The cask-canister system is a coaxial circular cylindrical structure in which several spent fuels are installed. This system is a free-standing structure thus, it is very important to reduce sliding motion for very large seismic excitations. In this study, we propose a mitigation method for sliding motion. Water is installed in an annular region between a cask and a canister. The equations of motion are derived taking fluid-structure interaction into consideration for nonlinear sliding motion analyses. Based on these equations, mitigation effects of sliding motions are studied analytically. Furthermore, a fundamental test model of a cask-canister system is fabricated and shaking table tests are conducted. From the analytical and test results, sliding motion mitigation effects are investigated.
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ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management
September 25–29, 2011
Reims, France
Conference Sponsors:
- Nuclear Engineering Division and Environmental Engineering Division
ISBN:
978-0-7918-5498-3
PROCEEDINGS PAPER
Mitigation of Sliding Motion of a Cask-Canister by Fluid-Structure Interaction in an Annular Region Available to Purchase
Tomohiro Ito,
Tomohiro Ito
Osaka Prefecture University, Sakai, Osaka, Japan
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Yoshihiro Fujiwara,
Yoshihiro Fujiwara
Osaka Prefecture University, Sakai, Osaka, Japan
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Atsuhiko Shintani,
Atsuhiko Shintani
Osaka Prefecture University, Sakai, Osaka, Japan
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Chihiro Nakagawa,
Chihiro Nakagawa
Osaka Prefecture University, Sakai, Osaka, Japan
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Kazuhisa Furuta
Kazuhisa Furuta
Osaka Prefecture University, Sakai, Osaka, Japan
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Tomohiro Ito
Osaka Prefecture University, Sakai, Osaka, Japan
Yoshihiro Fujiwara
Osaka Prefecture University, Sakai, Osaka, Japan
Atsuhiko Shintani
Osaka Prefecture University, Sakai, Osaka, Japan
Chihiro Nakagawa
Osaka Prefecture University, Sakai, Osaka, Japan
Kazuhisa Furuta
Osaka Prefecture University, Sakai, Osaka, Japan
Paper No:
ICEM2011-59208, pp. 1151-1157; 7 pages
Published Online:
August 17, 2012
Citation
Ito, T, Fujiwara, Y, Shintani, A, Nakagawa, C, & Furuta, K. "Mitigation of Sliding Motion of a Cask-Canister by Fluid-Structure Interaction in an Annular Region." Proceedings of the ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management. ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management, Parts A and B. Reims, France. September 25–29, 2011. pp. 1151-1157. ASME. https://doi.org/10.1115/ICEM2011-59208
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