Mass transport through defected bentonite plugs

Applied Clay Science

Volumn 11, Issue 2-4, 1996, Pages 127-142

  Oscarson, D W ^a   Dixon, D A ^a   Hume, H B ^a  

^a ATOMIC ENERGY OF CANADA LIMITED   (Canada)

Author keywords

Compacted bentonite; Cracking; Diffusivity; Heating; Permeability; Waste management

Indexed keywords

CRACK INITIATION; DENSITY (SPECIFIC GRAVITY); DIFFUSION IN SOLIDS; HEAT TREATMENT; HYDRAULIC CONDUCTIVITY; MASS TRANSFER; MECHANICAL PERMEABILITY; MOISTURE;

COMPACTED BENTONITE;

BENTONITE;

BENTONITE; CLAY LINER; COMPACTED CLAY BARRIER; DIFFUSIVITY; MASS TRANSPORT; PERMEABILITY;

EID: 0030404395     PISSN: 01691317     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0169-1317(96)00021-X     Document Type: Article

References (26)

1. Cheung, S.C.H., Gray, M.N. and Dixon, D.A., 1987. Hydraulic and ionic diffusion properties of bentonite-sand buffer materials. In: C.F. Tsang (Editor), Coupled Processes Associated with Nuclear Waste Repositories, Vol. 30. Academic, Orlando, FL, pp. 393-407.
2. Cho, W.J., Oscarson, D.W., Gray, M.N. and Cheung, S.C.H., 1993a. Influence of diffusant concentration on diffusion coefficients in clay. Radiochim. Acta, 60: 159-163.
3. Cho, W.J., Oscarson, D.W. and Hahn, P.S., 1993b. The measurement of apparent diffusion coefficients in compacted clays: An assessment of methods. Appl. Clay Sci., 8: 283-294.
4. Cho, W.J., Lee, J.O., Hahn, P.S. and Park, H.H. 1995. Hydraulic and diffusive properties of clay-based backfill material for a low-and intermediate-level waste repository. In: T. Murakami and R.C. Ewing (Editors), Materials Research Society Symp. Proc. Vol. 18, pp. 299-306.
5. Choi, J.-W. and Lee, B.H., 1991. Radionuclide diffusion in compacted domestic bentonite. Pangsason Pango Hakhoechi, 16: 27-29.
6. Couture, R.A., 1985. Rapid increases in permeability and porosity of bentonite-sand mixtures due to alteration by water vapor. In: C.M. Jantzen, J.A. Stone and R.C. Ewing (Editors), Materials Research Society Symp. Proc., Vol. 8, pp. 515-522.
7. Crank, J., 1975. The Mathematics of Diffusion. Clarendon, Oxford, 2nd ed.
8. Dixon, D.A. 1995. Towards an understanding of water structure and water movement through dense clays. Ph.D. Thesis, Univ. Manitoba, Winnipeg.
9. Dixon, D.A., Wan, A.W.-L., Graham, J. and Campbell, S.L., 1993. Assessment of self-sealing and self-healing abilities of dense, high-bentonite-content sealing materials. In: Proc. Joint CSCE-ASCE Natl. Conf. Environmental Engineering, Montreal, pp. 737-746.
10. Frape, S.K., Fritz, P. and McNutt, R.H., 1984. Water-rock interaction and chemistry of groundwaters from the Canadian Shield. Geochim. Cosmochim. Acta, 48: 1617-1627.
11. Gillham, R.W., Robin, M.J.L., Dytynyshyn, D.J. and Johnston, H.M., 1984. Diffusion of nonreactive and reactive solutes through fine-grained barrier materials. Can. Geotechn. J., 21: 541-550.
12. Gillham, R.W. and Cherry, J.A. 1982. Contaminant migration in saturated unconsolidated geologic deposits. In: T.N. Narasimhan (Editor), Recent Trends in Hydrogeology, GSA Special Paper 189. Geol. Soc. Am., Boulder, CO, pp. 31-62.
13. Gray, M.N., Cheung, S.C.H. and Dixon, D.A., 1984. The influence of sand content on swelling pressures and structure developed by statically compacted Na-bentonite. AECL Rep., AECL-7825. AECL, Chalk River.
14. Hume, H.B., 1993. Procedures and apparatus for measuring diffusion and distribution coefficients in compacted clays. AECL Rep., AECL-10981, COG-93-447. AECL, Chalk River.
15. Johnson, L.H., LeNeveu, D.M., Shoesmith, D.W., Oscarson, D.W., Gray, M.N., Lemire, R.J. and Garisto, N.C., 1994. The disposal of Canada's nuclear fuel waste: the vault model for postclosure assessment. AECL Rep., AECL-10714, COG-93-4. AECL, Chalk River.
16. Kemper, W.D., Maasland, D.E.L. and Porter, L.K., 1964. Mobility of water adjacent to mineral surfaces. Soil Sci. Soc. Am. Proc., 28: 164-167.
17. Kjartanson, B.H., Chandler, N.A. and Wan, A.W.-L., 1996. In situ performance of a clay-based barrier. In: K. Fuenkajorn and J.J.K. Daemen (Editors). Sealing of Boreholes and Underground Excavations in Rock. Chapman and Hall, in press.
18. Miyahara, K., Ashida, T., Kohara, Y., Yusa, Y. and Sasaki, N., 1991. Effect of bulk density on diffusion of cesium in compacted sodium bentonite. Radiochim. Acta, 52-53: 293-297.
19. Oscarson, D.W., 1994. Surface diffusion: Is it an important transport mechanism in compacted clays? Clays Clay Miner., 42: 534-543.
20. Oscarson, D.W. and Dixon, D.A., 1990. Effect of heating unsaturated bentonite on the swelling and hydraulic properties of subsequently saturated clay. In: Proc. Ann. Conf. 1st Biennial Environmental Specialty Conference of the Canadian Society of Civil Engineering, Hamilton, Vol. II-1, Construction, pp. 312-322.
21. Oscarson, D.W. and Dixon, D.A., 1989a. The effect of steam on montmorillonite. Appl. Clay Sci., 4: 279-292.
22. Oscarson, D.W. and Dixon, D.A., 1989b. Elemental, mineralogical and pore-solution composition of selected Canadian clays. AECL Rep., AECL-9891. AECL, Chalk River.
23. Oscarson, D.W., Dixon, D.A. and Gray, M.N., 1990. Swelling capacity and permeability of an unprocessed and a processed bentonitic clay. Eng. Geol., 28: 281-289.
24. Oscarson, D.W., Hume, H.B., Sawatsky, N.G. and Cheung, S.C.H., 1992. Diffusion of iodide in compacted bentonite. Soil Sci. Soc. Am. J., 56: 1400-1406.
25. Rowe, R.K., 1987. Pollutant transport through barriers. In: R.D. Woods (Editor), Geotechnical Practice for Waste Disposal, Spec. Publ. No. 13, ASCE, pp. 159-181.
26. Simmons, G.R. and Baumgartner, P., 1994. The disposal of Canada's nuclear fuel waste: engineering for a disposal facility. AECL Rep., AECL-10715, COG-93-5, AECL, Chalk River.