Experiment and validation of numerical simulation of coupled thermal, hydraulic and mechanical behaviour in the engineered buffer materials

International Journal for Numerical and Analytical Methods in Geomechanics

Volumn 24, Issue 4, 2000, Pages 403-424

  Chijimatsu, Masakazu ^a   Fujita, Tomoo ^a   Kobayashi, Akira ^b   Nakano, Masashi ^c  

^a Japan Nuclear Cycle Development Institute   (Japan)

^b IWATE UNIVERSITY   (Japan)

^c KOBE UNIVERSITY   (Japan)

Author keywords

Bentonite buffer material; Coupled problem; High level radioactive waste disposal; Large scale experiment; Numerical simulation

Indexed keywords

CLAY; CONTAINMENT BARRIER; NUMERICAL MODEL; RADIOACTIVE WASTE; THERMOHYDROMECHANICS; WASTE DISPOSAL;

EID: 0034630230     PISSN: 03639061     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1096-9853(20000410)24:4<403::AID-NAG73>3.0.CO;2-E     Document Type: Article

References (23)

1. Oyama A. Nuclear fuel cycle policy in Japan. The 3rd International Conference on Nuclear Fuel Reprocessing and Waste Management, RECOD'91, Sendai, 1991; 14-18.
2. Power reactor and Nuclear Fuel Development Corporation. Research and Development on Geological Disposal of high level Radioactive Waste, First Progress Report. PNC TA1410 93-012. Power reactor and Nuclear Fuel Development Corporation, 1992.
3. Push R, Nilsson J, Ramqvist. Final Report of the Buffer Mass Test - Vol. 1: scope, preparative field work, and test arrangement. STRIPA PROJECT TR85-11, SKB, 1985.
4. Stephansson O, Jing L, Tsang CF. Coupled thermo-hydro-mechanical processes of fractured media, Mathematical and experimental studies. Developments in Geotechnical Engineering 79, Elsevier: Amsterdam, 1996.
5. Thomas HR, Alonso EE, Gens A. Modelling thermo/hydraulic/mechanical processes in the containment of nuclear waste. In Unsaturated Solid, Alonso EE, Delage P. (eds). A. A. Balkema, 1995; 1135-1141.
6. Noorishad J, Tsang CF, Witherspoon PA. Coupled thermal-hydraulic-mechanical phenomena in saturated fractured porous rocks: numerical approach. Journal of Geophysical Research 1984; 89(B12):10365-10373.
7. Thomas HR, He Y, Ramesh A, Zhou Z, Villar VM, Cuevas J. Heating unsaturated clay - an experimental and numerical investigation. In Numerical Methods in Geotechnical Engineering, Smith IM (ed.), A. A. Balkema, 1994; 181-186.
8. Selvadurai ASP. Thermal performance of a buffer material developed for use in a nuclear waste disposal vault borehall - I. Experimental modelling. Department of Civil Engineering, Carlenton University, 1988.
9. Sato S, Kobayashi A, Hara K, Ishikawa H, Sasaki N. Full scale test on coupled thermo-hydro-mechanical process in engineered barrier system. Proceedings of'91 Joint International Waste Management Conference, vol. 2. ASME: Seoul, 1991; 237-242.
10. Isikawa H, Amemiya K, Yusa Y, Sasaki N. Comparison of fundamental properties of Japanese bentonite as buffer material for waste disposal. Proceedings of the 9th International Clay Conference, Strasbourg, 1998; 107-115.
11. Ohnisi Y, Shibata H, Kobayasi A. Development of finite element code for the analysis of coupled thermo-hydromechanical behaviors of saturated-unsaturated medium. Proceedings of International Symposium on Coupled Processes Affecting the Performance of a Nuclear Waste Repository, Berkeley, 1985; 263-268.
12. Philip JR, de Vries DA. Moisture movement in porous materials under temperature gradients. American Geophysical Union Transactions 1957; 38(2):222-232.
13. de Vries DA, Afgan NH. Heat transfer in soils. In Heat and Mass Transfer in the Biosphere, Advances in Thermal Engineering, vol. 3. Wiley: New York, 1975.
14. Nakano M, Amemiya Y, Fujii K. Saturated and unsaturated hydraulic conductivity of swelling clays. Soil Science 1986; 141:1-6.
15. Börgesson L. Water flow and swelling pressure in non-saturated bentonite clay barriers. Engineering Geology 1985; 21:229-237.
16. Kanno T, Wakamatsu H. Water uptake and swelling properties of unsaturated bentonite buffer materials. Canadian Geotechnical Journal 1992;29(6):1102-1107.
17. Takeuchi S, Hara K, Nakano M. Water retention curve, water diffusivity and water movement of compacted bentonite. Soil and Foundations 1995; 35(3):129-137 (in Japanese).
18. Decagon Device Inc., SC-10A Thermocouple Psychrometer Sample Changer Operator's Manual.
19. Wan AWL, Gray MN, Graham J. On the relations of suction, moisture content, and soil structure in compacted clays. In Unsaturated Soils, Alonso EE, Delage P. (eds). A. A. Balkema, 1995; 215-222.
20. Nakano M, Amemiya Y, Fujii K, Ishida T, Ishii Y. Infiltration and expansive pressure in the confined unsaturated clay. Transactions of Japanese Society of Irrigation Recalm., 1984; 112:55-66 (in Japanese).
21. Suzuki H, Fujita T, Kanno T. Water potential and water diffusivity of buffer material. PNC TN8410 96-117, Power Reactor and Nuclear Fuel Development Corporation, 1996 (in Japanese).
22. van Genuchten MTh. A closed-form equation for predicting the hydraulic conductivity of unsaturated soil. Soil Science of America Journal 1980; 44(5):892-898.
23. Börgesson L, Hernelind J. Decovalex test case 3 - calculation of the Big-Ben experiment-, coupled modelling of the thermal, mechanical and hydraulic behavior of water-unsaturated buffer material in a simulated deposition hole. SKB ARBETSRAPPORT 94-49, 1994.