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Volume 33 Issue 5
Sep 2019
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Chinese Journal of High Pressure Physics  > 2019  >  33(5): 055101.
DAI Xianghui, ZHOU Gang, SHEN Zikai, LI Pengjie, CHU Zhe, WANG Kehui, DUAN Jian, HU Yutao, YANG Hui. Experimental Study of High-Speed Projectile Penetration/Perforation into Reinforced Concrete Targets[J]. Chinese Journal of High Pressure Physics, 2019, 33(5): 055101. doi: 10.11858/gywlxb.20180672
Citation: DAI Xianghui, ZHOU Gang, SHEN Zikai, LI Pengjie, CHU Zhe, WANG Kehui, DUAN Jian, HU Yutao, YANG Hui. Experimental Study of High-Speed Projectile Penetration/Perforation into Reinforced Concrete Targets[J]. Chinese Journal of High Pressure Physics, 2019, 33(5): 055101. doi: 10.11858/gywlxb.20180672
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Experimental Study of High-Speed Projectile Penetration/Perforation into Reinforced Concrete Targets

doi: 10.11858/gywlxb.20180672

  • Laboratory of Intense Dynamic Loading and Effect, Northwest Institute of Nuclear Technology, Xi’an 710024, China

  • Received Date: 29 Oct 2018
  • Rev Recd Date: 21 Dec 2018
  • Issue Publish Date: 25 Jun 2019
    Abstract
  • The penetration/perforation effects of high-speed ogive-nosed projectiles on reinforced concrete (RC) targets were experimentally investigated. The projectiles with a mass of approximately 10 kg were launched by a 100 mm power gun to striking velocities between 820 and 1195 m/s and impacted on the RC targets with the unconfined cylinder compressive strength from 31.0 MPa to 43.6 MPa. The end-point trajectory data of projectiles penetrating/perforating into RC targets are obtained. The penetration/perforation depths and deformations of high-speed projectiles, free surface effects of RC targets were analyzed. The results show that the penetration/perforation depths of high-speed projectiles ranges from 2.2 m to 2.8 m. The predicted penetration/perforation depths by some empirical formulas were in good agreement with the experimental data. Furthermore, those targets with smaller relative surface size and the projectile with higher velocity, the free surface effects were more significant. In addition, the projectile behaves from rigid to semi-fluid mechanism when the striking velocity reaches to 1195 m/s.

     

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