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논문 기본 정보

자료유형
학술저널
저자정보
Xiuqing Wang (School of Civil Engineering, Guangzhou University) Dayang Wang (School of Civil Engineering, Guangzhou University) Yongshan Zhang (School of Civil Engineering, Guangzhou University) Chenqing Wu (School of Civil Engineering, Guangzhou University)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제5호
발행연도
2021.5
수록면
1,686 - 1,704 (19page)
DOI
https://doi.org/10.1016/j.net.2020.11.018

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초록· 키워드

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This study addresses the numerical simulation of the shield building of an AP1000 nuclear power plant(NPP) subjected to a large commercial aircraft impact. First, a simplified finite element model (F.E. model)of the large commercial Boeing 737 MAX 8 aircraft is established. The F.E. model of the AP1000 shieldbuilding is constructed, which is a reasonably simplified reinforced concrete structure. The effectivenessof both F.E. models is verified by the classical Riera method and the impact test of a 1/7.5 scaled GE-J79engine model. Then, based on the verified F.E. models, the entire impact process of the aircraft on theshield building is simulated by the missile-target interaction method (coupled method) and by theANSYS/LS-DYNA software, which is at different initial impact velocities and impact heights. Finally, thelaws and characteristics of the aircraft impact force, residual velocity, kinetic energy, concrete damage,axial reinforcement stress, and perforated size are analyzed in detail. The results show that all of themincrease with the addition to the initial impact velocity. The first four are not very sensitive to the impactheight. The engine impact mainly contributes to the peak impact force, and the peak impact force is sixtimes higher than that in the first stage. With increasing initial impact velocity, the maximum aircraftimpact force rises linearly. The range of the tension and pressure of the reinforcement axial stresschanges with the impact height. The perforated size increases with increasing impact height. The radialperforation area is almost insensitive to the initial impact velocity and impact height. The research of thisstudy can provide help for engineers in designing AP1000 shield buildings

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