martino J.B., Vignal B., Masumoto K., and Fijita T. Overview of the evolution, performance and state of a bentonite-based tunnel seal after 5 years of operation. Physics and Chemistry of the Earth 32 8-14 (2007) 741-752
11. Haug M.D., and Wong L.C. Impact of molding water content on hydraulic conductivity of compacted sand-bentonite. Canadian Geotechnical Journal 29 2 (1992) 253-262
12. Hoffmann C., Alonso E.E., and Romero E. Hydro-mechanical behaviour of bentonite pellet mixtures. Physics and Chemistry of the Earth 32 8-14 (2007) 832-849
13. Kenney T.C., van Veen W.A., Swallow M.A., and Sungaila M.A. Hydraulic conductivity of compacted bentonite-sand mixtures. Canadian Geotechnical Journal 29 3 (1992) 364-374
14. Komine H. Simplified evaluation on hydraulic conductivities of sand-bentonite mixture backfill. Applied Clay Science 26 1-4 (2004) 13-19
15. Kröhn K.-P. Results and interpretation of bentonite resaturation experiments with liquid water and water vapour. In: Schanz T. (Ed). Proceedings of the International Conference from Experimental Evidence towards Numerical Modeling of Unsaturated Soils, Weimar, Germany vol. 1 (2003), Springer, Berlin 257-272
16. Kröhn K.-P. New conceptual models for the resaturation of bentonite. Applied Clay Science 23 1-4 (2003) 25-33
17. Lemaire T., Moyne C., and Stemmelen D. Imbibition test in clay powder (MX-80 bentonite). Applied Clay Science 26 1-4 (2004) 235-248
18. Lloret A., and Villar M.V. Advances on the knowledge of the thermo-hydro-mechanical behaviour of heavily compacted "FEBEX" bentonite. Physics and Chemistry of the Earth 32 8-14 (2007) 701-715
19. Loiseau C., Cui Y.J., and Delage P. The gradient effect on the water flow through a compacted swelling soil. In: Jucá J.F.T., de Campos T.M.P., and Marinho F.A.M. (Eds). Unsaturated Soils. Proceedings of the 3rd International Conference on Unsaturated Soils (UNSAT 2002), Recife, Brazil vol. 1 (2002), Swets & Zeitlinger, Lisse 395-400
20. Martino J.B., Dixon D.A., Kozak E.T., Gascoyne M., Vignal B., Sugita Y., Fujita T., and Masumoto K. The tunnel sealing experiment: an international study of full-scale seals. Physics and Chemistry of the Earth 32 1-7 (2007) 93-107
21. Pusch R. Mineral-water interactions and their influence on the physical behaviour of highly compacted Na bentonite. Canadian Geotechnical Journal 19 (1982) 381-387
22. Villar M.V., and Lloret A. Influence of temperature on the hydro-mechanical behaviour of a compacted bentonite. Applied Clay Science 26 1-4 (2004) 337-350
23. Yahia-Aissa M., Delage P, Cui Y.J., 2001. Sucion - water relationship in swelling clays. In: Clay Science for Engineering, Proceedings of the Shizuoka International Symposium, Balkema, pp. 65-68.
24. Yong R.N., and Mohamed A.M. A study of particle interaction energies in wetting of unsaturated expansive clays. Canadian Geotechnical Journal 29 6 (1992) 1060-1070
25. Zou Y. A non-linear permeability relation depending on the activation energy of pore liquid. Géotechnique 46 4 (1996) 769-774