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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.3
- 수록면
- 1,041 - 1,048 (8page)
- DOI
- https://doi.org/10.1016/j.net.2020.08.017
이용수
초록· 키워드
오류제보하기
An engineered barrier system (EBS) for the disposal of high-level radioactive waste (HLW) is composed ofa disposal canister with spent fuel, a buffer material, a gap-filling material, and a backfill material. As thebuffer is located in the empty space between the disposal canisters and the surrounding rock mass, itprevents the inflow of groundwater and retards the spill of radionuclides from the disposal canister. Dueto the fact that the buffer gradually becomes saturated over a long time period, it is especially importantto investigate its thermal-hydro-mechanical-chemical (THMC) properties considering variations ofsaturated condition. Therefore, this paper suggests a new method of measuring thermal conductivity andwater suction for single compacted bentonite at various levels of saturation. This paper also highlights aconvenient method of saturating compacted bentonite. The proposed method was verified with a previous method by comparing thermal conductivity and water suction with respect to water content. Therelative error between the thermal conductivity and water suction values obtained through the proposedmethod and the previous method was determined as within 5% for compacted bentonite with a givenwater content
목차
등록된 정보가 없습니다.
참고문헌 (31)
참고문헌 신청
IAEA / 2006 / Geological Disposal of Radioactive Waste. Safety Requirement, IAEA Safety Standards Series
L. Zheng / 2015 / On the impact of temperatures up to 200 ℃ in clay repositories with bentonite engineered barrier systems: a study with coupled thermal, hydrological, chemical, and mechanical modeling / Eng. Geol 197:278~295
M. V. Villar / 2006 / Modification of physical, mechanical and hydraulic properties of bentonite by thermo-hydraulic gradients / Eng. Geol 81:284~297
P. Wersin / 2007 / Performance of the bentonite barrier at temperatures beyond 100 C : a critical review / Phys. Chem. Earth 32:780~788
W. J. Cho / 2019 / Bentonite Barrier Material for Radioactive Waste Disposal
L. Zheng / 2015 / On the impact of temperatures up to 200 ℃ in clay repositories with bentonite engineered barrier systems: a study with coupled thermal, hydrological, chemical, and mechanical modeling / Eng. Geol 197:278~295
M. V. Villar / 2006 / Modification of physical, mechanical and hydraulic properties of bentonite by thermo-hydraulic gradients / Eng. Geol 81:284~297
P. Wersin / 2007 / Performance of the bentonite barrier at temperatures beyond 100 C : a critical review / Phys. Chem. Earth 32:780~788
W. J. Cho / 2019 / Bentonite Barrier Material for Radioactive Waste Disposal
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