This paper presents the latest achievements of performance assessment (PA) for high level radioactive waste (HLW) repository in China. The first PA model, taking Beishan granite site as an example, is established with GoldSim and is verified by comparison with Japanese PA model. Then the behaviors of granite repository in Beishan area are simulated. The results from these simulations show that the engineered barrier is the most important part inside the repository, especially its bentonite plays a key role in the retardation of repository after the nuclide is released from the vitrified waste. Five sensitive parameters are identified and two design parameters are optimized. As a result, it has been proved that performance assessment model is a necessary tool to understand the behaviors of repository, to identify sensitive parameters, and to optimize design parameters.
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ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management
October 11–15, 2009
Liverpool, UK
Conference Sponsors:
- Nuclear Engineering Division and Environmental Engineering Division
ISBN:
978-0-7918-4407-6
PROCEEDINGS PAPER
Study on Performance Assessment for HLW Repository in China
Weiming Chen,
Weiming Chen
Beijing Research Institute of Uranium Geology, Beijing, China
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Ju Wang,
Ju Wang
Beijing Research Institute of Uranium Geology, Beijing, China
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Rui Su,
Rui Su
Beijing Research Institute of Uranium Geology, Beijing, China
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Yunfeng Li
Yunfeng Li
Beijing Research Institute of Uranium Geology, Beijing, China
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Weiming Chen
Beijing Research Institute of Uranium Geology, Beijing, China
Ju Wang
Beijing Research Institute of Uranium Geology, Beijing, China
Rui Su
Beijing Research Institute of Uranium Geology, Beijing, China
Yunfeng Li
Beijing Research Institute of Uranium Geology, Beijing, China
Paper No:
ICEM2009-16228, pp. 557-560; 4 pages
Published Online:
December 12, 2010
Citation
Chen, W, Wang, J, Su, R, & Li, Y. "Study on Performance Assessment for HLW Repository in China." Proceedings of the ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management, Volume 1. Liverpool, UK. October 11–15, 2009. pp. 557-560. ASME. https://doi.org/10.1115/ICEM2009-16228
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