Impact load characteristics of aircraft model impacting steel-reinforced concrete

WEN Lijing; ZHANG Chunming; GUO Chao; DUAN Pu; ZHANG Liansheng; DUAN Zhuoping

doi:10.11883/bzycj-2016-0337

Volume 38 Issue 4

May 2018

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Article Navigation > Explosion And Shock Waves > 2018 > 38(4): 811-819

WEN Lijing, ZHANG Chunming, GUO Chao, DUAN Pu, ZHANG Liansheng, DUAN Zhuoping. Impact load characteristics of aircraft model impacting steel-reinforced concrete[J]. Explosion And Shock Waves, 2018, 38(4): 811-819. doi: 10.11883/bzycj-2016-0337

Citation:

WEN Lijing, ZHANG Chunming, GUO Chao, DUAN Pu, ZHANG Liansheng, DUAN Zhuoping. Impact load characteristics of aircraft model impacting steel-reinforced concrete[J]. Explosion And Shock Waves, 2018, 38(4): 811-819. doi: 10.11883/bzycj-2016-0337

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Impact load characteristics of aircraft model impacting steel-reinforced concrete

doi: 10.11883/bzycj-2016-0337

1.
Nuclear and Radiation Safety Center, Ministry of Environmental Protection of the People's Republic of China, Beijing 100082, China
2.
State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China

Received Date: 2016-11-02
Rev Recd Date: 2017-07-21
Publish Date: 2018-07-25

Abstract

Abstract

To investigate the calculation method and the characteristics of the impact load for a large commercial aircraft impacting a nuclear power plant, we developed an integral test measurement system using the experiments of aircraft models impacting a movable steel-reinforced concrete target via a rocket sled loading test platform, and carried out two impact tests on two aircraft models of different sizes. In the two tests, the flying attitude and velocity of the aircraft models and the whole impact process were recorded using a high-speed photography system, and the acceleration and velocity time histories of the target were obtained using an acceleration measurement system and a displacement interferometer system for any reflector (DISAR), respectively. The computed results of the impact loads calculated by the measured acceleration and velocity data, respectively, were found to agree well, verifying the reliability of the measurement system. Moreover, we obtained the acceleration time histories of the aircraft models using the onboard overload storage, and calculated the crushing load of the aircraft model based on the measured data. On the other hand, we also calculated the impact load time histories using the modified Riera equation. Compared the impact load history calculated from the measured acceleration data of the aircraft model with that calculated from the measured acceleration data of the target, the modified Riera model was verified and the coefficient α was determined.
- aircraft model,
- steel-reinforced concrete,
- impact test,
- impact load

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References

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