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자료유형
학술저널
저자정보
저널정보
국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.53 No.1
발행연도
2015.1
수록면
73 - 87 (15page)

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In case of aircraft impact on nuclear containment structures, the initial kinetic energy of theaircraft is transferred and absorbed by the outer containment, may causing either complete or partial failureof containment structure. In the present study safety analysis of BWR Mark III type containment has beenperformed. The total height of containment is 67 m. It has a circular wall with monolithic dome of 21mdiameter. Crash analysis has been performed for fighter jet Phantom F4. A normal hit at the crown ofcontainment dome has been considered. Numerical simulations have been carried out using finite elementcode ABAQUS/Explicit. Concrete Damage Plasticity model have been incorporated to simulate thebehaviour of concrete at high strain rate, while Johnson-Cook elasto-visco model of ductile metals havebeen used for steel reinforcement. Maximum deformation in the containment building has reported as 33.35mm against crash of Phantom F4. Deformations in concrete and reinforcements have been localised to theimpact region. Moreover, no significant global damage has been observed in structure. It may be concludedfrom the present study that at higher velocity of aircraft perforation of the structure may happen.

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